{"id":601,"date":"2024-07-04T15:02:32","date_gmt":"2024-07-04T09:32:32","guid":{"rendered":"https:\/\/www.solitaire-overseas.com\/blog\/?p=601"},"modified":"2026-06-30T17:09:12","modified_gmt":"2026-06-30T11:39:12","slug":"weight-formula-of-steel","status":"publish","type":"post","link":"https:\/\/www.solitaire-overseas.com\/blog\/weight-formula-of-steel\/","title":{"rendered":"Weight Formula for Steel: Bars, Plates, Pipes &#038; Beams"},"content":{"rendered":"<div class=\"ttr_start\"><\/div><p><span style=\"font-weight: 400;\">The steel weight calculation is a crucial aspect for any construction, manufacturing, or engineering professional. The accurate weight formula allows you to save money, reduce material waste, and ensure timely delivery for your project, whether you are calculating the weight of TMT bars for an RCC slab or ordering stainless steel pipes for a process plant or steel plates for a fabrication work.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">This guide includes all the important steel weight formulas for bars and rods, plates and sheet metal, pipes, and beams, with step-by-step derivations and worked examples, as well as ready-to-use tables.<\/span><\/p>\n<div class=\"so-calc-wrap\" role=\"region\" aria-label=\"Steel weight calculator\">\n<div class=\"so-calc-wrap\" role=\"region\" aria-label=\"Steel weight calculator\">\n<p><!-- Header --><\/p>\n<div class=\"so-calc-header\">\n<div class=\"so-calc-header-top\">\n<div class=\"so-calc-icon\" aria-hidden=\"true\"><\/div>\n<div>\n<div class=\"so-calc-title\">Steel Weight Calculator<\/div>\n<div class=\"so-calc-subtitle\">Bars \u00b7 Plates \u00b7 Pipes \u00b7 Hollow Sections<\/div>\n<\/div>\n<\/div>\n<p><!-- Tabs --><\/p>\n<div class=\"so-tab-bar\" role=\"tablist\" aria-label=\"Calculator type\"><button id=\"so-tab-bars\" class=\"so-tab active\" role=\"tab\" aria-selected=\"true\" aria-controls=\"so-panel-bars\">Round bars<\/button><br \/>\n<button id=\"so-tab-plates\" class=\"so-tab\" role=\"tab\" aria-selected=\"false\" aria-controls=\"so-panel-plates\">Plates &amp; sheets<\/button><br \/>\n<button id=\"so-tab-pipes\" class=\"so-tab\" role=\"tab\" aria-selected=\"false\" aria-controls=\"so-panel-pipes\">Pipes<\/button><br \/>\n<button id=\"so-tab-hollow\" class=\"so-tab\" role=\"tab\" aria-selected=\"false\" aria-controls=\"so-panel-hollow\">Hollow sections<\/button><\/div>\n<\/div>\n<p><!-- \u2500\u2500 PANEL: ROUND BARS \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500 --><\/p>\n<div id=\"so-panel-bars\" class=\"so-panel active\" role=\"tabpanel\" aria-labelledby=\"so-tab-bars\">\n<p class=\"so-section-label\">Inputs<\/p>\n<div class=\"so-field-grid\">\n<div class=\"so-field\"><label for=\"so-bar-d\">Diameter<\/label><br \/>\n<input id=\"so-bar-d\" max=\"500\" min=\"1\" step=\"1\" type=\"number\" value=\"20\" aria-describedby=\"so-bar-d-unit\" \/><br \/>\n<span id=\"so-bar-d-unit\" class=\"so-unit\">mm<\/span><\/div>\n<div class=\"so-field\"><label for=\"so-bar-l\">Length<\/label><br \/>\n<input id=\"so-bar-l\" min=\"0.01\" step=\"0.1\" type=\"number\" value=\"6\" \/><br \/>\n<span class=\"so-unit\">metres<\/span><\/div>\n<div class=\"so-field\"><label for=\"so-bar-qty\">Quantity<\/label><br \/>\n<input id=\"so-bar-qty\" min=\"1\" step=\"1\" type=\"number\" value=\"1\" \/><br \/>\n<span class=\"so-unit\">pcs<\/span><\/div>\n<div class=\"so-field\"><label for=\"so-bar-rho\">Steel grade \/ density<\/label><br \/>\n<select id=\"so-bar-rho\" onchange=\"soCalcBar()\"><option value=\"7850\">Mild \/ Carbon steel \u2014 7,850<\/option><option value=\"7930\">SS 304 \/ 316 \u2014 7,930<\/option><option value=\"8000\">SS 310 \/ 321 \/ 347 \u2014 8,000<\/option><option value=\"7940\">SS 904L \u2014 7,940<\/option><option value=\"7800\">Duplex 2205 \/ 2507 \u2014 7,800<\/option><option value=\"7900\">Alloy steel P91 \/ P92 \u2014 7,900<\/option><\/select><br \/>\n<span class=\"so-unit\">kg\/m\u00b3<\/span><\/div>\n<\/div>\n<div class=\"so-divider\"><\/div>\n<p class=\"so-section-label\">Results<\/p>\n<div class=\"so-result-grid\">\n<div class=\"so-result-card\">\n<div class=\"so-result-label\">Weight per metre<\/div>\n<div id=\"so-bar-wpm\" class=\"so-result-value\">\u2014<\/div>\n<div class=\"so-result-unit\">kg \/ m<\/div>\n<\/div>\n<div class=\"so-result-card highlight\">\n<div class=\"so-result-label\">Single bar weight<\/div>\n<div id=\"so-bar-wsingle\" class=\"so-result-value\">\u2014<\/div>\n<div class=\"so-result-unit\">kg<\/div>\n<\/div>\n<div class=\"so-result-card\">\n<div class=\"so-result-label\">Total weight<\/div>\n<div id=\"so-bar-wtotal\" class=\"so-result-value\">\u2014<\/div>\n<div class=\"so-result-unit\">kg<\/div>\n<\/div>\n<div class=\"so-result-card\">\n<div class=\"so-result-label\">Total (tonnes)<\/div>\n<div id=\"so-bar-wt\" class=\"so-result-value\">\u2014<\/div>\n<div class=\"so-result-unit\">t<\/div>\n<\/div>\n<\/div>\n<div class=\"so-formula-note\"><strong>Formula:<\/strong> W (kg\/m) = (\u03c0\/4) \u00d7 (D\/1000)\u00b2 \u00d7 density \u00a0|<br \/>\nSimplified for mild steel: W = D\u00b2 \/ 162.28 \u00a0|<br \/>\nD = diameter in mm, density = 7,850 kg\/m\u00b3 for mild steel<\/div>\n<\/div>\n<p><!-- \u2500\u2500 PANEL: PLATES & SHEETS \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500 --><\/p>\n<div id=\"so-panel-plates\" class=\"so-panel\" role=\"tabpanel\" aria-labelledby=\"so-tab-plates\">\n<p class=\"so-section-label\">Inputs<\/p>\n<div class=\"so-field-grid\">\n<div class=\"so-field\"><label for=\"so-pl-l\">Length<\/label><br \/>\n<input id=\"so-pl-l\" min=\"1\" step=\"1\" type=\"number\" value=\"2000\" \/><br \/>\n<span class=\"so-unit\">mm<\/span><\/div>\n<div class=\"so-field\"><label for=\"so-pl-w\">Width<\/label><br \/>\n<input id=\"so-pl-w\" min=\"1\" step=\"1\" type=\"number\" value=\"1000\" \/><br \/>\n<span class=\"so-unit\">mm<\/span><\/div>\n<div class=\"so-field\"><label for=\"so-pl-t\">Thickness<\/label><br \/>\n<input id=\"so-pl-t\" min=\"0.1\" step=\"0.1\" type=\"number\" value=\"10\" \/><br \/>\n<span class=\"so-unit\">mm<\/span><\/div>\n<div class=\"so-field\"><label for=\"so-pl-qty\">Quantity<\/label><br \/>\n<input id=\"so-pl-qty\" min=\"1\" step=\"1\" type=\"number\" value=\"1\" \/><br \/>\n<span class=\"so-unit\">pcs<\/span><\/div>\n<div class=\"so-field\"><label for=\"so-pl-rho\">Steel grade \/ density<\/label><br \/>\n<select id=\"so-pl-rho\" onchange=\"soCalcPlate()\"><option value=\"7850\">Mild \/ Carbon steel \u2014 7,850<\/option><option value=\"7930\">SS 304 \/ 316 \u2014 7,930<\/option><option value=\"8000\">SS 310 \/ 321 \/ 347 \u2014 8,000<\/option><option value=\"7940\">SS 253 MA \/ 904L \u2014 7,940<\/option><option value=\"7800\">Duplex 2205 \/ 2507 \u2014 7,800<\/option><option value=\"7750\">Corten steel \u2014 7,750<\/option><\/select><br \/>\n<span class=\"so-unit\">kg\/m\u00b3<\/span><\/div>\n<\/div>\n<div class=\"so-divider\"><\/div>\n<p class=\"so-section-label\">Results<\/p>\n<div class=\"so-result-grid\">\n<div class=\"so-result-card highlight\">\n<div class=\"so-result-label\">Single plate weight<\/div>\n<div id=\"so-pl-wsingle\" class=\"so-result-value\">\u2014<\/div>\n<div class=\"so-result-unit\">kg<\/div>\n<\/div>\n<div class=\"so-result-card\">\n<div class=\"so-result-label\">Total weight<\/div>\n<div id=\"so-pl-wtotal\" class=\"so-result-value\">\u2014<\/div>\n<div class=\"so-result-unit\">kg<\/div>\n<\/div>\n<div class=\"so-result-card\">\n<div class=\"so-result-label\">Weight per m\u00b2<\/div>\n<div id=\"so-pl-psm\" class=\"so-result-value\">\u2014<\/div>\n<div class=\"so-result-unit\">kg \/ m\u00b2<\/div>\n<\/div>\n<div class=\"so-result-card\">\n<div class=\"so-result-label\">Total (tonnes)<\/div>\n<div id=\"so-pl-wt\" class=\"so-result-value\">\u2014<\/div>\n<div class=\"so-result-unit\">t<\/div>\n<\/div>\n<\/div>\n<div class=\"so-formula-note\"><strong>Formula:<\/strong> W (kg) = L \u00d7 W \u00d7 T \u00d7 density \u00d7 10\u207b\u2079 \u00a0|<br \/>\nAll dimensions in mm, density in kg\/m\u00b3 \u00a0|<br \/>\nRule of thumb: 1 mm thickness = 7.85 kg\/m\u00b2 for mild steel<\/div>\n<\/div>\n<p><!-- \u2500\u2500 PANEL: PIPES \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500 --><\/p>\n<div id=\"so-panel-pipes\" class=\"so-panel\" role=\"tabpanel\" aria-labelledby=\"so-tab-pipes\">\n<p class=\"so-section-label\">Inputs<\/p>\n<div class=\"so-field-grid\">\n<div class=\"so-field\"><label for=\"so-pi-od\">Outside diameter (OD)<\/label><br \/>\n<input id=\"so-pi-od\" min=\"1\" step=\"0.1\" type=\"number\" value=\"114.3\" \/><br \/>\n<span class=\"so-unit\">mm<\/span><\/div>\n<div class=\"so-field\"><label for=\"so-pi-wt\">Wall thickness<\/label><br \/>\n<input id=\"so-pi-wt\" min=\"0.1\" step=\"0.01\" type=\"number\" value=\"6.02\" \/><br \/>\n<span class=\"so-unit\">mm<\/span><\/div>\n<div class=\"so-field\"><label for=\"so-pi-l\">Length<\/label><br \/>\n<input id=\"so-pi-l\" min=\"0.01\" step=\"0.1\" type=\"number\" value=\"6\" \/><br \/>\n<span class=\"so-unit\">metres<\/span><\/div>\n<div class=\"so-field\"><label for=\"so-pi-qty\">Quantity<\/label><br \/>\n<input id=\"so-pi-qty\" min=\"1\" step=\"1\" type=\"number\" value=\"1\" \/><br \/>\n<span class=\"so-unit\">pcs<\/span><\/div>\n<div class=\"so-field\"><label for=\"so-pi-rho\">Steel grade \/ density<\/label><br \/>\n<select id=\"so-pi-rho\" onchange=\"soCalcPipe()\"><option value=\"7850\">Carbon \/ mild steel \u2014 7,850<\/option><option value=\"7930\">SS 304 \/ 316 \u2014 7,930<\/option><option value=\"8000\">SS 310 \/ 321 \/ 347 \u2014 8,000<\/option><option value=\"7940\">SS 904L \u2014 7,940<\/option><option value=\"7800\">Duplex 2205 \/ 2507 \u2014 7,800<\/option><option value=\"7750\">Corten (ASTM A423) \u2014 7,750<\/option><option value=\"7900\">Alloy steel P91 \/ P92 \u2014 7,900<\/option><\/select><br \/>\n<span class=\"so-unit\">kg\/m\u00b3<\/span><\/div>\n<\/div>\n<div id=\"so-pi-warn\" class=\"so-warning\">Wall thickness must be less than OD \u00f7 2. Please check your inputs.<\/div>\n<div class=\"so-divider\"><\/div>\n<p class=\"so-section-label\">Results<\/p>\n<div class=\"so-result-grid\">\n<div class=\"so-result-card\">\n<div class=\"so-result-label\">Weight per metre<\/div>\n<div id=\"so-pi-wpm\" class=\"so-result-value\">\u2014<\/div>\n<div class=\"so-result-unit\">kg \/ m<\/div>\n<\/div>\n<div class=\"so-result-card highlight\">\n<div class=\"so-result-label\">Single pipe weight<\/div>\n<div id=\"so-pi-wsingle\" class=\"so-result-value\">\u2014<\/div>\n<div class=\"so-result-unit\">kg<\/div>\n<\/div>\n<div class=\"so-result-card\">\n<div class=\"so-result-label\">Total weight<\/div>\n<div id=\"so-pi-wtotal\" class=\"so-result-value\">\u2014<\/div>\n<div class=\"so-result-unit\">kg<\/div>\n<\/div>\n<div class=\"so-result-card\">\n<div class=\"so-result-label\">Inside diameter (ID)<\/div>\n<div id=\"so-pi-id\" class=\"so-result-value\">\u2014<\/div>\n<div class=\"so-result-unit\">mm<\/div>\n<\/div>\n<\/div>\n<div class=\"so-formula-note\"><strong>Formula:<\/strong> W (kg\/m) = 0.02466 \u00d7 (OD \u2212 t) \u00d7 t \u00a0|<br \/>\nOD and t in mm \u00a0|\u00a0 Constant 0.02466 = \u03c0 \u00d7 7,850 \/ 10\u2076 (mild steel) \u00a0|<br \/>\nFor other grades: W = \u03c0 \u00d7 (OD \u2212 t) \u00d7 t \u00d7 density \/ 10\u2076<\/div>\n<\/div>\n<p><!-- \u2500\u2500 PANEL: HOLLOW SECTIONS \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500 --><\/p>\n<div id=\"so-panel-hollow\" class=\"so-panel\" role=\"tabpanel\" aria-labelledby=\"so-tab-hollow\">\n<p class=\"so-section-label\">Section type<\/p>\n<div class=\"so-shape-row\" role=\"group\" aria-label=\"Hollow section shape\"><button class=\"so-shape-btn active\" aria-pressed=\"true\">\u25a0 Square (SHS)<\/button><br \/>\n<button class=\"so-shape-btn\" aria-pressed=\"false\">\u25ac Rectangular (RHS)<\/button><br \/>\n<button class=\"so-shape-btn\" aria-pressed=\"false\">\u25ef Circular (CHS)<\/button><\/div>\n<p class=\"so-section-label\">Inputs<\/p>\n<div class=\"so-field-grid\">\n<div class=\"so-field\"><label id=\"so-h-a-label\" for=\"so-h-a\">Outer side (A)<\/label><br \/>\n<input id=\"so-h-a\" min=\"1\" step=\"1\" type=\"number\" value=\"100\" \/><br \/>\n<span id=\"so-h-a-unit\" class=\"so-unit\">mm<\/span><\/div>\n<div id=\"so-h-b-wrap\" class=\"so-field\" style=\"display: none;\"><label for=\"so-h-b\">Outer side (B)<\/label><br \/>\n<input id=\"so-h-b\" min=\"1\" step=\"1\" type=\"number\" value=\"60\" \/><br \/>\n<span class=\"so-unit\">mm<\/span><\/div>\n<div class=\"so-field\"><label for=\"so-h-t\">Wall thickness<\/label><br \/>\n<input id=\"so-h-t\" min=\"0.1\" step=\"0.1\" type=\"number\" value=\"5\" \/><br \/>\n<span class=\"so-unit\">mm<\/span><\/div>\n<div class=\"so-field\"><label for=\"so-h-l\">Length<\/label><br \/>\n<input id=\"so-h-l\" min=\"0.01\" step=\"0.1\" type=\"number\" value=\"6\" \/><br \/>\n<span class=\"so-unit\">metres<\/span><\/div>\n<div class=\"so-field\"><label for=\"so-h-qty\">Quantity<\/label><br \/>\n<input id=\"so-h-qty\" min=\"1\" step=\"1\" type=\"number\" value=\"1\" \/><br \/>\n<span class=\"so-unit\">pcs<\/span><\/div>\n<div class=\"so-field\"><label for=\"so-h-rho\">Steel grade \/ density<\/label><br \/>\n<select id=\"so-h-rho\" onchange=\"soCalcHollow()\"><option value=\"7850\">Mild \/ Carbon steel \u2014 7,850<\/option><option value=\"7930\">SS 304 \/ 316 \u2014 7,930<\/option><option value=\"8000\">SS 310 \/ 321 \/ 347 \u2014 8,000<\/option><option value=\"7800\">Duplex 2205 \/ 2507 \u2014 7,800<\/option><option value=\"7900\">Alloy steel \u2014 7,900<\/option><\/select><br \/>\n<span class=\"so-unit\">kg\/m\u00b3<\/span><\/div>\n<\/div>\n<div id=\"so-h-warn\" class=\"so-warning\">Wall thickness is too large for the given dimensions. Please check your inputs.<\/div>\n<div class=\"so-divider\"><\/div>\n<p class=\"so-section-label\">Results<\/p>\n<div class=\"so-result-grid\">\n<div class=\"so-result-card\">\n<div class=\"so-result-label\">Weight per metre<\/div>\n<div id=\"so-h-wpm\" class=\"so-result-value\">\u2014<\/div>\n<div class=\"so-result-unit\">kg \/ m<\/div>\n<\/div>\n<div class=\"so-result-card highlight\">\n<div class=\"so-result-label\">Single piece weight<\/div>\n<div id=\"so-h-wsingle\" class=\"so-result-value\">\u2014<\/div>\n<div class=\"so-result-unit\">kg<\/div>\n<\/div>\n<div class=\"so-result-card\">\n<div class=\"so-result-label\">Total weight<\/div>\n<div id=\"so-h-wtotal\" class=\"so-result-value\">\u2014<\/div>\n<div class=\"so-result-unit\">kg<\/div>\n<\/div>\n<div class=\"so-result-card\">\n<div class=\"so-result-label\">Total (tonnes)<\/div>\n<div id=\"so-h-wt\" class=\"so-result-value\">\u2014<\/div>\n<div class=\"so-result-unit\">t<\/div>\n<\/div>\n<\/div>\n<div id=\"so-h-fnote\" class=\"so-formula-note\"><strong>SHS area<\/strong> = A\u00b2 \u2212 (A \u2212 2t)\u00b2 \u00a0|<br \/>\n<strong>RHS area<\/strong> = A\u00d7B \u2212 (A\u22122t)\u00d7(B\u22122t) \u00a0|<br \/>\n<strong>CHS area<\/strong> = \u03c0\/4 \u00d7 [OD\u00b2 \u2212 (OD\u22122t)\u00b2] \u00a0|<br \/>\nWeight (kg\/m) = area (mm\u00b2) \u00d7 density \/ 10\u2076<\/div>\n<\/div>\n<p><!-- CTA Strip --><\/p>\n<div class=\"so-cta-strip\">\n<div class=\"so-cta-text\">Need stainless steel, alloy steel, or duplex steel pipes, plates, or bars?<br \/>\n<strong>Solitaire Overseas<\/strong> \u2014 manufacturer &amp; exporter to 70+ countries.<\/div>\n<p><a class=\"so-cta-link\" href=\"https:\/\/www.solitaireoverseas.com\/stainless-steel-products.php\" target=\"_blank\" rel=\"noopener\"><br \/>\nView Products \u2192<br \/>\n<\/a><\/p>\n<\/div>\n<\/div>\n<p>&nbsp;<\/p>\n<h3><b>1. Steel Unit Weight<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">The unit weight of steel (also called specific weight of steel) is the mass of steel per unit volume. It is the foundation of every steel weight formula. Standard values for mild steel are:<\/span><\/p>\n<table style=\"width: 100%; border-collapse: collapse; font-family: Arial,Helvetica,sans-serif; font-size: 16px; margin: 25px 0; border: 1px solid #b8c5d3;\">\n<thead>\n<tr style=\"background: #2d4675; color: #fff;\">\n<th style=\"padding: 12px 15px; border: 1px solid #2d4675; text-align: left; font-weight: bold;\">Unit System<\/th>\n<th style=\"padding: 12px 15px; border: 1px solid #2d4675; text-align: left; font-weight: bold;\">Unit Weight of Steel<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr style=\"background: #ffffff;\">\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">Kilogram per cubic metre (kg\/m\u00b3)<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">7,850 kg\/m\u00b3<\/td>\n<\/tr>\n<tr style=\"background: #d9e6f2;\">\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">Gram per cubic centimetre (g\/cm\u00b3)<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">7.85 g\/cm\u00b3<\/td>\n<\/tr>\n<tr style=\"background: #ffffff;\">\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">Kilonewton per cubic metre (kN\/m\u00b3)<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">78.5 kN\/m\u00b3<\/td>\n<\/tr>\n<tr style=\"background: #d9e6f2;\">\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">Pound per cubic foot (lb\/ft\u00b3)<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">489.84 lb\/ft\u00b3<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">\u00a0<\/span><\/p>\n<h3><b>2. Steel Types and Their Densities<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Most steel weight formulas use 7,850 kg\/m\u00b3 as standard density \u2013 suitable for mild and carbon steel. However, when working with alloy or stainless steel grades, the actual density can differ. Here is a quick reference:<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00a0<\/span><\/p>\n<table style=\"width: 100%; border-collapse: collapse; font-family: Arial,Helvetica,sans-serif; font-size: 16px; margin: 25px 0; border: 1px solid #b8c5d3;\">\n<thead>\n<tr style=\"background: #2d4675; color: #fff;\">\n<th style=\"padding: 12px 15px; border: 1px solid #2d4675; text-align: left; font-weight: bold;\">Steel Category<\/th>\n<th style=\"padding: 12px 15px; border: 1px solid #2d4675; text-align: left; font-weight: bold;\">Example Grades<\/th>\n<th style=\"padding: 12px 15px; border: 1px solid #2d4675; text-align: left; font-weight: bold;\">Density (kg\/m\u00b3)<\/th>\n<th style=\"padding: 12px 15px; border: 1px solid #2d4675; text-align: left; font-weight: bold;\">Notes<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr style=\"background: #ffffff;\">\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">Mild \/ Carbon Steel<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">IS 2062, IS 1786 Fe 415\/500<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">7,850<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">Standard \u2013 used in all general formulas<\/td>\n<\/tr>\n<tr style=\"background: #d9e6f2;\">\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">Alloy Steel<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">4140, 4340, P91, P92<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">7,750 \u2013 8,050<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">Varies with Cr, Mo, V content<\/td>\n<\/tr>\n<tr style=\"background: #ffffff;\">\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">Austenitic Stainless Steel<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">304, 304L, 316, 316L<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">7,930 \u2013 8,000<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">Slightly higher due to Ni and Cr<\/td>\n<\/tr>\n<tr style=\"background: #d9e6f2;\">\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">Ferritic Stainless Steel<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">409, 430<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">7,750 \u2013 7,850<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">Close to carbon steel<\/td>\n<\/tr>\n<tr style=\"background: #ffffff;\">\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">Duplex Stainless Steel<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">2205, 2507<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">7,800 \u2013 7,850<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">Verify from MTC for precision work<\/td>\n<\/tr>\n<tr style=\"background: #d9e6f2;\">\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">Martensitic Stainless Steel<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">410, 420<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">7,700 \u2013 7,800<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">Lower Ni content reduces density<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">\u00a0<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><b>Pro Tip: <\/b><span style=\"font-weight: 400;\">For general construction work, use 7,850 kg\/m\u00b3. For precision fabrication involving stainless or high-alloy grades, always verify density from the material test certificate (MTC) or the manufacturer\u2019s data sheet.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">\u00a0<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><b>Exploring Steel Grades for Your Project?<\/b><\/p>\n<p><span style=\"font-weight: 400;\">Solitaire Overseas stocks stainless steel, alloy steel, and duplex steel in pipes, bars, plates, fittings, and flanges. Browse our material categories:<\/span><\/p>\n<p><b>\u2192<\/b><a href=\"https:\/\/www.solitaireoverseas.com\/stainless-steel-products.php\"> <b>Stainless Steel Products (SS 304, 316, 321, 347, 904L, 253 MA and more)<\/b><\/a><\/p>\n<p><b>\u2192<\/b><a href=\"http:\/\/www.solitaireoverseas.com\/alloy-steel-products.php\"> <b>Alloy Steel Products (P91, P92, P22, P11, P5 and more)<\/b><\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">\u00a0<\/span><\/p>\n<h3><b>3. Weight Formula for Steel Bars \u2013 D\u00b2\/162<\/b><\/h3>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">The standard formula to calculate the weight of a steel bar per metre is:<br \/>\n<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><b>Weight (kg\/m)\u00a0 =\u00a0 D\u00b2 \u00f7 162<\/b><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><b>Where: <\/b><span style=\"font-weight: 400;\">D = diameter of the steel bar in millimetres (mm)<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00a0<\/span><b>Derivation of the D\u00b2\/162 Formula<\/b><\/p>\n<ul>\n<li><span style=\"font-weight: 400;\">Start with: Weight = Volume \u00d7 Density<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Volume of a cylindrical bar: V = (\u03c0 \u00d7 D\u00b2) \/ 4, with D in mm<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Convert D from mm to m: D\u00b2 (mm\u00b2) \u00f7 1,000,000 = D\u00b2 (m\u00b2)<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Multiply by density of steel (7,850 kg\/m\u00b3):<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Weight per metre = (\u03c0\/4) \u00d7 (D\u00b2\/1,000,000) \u00d7 7,850\u00a0 =\u00a0 D\u00b2\/162.28\u00a0 \u2248\u00a0 D\u00b2\/162 kg\/m<\/span><\/p>\n<p><b>The constant 162 <\/b><span style=\"font-weight: 400;\">absorbs the unit conversion and steel density, giving a fast and accurate result for all mild steel TMT bars conforming to IS 1786.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00a0<\/span><\/p>\n<h3><b>4. Unit Weight of Steel Bars \u2013 6 mm to 50 mm<\/b><\/h3>\n<table style=\"width: 100%; border-collapse: collapse; font-family: Arial,Helvetica,sans-serif; font-size: 16px; margin: 25px 0; border: 1px solid #b8c5d3;\">\n<thead>\n<tr style=\"background: #2d4675; color: #fff;\">\n<th style=\"padding: 12px 15px; border: 1px solid #2d4675; text-align: left; font-weight: bold;\">Diameter (mm)<\/th>\n<th style=\"padding: 12px 15px; border: 1px solid #2d4675; text-align: left; font-weight: bold;\">Weight (kg\/m)<\/th>\n<th style=\"padding: 12px 15px; border: 1px solid #2d4675; text-align: left; font-weight: bold;\">Weight (kg\/ft)<\/th>\n<th style=\"padding: 12px 15px; border: 1px solid #2d4675; text-align: left; font-weight: bold;\">Common Application<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr style=\"background: #ffffff;\">\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">6 mm<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">0.222<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">0.067<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">Stirrups, ring reinforcement<\/td>\n<\/tr>\n<tr style=\"background: #d9e6f2;\">\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">8 mm<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">0.395<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">0.120<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">Stirrups, slab reinforcement<\/td>\n<\/tr>\n<tr style=\"background: #ffffff;\">\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">10 mm<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">0.617<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">0.188<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">Slab bars, distribution bars<\/td>\n<\/tr>\n<tr style=\"background: #d9e6f2;\">\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">12 mm<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">0.888<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">0.270<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">Slab and beam reinforcement<\/td>\n<\/tr>\n<tr style=\"background: #ffffff;\">\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">16 mm<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">1.580<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">0.480<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">Beams and columns (light)<\/td>\n<\/tr>\n<tr style=\"background: #d9e6f2;\">\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">20 mm<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">2.469<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">0.751<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">Beams, columns, footings<\/td>\n<\/tr>\n<tr style=\"background: #ffffff;\">\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">25 mm<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">3.855<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">1.174<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">Heavy columns and footings<\/td>\n<\/tr>\n<tr style=\"background: #d9e6f2;\">\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">32 mm<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">6.316<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">1.925<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">Pile caps, heavy structures<\/td>\n<\/tr>\n<tr style=\"background: #ffffff;\">\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">36 mm<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">7.990<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">2.436<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">Bridge girders, heavy footings<\/td>\n<\/tr>\n<tr style=\"background: #d9e6f2;\">\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">40 mm<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">9.877<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">3.010<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">Heavy industrial structures<\/td>\n<\/tr>\n<tr style=\"background: #ffffff;\">\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">50 mm<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">15.432<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">4.702<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">Shafts, large-diameter bars<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">\u00a0<\/span><i><span style=\"font-weight: 400;\">Formula: Weight (kg\/m) = D\u00b2\/162 | Weight (kg\/ft) = D\u00b2\/533<\/span><\/i><\/p>\n<p><span style=\"font-weight: 400;\">\u00a0<\/span><\/p>\n<h3><b>5. Weight of Steel Plates and Sheet Metal<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Steel plates and sheet metal are used extensively in fabrication, pressure vessels, storage tanks, and shipbuilding. Two versions of the formula are in common use:<\/span><\/p>\n<h3><b>Formula A \u2013 SI Units (mm inputs, result in kg)<\/b><\/h3>\n<p>&nbsp;<\/p>\n<table>\n<tbody>\n<tr>\n<td><b>Weight (kg)\u00a0 =\u00a0 L (mm) \u00d7 W (mm) \u00d7 T (mm) \u00d7 7.85 \u00d7 10\u207b\u2076<\/b><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><b>Worked Example (SI): <\/b><span style=\"font-weight: 400;\">A steel plate 2,000 mm \u00d7 1,000 mm \u00d7 10 mm thick:<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Weight = 2,000 \u00d7 1,000 \u00d7 10 \u00d7 7.85 \u00d7 10\u207b\u2076\u00a0 =\u00a0 157 kg<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00a0<\/span><\/p>\n<h3><b>Formula B \u2013 Imperial Units (inches, result in lbs)<\/b><\/h3>\n<p>&nbsp;<\/p>\n<table>\n<tbody>\n<tr>\n<td><b>Weight (lbs)\u00a0 =\u00a0 L (in) \u00d7 W (in) \u00d7 T (in) \u00d7 0.2836<\/b><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><b>Worked Example (Imperial): <\/b><span style=\"font-weight: 400;\">A 1\/4&#8243; plate measuring 6&#8243; \u00d7 8&#8243;:<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Weight = 6 \u00d7 8 \u00d7 0.25 \u00d7 0.2836\u00a0 =\u00a0 3.40 lbs<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00a0<\/span><\/p>\n<h3><b>Quick Reference: Steel Plate Weight per m\u00b2 by Thickness<\/b><\/h3>\n<table style=\"width: 100%; border-collapse: collapse; font-family: Arial,Helvetica,sans-serif; font-size: 16px; margin: 25px 0; border: 1px solid #b8c5d3;\">\n<thead>\n<tr style=\"background: #2d4675; color: #fff;\">\n<th style=\"padding: 12px 15px; border: 1px solid #2d4675; text-align: left; font-weight: bold;\">Thickness (mm)<\/th>\n<th style=\"padding: 12px 15px; border: 1px solid #2d4675; text-align: left; font-weight: bold;\">Weight per m\u00b2 (kg)<\/th>\n<th style=\"padding: 12px 15px; border: 1px solid #2d4675; text-align: left; font-weight: bold;\">Common Applications<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr style=\"background: #ffffff;\">\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">3 mm<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">23.55<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">Light sheet metal, cladding<\/td>\n<\/tr>\n<tr style=\"background: #d9e6f2;\">\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">5 mm<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">39.25<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">Floor plates, structural gussets<\/td>\n<\/tr>\n<tr style=\"background: #ffffff;\">\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">6 mm<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">47.10<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">General fabrication, brackets<\/td>\n<\/tr>\n<tr style=\"background: #d9e6f2;\">\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">8 mm<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">62.80<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">Pressure vessels, hoppers<\/td>\n<\/tr>\n<tr style=\"background: #ffffff;\">\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">10 mm<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">78.50<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">Heavy fabrication, base plates<\/td>\n<\/tr>\n<tr style=\"background: #d9e6f2;\">\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">12 mm<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">94.20<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">Structural columns, tanks<\/td>\n<\/tr>\n<tr style=\"background: #ffffff;\">\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">16 mm<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">125.60<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">Ship hulls, heavy platforms<\/td>\n<\/tr>\n<tr style=\"background: #d9e6f2;\">\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">20 mm<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">157.00<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">Bridges, heavy structural work<\/td>\n<\/tr>\n<tr style=\"background: #ffffff;\">\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">25 mm<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">196.25<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">Pressure vessels, critical structures<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">\u00a0<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><b>\ud83d\udccb\u00a0 Need Stainless Steel or Corten Steel Plates?<\/b><\/p>\n<p><span style=\"font-weight: 400;\">Solitaire Overseas supplies stainless steel plates and sheets in grades 304, 316, 317L, 321, 347, 904L, 253 MA, and Corten (ASTM A588\/A242) for pressure vessels, fabrication, and structural applications:<\/span><\/p>\n<p><b>\u2192<\/b><a href=\"http:\/\/www.solitaireoverseas.com\/stainless-steel-253-ma-plates-manufacturer-supplier-exporter.php\"> <b>Stainless Steel 253 MA Plates (UNS S30815) \u2013 used in high-temp applications<\/b><\/a><\/p>\n<p><b>\u2192<\/b><a href=\"http:\/\/www.solitaireoverseas.com\/corten-steel-sheet-plate-supplier-exporter.php\"> <b>Corten Steel Sheet and Plate (ASTM A588, A242, A709-50W)<\/b><\/a><\/p>\n<p><b>\u2192<\/b><a href=\"https:\/\/www.solitaireoverseas.com\/stainless-steel-products.php\"> <b>Stainless Steel Products Hub (All SS Grades \u2013 Pipes, Plates, Fittings, Flanges)<\/b><\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">\u00a0<\/span><\/p>\n<h3><b>6. Weight of Steel Pipes<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Steel pipe weight depends on three variables: outside diameter (OD), wall thickness (t), and length. The standard weight formula for steel pipes is:<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><b>Weight (kg\/m)\u00a0 =\u00a0 0.02466 \u00d7 (OD \u2212 t) \u00d7 t<\/b><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><b>Where: <\/b><span style=\"font-weight: 400;\">OD = outside diameter in mm\u00a0 |\u00a0 t = wall thickness in mm<\/span><\/p>\n<p>&nbsp;<\/p>\n<h3><b>Derivation of the Pipe Weight Formula<\/b><\/h3>\n<ul>\n<li><span style=\"font-weight: 400;\">Cross-sectional area of pipe wall: A = \u03c0\/4 \u00d7 [OD\u00b2 \u2212 (OD \u2212 2t)\u00b2]<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Simplify: A = \u03c0 \u00d7 t \u00d7 (OD \u2212 t)<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Weight per metre (OD, t in mm): = \u03c0 \u00d7 t \u00d7 (OD \u2212 t) \/ 1,000,000 \u00d7 7,850 = 0.02466 \u00d7 (OD \u2212 t) \u00d7 t kg\/m<\/span><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3><b>Worked Example<\/b><\/h3>\n<p><b>Pipe: <\/b><span style=\"font-weight: 400;\">OD = 114.3 mm (DN 100 \/ 4&#8243;), Wall = 6.02 mm (Schedule 40)<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Weight = 0.02466 \u00d7 (114.3 \u2212 6.02) \u00d7 6.02\u00a0 =\u00a0 0.02466 \u00d7 108.28 \u00d7 6.02\u00a0 =\u00a0 16.08 kg\/m<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00a0<\/span><\/p>\n<h3><b>Quick Reference: Common Pipe Sizes and Weight (ASME B36.10M)<\/b><\/h3>\n<table style=\"width: 100%; border-collapse: collapse; font-family: Arial,Helvetica,sans-serif; font-size: 16px; margin: 25px 0; border: 1px solid #b8c5d3;\">\n<thead>\n<tr style=\"background: #2d4675; color: #fff;\">\n<th style=\"padding: 12px 15px; border: 1px solid #2d4675; text-align: left; font-weight: bold;\">Nominal Size<\/th>\n<th style=\"padding: 12px 15px; border: 1px solid #2d4675; text-align: left; font-weight: bold;\">OD (mm)<\/th>\n<th style=\"padding: 12px 15px; border: 1px solid #2d4675; text-align: left; font-weight: bold;\">Wall (mm)<\/th>\n<th style=\"padding: 12px 15px; border: 1px solid #2d4675; text-align: left; font-weight: bold;\">Sch.<\/th>\n<th style=\"padding: 12px 15px; border: 1px solid #2d4675; text-align: left; font-weight: bold;\">Weight (kg\/m)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr style=\"background: #ffffff;\">\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">1&#8243; (DN 25)<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">33.40<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">3.38<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">40<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">2.50<\/td>\n<\/tr>\n<tr style=\"background: #d9e6f2;\">\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">1.5&#8243; (DN 40)<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">48.30<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">3.68<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">40<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">4.05<\/td>\n<\/tr>\n<tr style=\"background: #ffffff;\">\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">2&#8243; (DN 50)<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">60.33<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">3.91<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">40<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">5.44<\/td>\n<\/tr>\n<tr style=\"background: #d9e6f2;\">\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">3&#8243; (DN 80)<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">88.90<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">5.49<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">40<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">11.29<\/td>\n<\/tr>\n<tr style=\"background: #ffffff;\">\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">4&#8243; (DN 100)<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">114.30<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">6.02<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">40<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">16.08<\/td>\n<\/tr>\n<tr style=\"background: #d9e6f2;\">\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">6&#8243; (DN 150)<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">168.28<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">7.11<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">40<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">28.26<\/td>\n<\/tr>\n<tr style=\"background: #ffffff;\">\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">8&#8243; (DN 200)<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">219.08<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">8.18<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">40<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">42.55<\/td>\n<\/tr>\n<tr style=\"background: #d9e6f2;\">\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">10&#8243; (DN 250)<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">273.05<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">9.27<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">40<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">60.29<\/td>\n<\/tr>\n<tr style=\"background: #ffffff;\">\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">12&#8243; (DN 300)<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">323.85<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">9.53<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">40<\/td>\n<td style=\"padding: 10px 15px; border: 1px solid #b8c5d3;\">73.88<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">\u00a0<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><b>Looking for Stainless Steel or Alloy Steel Pipes?<\/b><\/p>\n<p><span style=\"font-weight: 400;\">Solitaire Overseas is a leading supplier of seamless and welded stainless steel pipes, alloy steel pipes, and EIL-approved pipes and tubes across multiple grades and schedules. Request a quote today:<\/span><\/p>\n<p><b>\u2192<\/b><a href=\"http:\/\/www.solitaireoverseas.com\/stainless-steel-446-tubes-manufacturer-supplier-exporter.php\"> <b>SS 904L Pipes and Tubes (ASTM B677 \/ B673 \/ B674, Seamless &amp; Welded)<\/b><\/a><\/p>\n<p><b>\u2192<\/b><a href=\"http:\/\/www.solitaireoverseas.com\/eil-approved-fittings-manufacturer-exporter.php\"> <b>EIL Approved Pipes and Tubes (SS, Carbon Steel, Alloy Steel \u2013 Seamless &amp; Welded)<\/b><\/a><\/p>\n<p><b>\u2192<\/b><a href=\"https:\/\/www.solitaireoverseas.com\/alloy-steel-grade-a-234-wp92-pipe-fitting-manufacturer-exporter.php\"> <b>Alloy Steel P92 Pipe Fittings (ASTM A234 WP92 \/ A182 GR.F92)<\/b><\/a><\/p>\n<p><b>\u2192<\/b><a href=\"https:\/\/www.solitaireoverseas.com\/corten-steel-ASTM-A-423-pipe-tube-supplier.php\"> <b>Corten Steel Pipes and Tubes (ASTM A423)<\/b><\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">\u00a0<\/span><\/p>\n<h2><b>7. Weight of Steel Beams and Structures<\/b><\/h2>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">Calculating the weight of structural steel sections \u2014 I-beams, H-beams, channels, and angles \u2014 follows the same core principle: cross-sectional area \u00d7 length \u00d7 steel density. In practice, engineers reference section property tables from IS 808 (Indian Standard), AISC (US), or EN 10034 (European).<\/span><\/p>\n<p>&nbsp;<\/p>\n<h3><b>General Formula<\/b><\/h3>\n<p>&nbsp;<\/p>\n<table>\n<tbody>\n<tr>\n<td><b>Weight (kg)\u00a0 =\u00a0 Section Mass (kg\/m)\u00a0 \u00d7\u00a0 Length (m)<\/b><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">The &#8216;Section Mass&#8217; (self-weight per metre) is listed in IS 808 \/ AISC tables for every standard section designation.<\/span><span style=\"font-weight: 400;\">\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<h3><b>Key Factors That Affect Beam Weight<\/b><\/h3>\n<ul>\n<li><span style=\"font-weight: 400;\"> \u00a0 \u00a0 \u00a0 <\/span><b>Beam profile: <\/b><span style=\"font-weight: 400;\">I-section, H-section, channel (C), angle (L), T-section, and hollow sections all have different cross-sectional areas.<\/span><\/li>\n<li><span style=\"font-weight: 400;\"> \u00a0 \u00a0 \u00a0 <\/span><b>Flange and web dimensions: <\/b><span style=\"font-weight: 400;\">Wider flanges and thicker webs increase section mass.<\/span><\/li>\n<li><span style=\"font-weight: 400;\"> \u00a0 \u00a0 \u00a0 <\/span><b>Length: <\/b><span style=\"font-weight: 400;\">Weight increases linearly with length.<\/span><\/li>\n<li><span style=\"font-weight: 400;\"> \u00a0 \u00a0 \u00a0 <\/span><b>Steel grade and density: <\/b><span style=\"font-weight: 400;\">Grade affects yield strength, not density. All structural mild steel stays at 7,850 kg\/m\u00b3.<\/span><\/li>\n<li><span style=\"font-weight: 400;\"> \u00a0 \u00a0 \u00a0 <\/span><b>Connections and splice plates: <\/b><span style=\"font-weight: 400;\">Add 5\u201315% to theoretical weight as a practical allowance for large structures.<\/span><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3><b>Example: IS MB 300 I-Beam<\/b><\/h3>\n<p><b>Section: <\/b><span style=\"font-weight: 400;\">MB 300 (ISMB 300)\u00a0 |\u00a0 Mass per metre: 44.2 kg\/m (from IS 808)<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span> <b>Length required: <\/b><span style=\"font-weight: 400;\">9 m<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span> <b>Weight = <\/b><span style=\"font-weight: 400;\">44.2 \u00d7 9\u00a0 =\u00a0 397.8 kg<\/span><\/p>\n<p>&nbsp;<\/p>\n<table>\n<tbody>\n<tr>\n<td><b>Sourcing Alloy Steel for Structural or High-Temperature Applications?<\/b><\/p>\n<p><span style=\"font-weight: 400;\">Solitaire Overseas supplies high-quality alloy steel pipes, fittings, and flanges used in power plants, refineries, and structural projects:<\/span><\/p>\n<p><b>\u2192<\/b><a href=\"http:\/\/www.solitaireoverseas.com\/alloy-steel-products.php\"> <b>Alloy Steel Products Hub (P5, P9, P11, P22, P91, P92 Pipes, Fittings &amp; Flanges)<\/b><\/a><\/p>\n<p><b>\u2192<\/b><a href=\"http:\/\/www.solitaireoverseas.com\/eil-approved-flanges-manufacturer-exporter.php\"> <b>EIL Approved Flanges (SS, Carbon Steel &amp; Alloy Steel \u2013 All Types)<\/b><\/a><\/p>\n<p><b>\u2192<\/b><a href=\"http:\/\/www.solitaireoverseas.com\/alloy-steel-grade-a-182-f91-flange-supplier.php\"> <b>Alloy Steel F91 Flanges (ASTM A182 GR.F91)<\/b><\/a><\/p>\n<p><b>\u2192<\/b><a href=\"http:\/\/www.solitaireoverseas.com\/alloy-steel-grade-a-182-f22-flange-manufacturer.php\"> <b>Alloy Steel F22 Flanges (ASTM A182 GR.F22)<\/b><\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><\/h2>\n<h2><b>Frequently Asked Questions<\/b><\/h2>\n<section style=\"margin: 40px auto;\">\n<div style=\"border: 1px solid #dcdcdc; border-radius: 8px; overflow: hidden;\">\n<p><!-- FAQ Item --><\/p>\n<details style=\"border-bottom: 1px solid #e5e5e5; padding: 15px 20px;\" open=\"open\">\n<summary style=\"cursor: pointer; font-size: 17px; font-weight: 600; color: #222; outline: none;\">What is the formula for calculating steel weight?<\/summary>\n<p style=\"margin-top: 12px; font-size: 15px; line-height: 1.7; color: #555;\">The general formula is: Weight = Volume \u00d7 Density. For steel, density = 7,850 kg\/m\u00b3. Simplified formulas: D\u00b2\/162 for bars, 0.02466 \u00d7 (OD-t) \u00d7 t for pipes, L \u00d7 W \u00d7 T \u00d7 7.85 \u00d7 10\u207b\u2076 for plates (all in mm).<\/p>\n<\/details>\n<p><!-- FAQ Item --><\/p>\n<details style=\"border-bottom: 1px solid #e5e5e5; padding: 15px 20px;\" open=\"open\">\n<summary style=\"cursor: pointer; font-size: 17px; font-weight: 600; color: #222; outline: none;\">What is the D\u00b2\/162 formula and where does 162 come from?<\/summary>\n<p style=\"margin-top: 12px; font-size: 15px; line-height: 1.7; color: #555;\">D\u00b2\/162 is the weight of a steel bar in kg\/m, where D is the bar diameter in mm. The constant 162 comes from: (\u03c0\/4) \u00d7 7,850 \/ 1,000,000 \u2248 1\/162.28, which rounds to 162. It incorporates both the unit conversion and the density of mild steel.<\/p>\n<\/details>\n<p><!-- FAQ Item --><\/p>\n<details style=\"border-bottom: 1px solid #e5e5e5; padding: 15px 20px;\" open=\"open\">\n<summary style=\"cursor: pointer; font-size: 17px; font-weight: 600; color: #222; outline: none;\">What is the formula to calculate steel plate weight?<\/summary>\n<p style=\"margin-top: 12px; font-size: 15px; line-height: 1.7; color: #555;\">SI units: Weight (kg) = L (mm) \u00d7 W (mm) \u00d7 T (mm) \u00d7 7.85 \u00d7 10\u207b\u2076. Imperial: Weight (lbs) = L (in) \u00d7 W (in) \u00d7 T (in) \u00d7 0.2836. Rule of thumb: every 1 mm of plate thickness weighs 7.85 kg per square metre.<\/p>\n<\/details>\n<\/div>\n<\/section>\n<h2><b>Conclusion<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Understanding the weight formula for steel is fundamental for professionals across the metals and construction industries. Whether working with mild steel TMT bars on a construction site, specifying stainless steel pipes for a process plant, or ordering structural I-beams for a fabrication project, the formulas in this guide, D\u00b2\/162 for bars, 0.02466 \u00d7 (OD-t) \u00d7 t for pipes, and L \u00d7 W \u00d7 T \u00d7 7.85 \u00d7 10\u207b\u2076 for plates provide fast and accurate results.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00a0<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><b>Get a Quote from Solitaire Overseas<\/b><\/p>\n<p><span style=\"font-weight: 400;\">Solitaire Overseas is a leading manufacturer, exporter, and supplier of stainless steel, alloy steel, and specialty metal products including pipes, tubes, plates, fittings, and flanges. We export to 70+ countries with mill test certificates and third-party inspection.<\/span><\/p>\n<p><b>\u2192<\/b><a href=\"https:\/\/www.solitaireoverseas.com\/stainless-steel-products.php\"> <b>Stainless Steel Products \u2013 All Grades (304, 316, 317L, 321, 347, 904L, 253 MA, SMO 254, SS 446)<\/b><\/a><\/p>\n<p><b>\u2192<\/b><a href=\"http:\/\/www.solitaireoverseas.com\/stainless-steel-446-tubes-manufacturer-supplier-exporter.php\"> <b>SS 904L Pipes, Tubes, Sheets, Plates, Fittings &amp; Flanges<\/b><\/a><\/p>\n<p><b>\u2192<\/b><a href=\"http:\/\/www.solitaireoverseas.com\/alloy-steel-products.php\"> <b>Alloy Steel Products \u2013 All Grades (P91, P92, P22, P11, P5, P9 etc.)<\/b><\/a><\/p>\n<p><b>\u2192<\/b><a href=\"http:\/\/www.solitaireoverseas.com\/eil-approved-flanges-manufacturer-exporter.php\"> <b>EIL Approved Pipes, Fittings &amp; Flanges (SS, Carbon Steel, Alloy Steel)<\/b><\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<div class=\"ttr_end\"><\/div>","protected":false},"excerpt":{"rendered":"<p>The steel weight calculation is a crucial aspect for any construction, manufacturing, or engineering professional. The accurate weight formula allows you to save money, reduce material waste, and ensure timely delivery for your project, whether you are calculating the weight of TMT bars for an RCC slab or ordering stainless steel pipes for a process [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":1281,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26],"tags":[],"class_list":["post-601","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-pipes-and-tubes-blog"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Weight Formula for Steel \u2013 Bars, Plates, Pipes &amp; Beams | Solitaire Overseas<\/title>\n<meta name=\"description\" content=\"Learn the exact weight formula for steel bars (D\u00b2\/162), plates, pipes, and beams. Step-by-step derivations, worked examples, and a unit weight table from 6 mm to 50 mm.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.solitaire-overseas.com\/blog\/weight-formula-of-steel\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Weight Formula for Steel \u2013 Bars, Plates, Pipes &amp; Beams | Solitaire Overseas\" \/>\n<meta property=\"og:description\" content=\"Learn the exact weight formula for steel bars (D\u00b2\/162), plates, pipes, and beams. 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