Stainless Steel 321/321H Tubes Supplier, Manufacturer

321H SS Tubing, ASTM A213 TP321 TUBE, ASME SA213 TP321 TUBES, ASTM A213 TP 321H Stainless Steel Tubes, 321H Stainless Steel Tubing, ASME SA213 TP321 Seamless TUBE, ASTM A213 TP321 Seamless TUBE, A213 TP321 Seamless TUBE, Stainless Seamless Tubes Manufacturer in India.

Solitaire Overseas is one of the renowned manufacturer, exporter, and supplier of SS 321 / 321H Tubes that are used in various applications due to their excellent features and properties. These tubes are available to customers in varied shapes, sizes, forms, and specification. We are fully engaged in manufacturing high quality of tubes. Therefore, we make use of top-notch quality of raw material that is well inspected by our quality inspectors that make sure all the material is of international quality standard.
With the high quality of raw material, latest machines tools and modern technology is also used by the manufacturers so that they can create different forms, shapes, and sizes of tubes in less time and of high quality. Well, on the other hand, if we talk about the features these tubes exhibit various features and properties which makes high in demand among various industrial applications. The features include high tensile strength, durability, formability, weldability and oxidation and corrosion resistance.

Stainless Steel 321/321H Tubes

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Stainless Steel 321/321H Tubing

Stainless Steel 321 ERW Tubes, ASTM A213 TP 321H SS Seamless Tubing, SS 321H Square Tubes, SS S32109 Seamless Tubes, SS DIN 1.4541 Tubing, SS 321/321H Tubing, 321H SS Round Tubes, 321 SS Capillary Tubes, WNR 1.4878 Tubes Supplier in Mumbai, India.

Stainless Steel 321/321H Tubes

Grade details
Stainless steel 321/321H is austenitic stainless steel with 18/8 steel which is stabilized with the addition of titanium. The stainless steel 321 alloy is widely used because it is not sensitive to the intergranular corrosion after the heating process within the carbide precipitation at a temperature range of 425 deg to 850 deg C. The stainless steel 321/321H is one of the great choices for different application that are used at a temperature range of up to 900 deg C that combines resistance to scaling, high strength and phase stability with resistance to aqueous corrosion. The SS321H Tubes is a modification of alloy 321 stainless steel with a high amount of carbon content that provides improved high-temperature strength.
Testing and packaging
The SS321/SS321H Tubes are fully manufactured and made ready for the delivery they come across various tests and inspections. All the tests are done as per the industrial norms and regulations. The tests include hardness test, positive material identification test, pitting resistance test, third-party inspection, visual inspection and more. When all the tests are done, these tubes are packed in bundles with proper labeling and then delivered to their respective customers worldwide.

ASME SA213 TP321H Seamless TUBE, Stainless Steel 321/321H Tubing Stockist, ASTM A213 TP321H TUBES, UNS S32100 / S32109 Seamless Tubes, ASTM A213 TP321H Seamless TUBE, TP321H SS Square Tubing, 321 SS Round Tubes Supplier in Mumbai, India.



ASTM A213, A249, A269 / ASME SA213, SA249, SA269



Seamless Tube Size

1/2" OD - 12" OD

Welded Tubes Range

1/2" OD - 12" OD, Guage: 25 SWG - 10 SWG

Outside Diameter :

3.00 mm - 219.10 mm, 6.35 mm O.D to 114.3 mm O.D

Length :

Single Random, Double Random & Required Length


0.40 mm - 12.70 mm, 0.8 mm to12.7 mm


SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH120, SCH140, SCH160, XXS


Seamless, Welded, ERW


Round Tubes, Square Tubes, Rectangular Tube

Stainless Steel 321/321H Tubes Equivalent Grades

SS 321 1.4541 S32100 SUS 321 X6CrNiTi18-10
SS 321H 1.4878 S32109 SUS 321H X12CrNiTi18-9

SS 321/321H Tubes Chemical Composition

Element SS 321 SS 321H
C 0.08 max 0.04 – 0.10
Mn 2.0 max 2.0 max
Si 1.0 max 1.0 max
P 0.045 max 0.045 max
S 0.030 max 0.030 max
Cr 17.00 - 19.00 17.00 - 19.00
N 0.10 max 0.10 max
Ni 9.00 - 12.00 9.00 – 12.00
Ti 5(C+N) – 0.70 max 4(C+N) – 0.70 max

Stainless Steel 321/321H Tubes Mechanical & Physical Properties

Element SS 321/321H
Density 8.0 g/cm3
Melting Point 1457 °C (2650 °F)
Tensile Strength Psi – 75000 , MPa – 515
Yield Strength (0.2%Offset) Psi – 30000 , MPa – 205
Elongation 35 %

Stainless Steel 321/321H Tube Application

SS 321 Tubes in various Application Industries
  Food Processing Industry
  Fabrication Industry
  Oil and Gas Industry
  Chemical Industry
  General Purpose Applications
  Water Supply Systems
  Power Plant
  Paper & Pulp Industry


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