Incoloy 825 Pipes

ASTM B423 UNS N08825 Incoloy 825 Pipes, Inconel 825 Pipes & Tubes, Alloy 825 Pipes, Incoloy Alloy 825 Welded Pipes, Incoloy 825 Seamless Pipes Manufacturer and Supplier in India

Incoloy 825 is a chromium, nickel, and iron-based alloy with additions of titanium, molybdenum, and copper, engineered for exceptional resistance to a variety of corrosive environments. It offers superior resistance to aqueous corrosion, oxidizing and reducing acids and localized attacks like stress corrosion cracking, making it an ideal choice for critical applications.

This highly effective alloy is a top choice for severe conditions, with its broad resistance to general and localized corrosion making it essential in chemical processing, acid production, pollution control, and nuclear fuel reprocessing. The oil and gas industry also widely uses Incoloy 825 pipes for media recovery, extraction, and conveyance.

Manufactured under ASME SB 423 UNS N08825 standards, our pipes undergo rigorous mechanical testing, including tensile, yield, and elongation tests, along with non-destructive electric and hydrostatic tests. These ASTM B423 UNS N08825 pipes, available as hot-finished or cold-worked, are well-suited for applications demanding robust corrosion resistance.

Unlike standard welded pipes, our Incoloy 825 welded pipes are resistant to intergranular corrosion thanks to the presence of titanium and specialized heat treatment. The copper content contributes to excellent resistance in reducing environments, while nickel improves high-temperature properties and combats chlorine-related stress corrosion.

As a trusted manufacturer and supplier, Solitaire Overseas provides premium, corrosion-resistant Incoloy 825 pipes for critical industries. We offer a wide range of sizes and forms, including seamless, welded, and cold-drawn tubing, all meeting international standards. Our pipes have a precise composition, providing excellent resistance to pitting, crevice corrosion, and stress corrosion cracking in highly acidic settings. Through meticulous testing, we guarantee superior quality and offer custom lengths, finishes, and end options to meet your specific application needs.

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Table of Content

Types of Incoloy 825 Pipes
Specifications of Incoloy 825 Pipes
Incoloy 825 Pipes Equivalent Grades
Incoloy 825 Pipes Chemical Composition
Incoloy 825 Pipes Mechanical & Physical Properties
Incoloy 825 Pipe Pressure Ratings
Incoloy 825 Pipe Schedule and Wall Thickness
Incoloy 825 Pipe Weight Chart
Dimensional Tolerances of ASTM B423 Incoloy 825 Tubes
Incoloy 825 Pipes Application

Types of Incoloy 825 Pipes

There are two primary types of Incoloy 825 pipes, categorized by their manufacturing method: seamless and welded. Both are used in corrosive environments, but their applications differ based on their structural properties.

Incoloy 825 Seamless Pipe

This type of pipe is made from a single piece of solid billet or bar, without any welded seams. The manufacturing process creates a uniform, stronger pipe that is ideal for high-pressure and critical applications. Seamless pipes are preferred in industries like oil and gas, nuclear, and chemical processing where there is zero tolerance for leaks and high pressure integrity is essential.

Incoloy 825 Welded Pipe

Incoloy 825 welded pipe is created by rolling a flat strip of metal into a cylindrical shape and welding the longitudinal seam. While the presence of a seam makes it less ideal for extremely high-pressure scenarios compared to seamless pipes, modern welding techniques make them a reliable and more cost-effective option. They are commonly used for general fluid conveyance in applications that don't require the highest pressure ratings.

Specifications of Incoloy 825 Pipes

Specifications	Details
Standards	ASTM B423, B705 / ASME SB423, SB705
Dimensions	ASTM, ASME, and API
Pipe Size	15"NB TO 150"NB
Outer Diameter	6.35 mm OD up to 254 mm OD
Thickness	0.6 TO 20 mm
Length	Single Random, Double Random & Cut Length
Schedule	SCH 10, SCH20, SCH30, SCH40, STD, SCH60, XS, SCH80, SCH120, SCH140, SCH160, XXS
Type	Seamless, Welded, ERW, EFW
Form	Round Pipes, Square Pipes, Rectangular Pipe
Grade	Incoloy 825 (UNS No. N08800)
End	Plain End, Beveled End, Treaded

Incoloy Alloy 825 Pipes Equivalent Grades

Standard	UNS	WERKSTOFF NR.	JIS	AFNOR	BS	GOST	EN
Incoloy Alloy 825	N08825	2.4858	NCF 825	NFE30C20DU	NA 16	ЭП703	NiCr21MoXH38BT

Incoloy Alloy 825 Pipes Chemical Composition

Element	Content (%)
C	0.05 max
Mn	1.00 max
Si	0.5 max
S	0.03 max
Cu	1.50 – 3.00
Fe	22.00 min
Ni	38.00 – 46.00
Cr	19.50 – 23.50
Al	0.02 max
Ti	0.06 – 1.20

Mechanical Properties of Inconel 825 Pipes & Tubes

Property	Value
Density	8.14 g/cm³
Melting Point	1400 °C (2550 °F)
Tensile Strength	550 MPa (80,000 Psi)
Yield Strength (0.2% Offset)	220 MPa (32,000 Psi)
Elongation	30 %

Incoloy 825 Pipe Pressure Ratings

The working pressure for Incoloy 825 pipes depends on the outer diameter (OD) and wall thickness. The tables below show the working pressure in psig for various dimensions.

Tube O.D. (in.)	Wall Thickness (in.)	Working Pressure (psig)
1/8	0.028	7900
	0.035	10100
1/4	0.035	4800
	0.049	7000
	0.065	9500
3/8	0.035	3100
	0.049	4400
	0.065	6100
1/2	0.035	2300
	0.049	3200
	0.065	4400
3/4	0.049	2200
	0.065	3000
	0.083	4000
	0.095	4600
1	0.065	2200
	0.083	2900
	0.095	3400
	0.109	3900
	0.120	4300

Incoloy 825 Pipe Schedule and Wall Thickness

The Incoloy 825 pipe schedule defines the wall thickness for various nominal pipe sizes (NPS) and ODs.

Nominal Size	O.D. (in.)	Wall Thickness (in.)
1/8"	0.405	0.049
1/4"	0.540	0.065
3/8"	0.675	0.065
1/2"	0.840	0.083
3/4"	1.050	0.083
1"	1.315	0.109
1 1/4"	1.660	0.109
1 1/2"	1.900	0.109
2"	2.375	0.109

Incoloy 825 Pipe Weight Chart

This chart provides the weight per meter and per foot for various sizes and schedules of Incoloy 825 pipes.

NPS (in)	OD (in)	Wall Thickness (in)	Schedule	Weight (kg/Mtr)	Weight (Lb/ft)
1/2″	0.840	0.109	40 STD	1.268	0.851
		0.147	80 STD	1.621	1.088
3/4″	1.050	0.113	40 STD	1.684	1.131
		0.154	80 STD	2.195	1.474
1″	1.315	0.133	40 STD	2.501	1.679
		0.179	80 STD	3.325	2.172
1 1/4″	1.660	0.140	40 STD	3.385	2.273
		0.191	80 STD	4.464	2.997
1 1/2″	1.900	0.145	40 STD	4.048	2.718
		0.200	80 STD	5.409	3.361
2″	2.375	0.154	40 STD	5.441	3.653
		0.218	80 STD	7.480	5.022

Dimensional Tolerances of ASTM B423 Incoloy 825 Tubes

Dimensional tolerances are crucial for precision-critical applications. These tolerances vary based on the outer diameter and wall thickness.

OD (in)	OD Tolerance (in)	Wall Thickness (in)
1/2" – 1"	+/- 0.0005	0.0025 – 0.0065
	+/- 0.0010	Over 0.0065 – 0.0134
1" – 1 1/2"	+/- 0.0008	0.0025 – 0.0065
	+/- 0.0010	Over 0.0065 – 0.0134
1 1/2" – 2"	+/- 0.0010	0.0025 – 0.0049
	+/- 0.0011	Over 0.0049 – 0.0083
	+/- 0.0012	Over 0.0083 – 0.0148
2" – 2 1/2"	+/- 0.0012	0.0032 – 0.0065
	+/- 0.0013	Over 0.0065 – 0.0109
	+/- 0.0014	Over 0.0109 – 0.0165
2 1/2" – 3 1/2"	+/- 0.0014	0.0032 – 0.0165
	+/- 0.0020	Over 0.0165 – 0.0220
3 1/2" – 5"	+/- 0.0020	0.0083 – 0.0165
	+/- 0.0025	Over 0.0165 – 0.0220