Stainless Steel 321 and 321H EFW Pipes

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Stainless Steel 321 and 321H EFW Pipes Manufacturer, Supplier and Exporter in Istanbul, Turkey

Irfan Pipes and Tubes, located in Istanbul, Turkey, stands out as a top manufacturer and supplier of Stainless Steel 321 and 321H EFW Pipes, providing high-quality piping solutions across various industries. These pipes are celebrated for their remarkable resistance to high temperatures and intergranular corrosion, making them perfect for demanding applications in the chemical, petrochemical, and power generation sectors. Thanks to their advanced manufacturing techniques and rigorous quality control, Irfan Pipes and Tubes guarantees durability, reliability, and precision in every product they offer. Their expertise and dedication to excellence have established them as a trusted name in delivering premium-grade Stainless Steel 321 and 321H EFW Pipes around the globe.

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Stainless Steel 321 and 321H EFW Pipes are titanium-stabilized austenitic stainless steels that contain chromium (17–19%), nickel (9–12%), and carbon, with 321H featuring a higher carbon content for improved creep strength. They boast excellent oxidation resistance up to 900°C and exceptional strength in high-temperature environments. Their mechanical properties include a minimum tensile strength of 515 MPa, a minimum yield strength of 205 MPa, and a minimum elongation of 40%. These pipes offer outstanding toughness, weldability, and durability, making them ideal for rigorous industrial operations that demand stability under thermal stress and in corrosive settings.

Stainless Steel 321 and 321H EFW Pipes Specification

Specification	ASTM A358 / ASME SA358
Specification	A / SA358 CLASS 1, A / SA358 CLASS 2, A / SA358 CLASS 3, A / SA358 CLASS 4, A / SA358 CLASS 5
Grades	304, 304L, 304H, 309S, 310S, 316, 316L, 316H, 317L, 321, 321H, 347, 347H, 904L ETC.
Type	EFW, ELECTRIC FUSION WELDED
Outer Diameter Size	Electric Fusion Welded / ERW- 8″ NB To 110″ NB (Nominal Bore Size)
Wall Thickness	Schedule 10 To Schedule 160 (3 mm to 100 mm Thickness)
Length	01 Meter to 12.5 Meters, Single Random Length, Double Random Length And Customize Size.
Ends	Plain Ends / Beveled Ends
Delivery Conditions	As Rolled, Formed, Stress Relieved, Annealed, Hardened, Tempered
Coating	Electropolish, Mechanical Polish, Satin Finish, Passivated
Dimension	All Pipes Is Manufactured and Inspected / Tested to the Relevant standards including ASTM and ASME
Value Added Services	Draw / Expansion / Machining / Sand Blasting / Shot Blasting / Heat Treatment
Packaging	Loose / Bundle / Wooden Pallet / Wooden Box / Plastic Cloth Wraps / Plastic End Caps / Beveled Protector
Material Test Certificate	Manufacturer Test Certificate As Per EN10204 3.1, 3.2 / Laboratory Test Certificate From NABL Approved Lab. / Under Third Party Inspection Agency Like SGS, TUV, DNV, LLOYDS, ABS ETC

Equivalent Grades for Stainless Steel 321 and 321H EFW Pipes

STANDARD	UNS	WERKSTOFF NR.	EN	JIS
SS 321	S32100	1.4541	X6CrNiTi18-10	SUS 321
SS 321H	S32109	1.4878	X12CrNiTi18-9	SUS 321H

321 and 321H Stainless Steel EFW Pipes Chemical Composition

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

SS 321 and 321H EFW Pipes Mechanical Properties

Tensile Strength	Yield Strength (0.2%Offset)	Elongation	Hardness
			Rockwell B (HR B) max	Brinell (HB) max
Psi – 75000, MPa – 515	Psi – 30000, MPa – 205	35 %	95	217

If You Are Looking To Buy High Quality

We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.

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Why Choose Stainless Steel 321 and 321H EFW pipes from Irfan Pipes and Tubes?

Choosing Stainless Steel 321 and 321H EFW Pipes from Irfan Pipes and Tubes guarantees excellent corrosion resistance, high strength, and durability. Designed for diverse industrial applications, it delivers reliable performance in tough environments while maintaining competitive pricing for cost-effective solutions.

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Largest Stainless Steel 321 and 321H EFW pipes Supplier in Istanbul, Turkey

Irfan Pipes and Tubes, a leading manufacturer and supplier of Stainless Steel 321 and 321H EFW Pipes in Istanbul, Turkey, offers a comprehensive range of high-quality pipes and tubing suitable for various industrial applications. Our extensive inventory and commitment to exceptional service make us a trusted choice for regional products.

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321 and 321H Stainless Steel EFW Pipe Sizes

NPS Designator	Outside Diameter		Nominal Wall Thickness
	in.	mm	Schedule 5SA		Schedule 10SA		Schedule 40SA		Schedule 80SA
	in.	mm	in.	mm	in.	mm	in.	mm	in.	mm
8	8.625	219.08	0.109	2.77	0.148	3.76	0.322	8.18	0.500	12.70
10	10.750	273.05	0.134	3.40	0.165	4.19	0.365	9.27	0.500B	12.70B
12	12.750	323.85	0.156	3.96	0.180	4.57	0.375B	9.52B	0.500B	12.70B
14	14.000	355.60	0.156	3.96	0.188B	4.78B	…	…	…	…
16	16.000	406.40	0.165	4.19	0.188B	4.78B	…	…	…	…
18	18.000	457.20	0.165	4.19	0.188B	4.78B	…	…	…	…
20	20.000	508.00	0.188	4.78	0.188B	4.78B	…	…	…	…
22	22.000	558.80	0.188	4.78	0.218B	5.54B	…	…	…	…
24	24.000	609.60	0.218	5.54	0.250	6.35	…	…	…	…
30	30.000	762.00	0.250	6.35	0.312	7.92	…	…	…	…

Types of Stainless Steel 321 and 321H EFW Pipes

Are Custom Sizes Available for Stainless Steel 321 and 321H EFW Pipes?

We offer custom sizes for Stainless Steel 321 and 321H EFW Pipes to meet your specific needs. Our dedicated team at Irfan Pipes and Tubes provides tailored solutions for all your piping and tubing requirements. For more information, contact us at sales@irfanpipes.com.

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Stainless Steel 321 and 321H EFW Pipes find extensive use in industries that require high-temperature resistance and durability. They are perfect for heat exchangers, furnace components, exhaust manifolds, and thermal processing equipment. In the petrochemical, refinery, and chemical sectors, they are employed in piping systems that handle hot gases and corrosive fluids. Power plants utilize them in superheaters, reheaters, and boiler tubes due to their excellent creep and stress rupture strength. Their resistance to intergranular corrosion also makes them suitable for aerospace, marine, and automotive applications, ensuring a long service life, reliability, and top-notch performance.