Stainless Steel 321 and 321H ERW Pipes

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Stainless Steel 321 and 321H ERW Pipes Manufacturer, Supplier and Exporter in Kuala lumpur, Malaysia

Maria Pipes and Tubes, a well-respected manufacturer and supplier based in Kuala Lumpur, Malaysia, specializes in high-quality Stainless Steel 321 and 321H EFW Pipes. These pipes are crafted for outstanding performance in high-temperature and corrosive settings. Thanks to their titanium stabilization, they offer excellent resistance to intergranular corrosion and enhanced durability when faced with thermal stress. The 321H variant, with its higher carbon content, is specifically designed to provide better strength at elevated temperatures. Adhering to international standards, Maria Pipes and Tubes guarantees precision engineering, robust quality, and a reliable service life, making these pipes perfect for demanding industrial applications around the globe.

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Stainless Steel 321 and 321H EFW Pipes are austenitic stainless steels that are stabilized with titanium, featuring a blend of chromium, nickel, and controlled carbon content. The 321 grade boasts remarkable resistance to oxidation and scaling up to 870°C, while the 321H variant is tailored for superior creep strength and extended service life at high temperatures. Both grades deliver excellent tensile and yield strength, good ductility, and stable mechanical properties even during thermal cycling. Their unique composition helps prevent carbide precipitation, ensuring structural integrity in high-temperature pressure service applications.

Stainless Steel 321 and 321H ERW Pipes Specification

Specifications : ASTM A312 / ASME SA312

Dimensions : ASTM, ASME and API

Size : 8″ NB to 24″ NB

Wall Thickness : 0.5 to 150mm Thick

Schedules : SCH 5S, 10S,10, 20, 40S, 40, STD, 60, 80S, 80, XS, 100, 120, 140, 160 & XXS

Length : Single Random, Double Random & Required Length

Form : Round, Square, Rectangular, Hydraulic Pipes

End : Plain end, Bevelled end

Type : Electric Resistance Welded

321 and 321H Stainless Steel ERW 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 ERW 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 ERW Pipes from Maria Pipes and Tubes?

Choosing Stainless Steel 321 and 321H ERW Pipes from Maria 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 ERW Pipes Supplier in Kuala lumpur, Malaysia

Maria Pipes and Tubes, a leading manufacturer and supplier of Stainless Steel 321 and 321H ERW Pipes in Kuala lumpur, Malaysia, 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.

Equivalent Grades for SS 321 and 321H ERW 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

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Types of Stainless Steel 321 and 321H ERW Pipes

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

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

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These Stainless Steel 321 and 321H EFW Pipes find extensive use in various industries, including oil and gas, petrochemical, power generation, and chemical processing. They are particularly well-suited for applications like heat exchangers, boiler tubes, furnace components, exhaust systems, and high-temperature piping. These pipes excel in continuous service at elevated temperatures and in environments with corrosive media. Their long service life, minimal maintenance needs, and consistent performance make them a top choice for critical applications where heat and corrosion resistance are vital for operational reliability.