Stainless Steel 321 and 321H ERW Pipes

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Stainless Steel 321 and 321H ERW Pipes Manufacturer, Supplier and Exporter in Kinshasa, Thailand

Strategically located in the vibrant industrial heart of Kinshasa, Congo, Wissa Pipes stands as a trusted partner for robust and reliable piping solutions. We specialize in supplying high-grade Stainless Steel 321/321H ERW Pipes, engineered to meet the demanding conditions of both local and regional projects. Our commitment goes beyond mere supply; we ensure our clients receive materials that offer superior performance and longevity, backed by our deep understanding of the specific challenges faced by industries across Central Africa.

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The strength of these pipes begins with their composition. The key is the addition of titanium, which provides exceptional resistance to sensitization, preventing harmful carbide precipitation when exposed to high temperatures. This stabilisation ensures the material maintains its excellent corrosion resistance. Furthermore, the “H” grade indicates a higher carbon content, which directly translates to enhanced high-temperature strength, making these pipes significantly more durable under sustained heat and pressure compared to standard grades.

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 Wissa Pipes and Tubes?

Choosing Stainless Steel 321 and 321H ERW Pipes from Wissa 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 Kinshasa, Thailand

Wissa Pipes and Tubes, a leading manufacturer and supplier of Stainless Steel 321 and 321H ERW Pipes in Kinshasa, Thailand, 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 Wissa Pipes and Tubes provides tailored solutions for all your piping and tubing requirements. For more information, contact us at sales@wissapipes.com.

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Stainless Steel 321 and 321H ERW Pipes find extensive application in industries that require dependable performance in high-temperature and corrosive environments. They are perfect for heat exchangers, chemical processing equipment, refinery systems, and petrochemical plants. Their oxidation resistance makes them ideal for exhaust systems, aerospace components, and furnace parts. Additionally, these pipes are utilized in the food processing, pharmaceutical, and marine sectors, where hygiene and durability are paramount. With their excellent mechanical properties and weldability, they are a popular choice for demanding applications that require strength, longevity, and consistent performance.