Stainless Steel 321 and 321H ERW Pipes

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Stainless Steel 321 and 321H ERW Pipes Manufacturer, Supplier and Exporter in Alexandria, Egypt

Iris Pipes and Tubes, located in Cairo, Egypt, stands out as a top manufacturer and supplier of **Stainless Steel 321 and 321H ERW Pipes**. They specialize in providing high-quality piping solutions designed for high-temperature and corrosive service applications. The company has built a solid reputation for its precision manufacturing, strict adherence to international quality standards, and a strong commitment to delivering products that are both durable and reliable. **Stainless Steel 321 and 321H ERW Pipes** are known for their exceptional resistance to oxidation, intergranular corrosion, and scaling, making them perfect for industrial settings that require high strength and long-lasting performance. Iris Pipes and Tubes caters to various industries, including petrochemical, power generation, chemical processing, oil and gas, and marine engineering.

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Stainless Steel 321 and 321H ERW Pipes Specification
321 and 321H Stainless Steel ERW Pipes Chemical Composition
SS 321 and 321H ERW Pipes Mechanical Properties
Why Choose Stainless Steel 321 and 321H ERW Pipes from Iris Pipes and Tubes?
Largest Stainless Steel 321 and 321H ERW Pipes Supplier in Alexandria, Egypt
Equivalent Grades for SS 321 and 321H ERW Pipes
Types of Stainless Steel 321 and 321H ERW Pipes
Are Custom Sizes Available for Stainless Steel 321 and 321H ERW Pipes?
Stainless Steel 321 and 321H ERW Pipes Uses
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Stainless Steel 321 and 321H ERW Pipe is primarily made of iron, chromium (17-19%), nickel (9-12%), and titanium (at least 5% for 321H). These alloys exhibit excellent resistance to corrosion and oxidation, high thermal stability, and excellent mechanical properties such as tensile strength and ductility The addition of titanium improves the stability of the structure against intergranular corrosion. Advantages include increased weldability, thermal fatigue resistance and suitability for aerospace, chemical processing and oil and gas industries Their long-lasting strength ensures prolonged service in harsh environments.

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

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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 Iris Pipes and Tubes?

These **Stainless Steel 321 and 321H ERW Pipes** are titanium-stabilized austenitic stainless steels, containing around 17–19% chromium, 9–12% nickel, and small amounts of titanium to prevent carbide precipitation. The 321H grade, with its higher carbon content, boosts high-temperature strength and creep resistance. Both grades boast impressive mechanical properties, such as high tensile and yield strength, good ductility, and outstanding oxidation resistance up to 900°C. Their unique composition ensures excellent weldability, structural stability, and long-term performance in both thermal and corrosive environments.

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Largest Stainless Steel 321 and 321H ERW Pipes Supplier in Alexandria, Egypt

Iris Pipes and Tubes, a leading manufacturer and supplier of Stainless Steel 321 and 321H ERW Pipes in Alexandria, Egypt, 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?

You’ll find **Stainless Steel 321 and 321H ERW Pipes** widely used in applications that demand high-temperature performance, corrosion resistance, and reliability. Common applications include heat exchangers, boilers, superheaters, chemical process piping, and refinery systems. These ERW (Electric Resistance Welded) pipes are characterized by strong, uniform welds and smooth internal surfaces, making them ideal for transporting fluids under high pressure and temperature. Their durability, thermal stability, and corrosion resistance guarantee a long service life and consistent operation in even the most challenging industrial environments.

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Stainless Steel 321 and 321H ERW Pipes are widely used in various industries due to their high thermal resistance and excellent corrosion resistance Typical applications are aerospace, chemical processing, and oil and gas pipeline. It is also used in electrical systems, especially heat exchangers and boilers. Additionally, these pipes are ideal for food processing, pharmaceutical manufacturing, and automotive exhaust systems due to their durability and resistance to harsh conditions As stability in heat transfer surface makes it suitable for many important industrial applications.