Stainless Steel 321 and 321H Welded Pipes

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Stainless Steel 321 and 321H Welded Pipes Manufacturer, Supplier and Exporter in Amman, Jordan

Rashdan Pipes and Tubes is a trusted manufacturer and supplier based in Amman, Jordan, known for delivering high-quality piping solutions with precision and reliability. The company has built its reputation by combining advanced technology with consistent craftsmanship, ensuring every product meets global standards. With a commitment to durability, performance, and long-term value, Rashdan Pipes and Tubes serves diverse industries that rely on strong, dependable materials. Their customer-first approach, technical expertise, and modern production capabilities make them a preferred choice for clients seeking stainless steel welded pipes that offer both strength and confidence in demanding environments.

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Stainless Steel 321 and 321H Welded Pipes are stabilized with titanium, enhancing their resistance to corrosion, oxidation, and high-temperature scaling. Their composition typically includes chromium, nickel, and titanium, offering excellent structural integrity. These grades maintain strong mechanical properties such as high tensile strength, good creep resistance, and stable performance during prolonged exposure to heat. SS 321H, with higher carbon content, provides increased strength at elevated temperatures. Both materials deliver exceptional durability, making them suitable for critical applications where heat stability and long service life are essential.

Stainless Steel 321 and 321H Welded Pipes Specification

Specifications : ASTM A312 / ASME SA312

Outside Diameter : 6.00 mm OD up to 914.4 mm OD, Sizes up to 24″ NB available Ex-stock, OD Size available Ex-stock

Thickness : 0.3mm – 50 mm, SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS

Size : 1/2″ NB – 24″ NB

Type : Welded

Form: Round Pipes, Square Pipes, Rectangular Pipes.

Length : Single Random, Double Random & Required Length

End : Plain End, Beveled End, Treaded

Equivalent Grades for Stainless Steel 321 and 321H Welded Pipes

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

321 and 321H Stainless Steel Welded 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 Welded Pipes Mechanical Properties

Density	Melting Point	Tensile Strength	Yield Strength (0.2%Offset)	Elongation
8.0 g/cm3	1457 °C (2650 °F)	Psi – 75000, MPa – 515	Psi – 30000, MPa – 205	35 %

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 321 and 321H Stainless Steel Welded Pipes from Rashdan Pipes and Tubes?

Choosing Stainless Steel 321 and 321H Welded Pipes 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 321 and 321H Stainless Steel Welded Pipes Supplier in Amman, Jordan

Rashdan Pipes and Tubes, a leading manufacturer and supplier of Stainless Steel 321 and 321H Welded Pipes in Amman, Jordan, 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 Welded Pipe Sizes

NB Sizes	Sch 5	Sch 10	Sch 40	Sch 80	Sch 160
1/8″	✓	✓	✓	✓
1/4″	✓	✓	✓	✓
3/8″	✓	✓	✓	✓
1/2″	✓	✓	✓	✓	✓
3/4″	✓	✓	✓	✓	✓
1″	✓	✓	✓	✓	✓
1 1/4″	✓	✓	✓	✓	✓
1 1/2″	✓	✓	✓	✓	✓
2″	✓	✓	✓	✓	✓
2 1/2″	✓	✓	✓	✓	✓
3″	✓	✓	✓	✓	✓
4″	✓	✓	✓	✓	✓
5″	✓	✓	✓	✓
6″	✓	✓	✓	✓

Physical Properties of SS 321 and 321H Welded Pipes

Grade	Density (kg/m3)	Elastic Modulus (GPA)	Mean Co-eff of Thermal Expansion (µm/m/°C)			Thermal Conductivity (W/m.K)		Specific Heat 0-100°C (J/kg.K)	Elec Resistivity (nΩ.m)
			0-100°C	0-315°C	0-538°C	At 100°C	At 500°C
321 and 321H	8027	193	16.6	17.2	18.6	16.1	22.2	500	720

Types of 321 and 321H Stainless Steel Welded Pipes

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

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

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Stainless Steel 321 and 321H Welded Pipes are widely used in environments where strength, stability, and heat resistance truly matter. These pipes are trusted in industries such as petrochemicals, refineries, power generation, pharmaceuticals, and food processing. They are ideal for exhaust systems, heat exchangers, furnace components, and high-temperature service lines. Their ability to perform reliably under pressure makes them a preferred choice for engineers and project managers who cannot afford compromise. Whether installed in complex industrial plants or large-scale manufacturing units, these pipes ensure consistent performance, safety, and long-lasting value in every application.