Stainless Steel 304H Welded Pipes

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Stainless Steel 304H Welded Pipes Manufacturer, Supplier and Exporter in Chennai, India

One of the top producers and suppliers of stainless steel 304H welded pipes, intended for high-temperature and high-pressure applications, is Vipul Pipes and Tubes, with its headquarters located in Chennai, India. A high-carbon variation of the popular 304 grade, SS 304H offers improved strength and resistance to heat. These welded pipes are made with cutting-edge methods that guarantee superior surface finish, dimensional accuracy, and weld quality. Vipul Pipes and Tubes provides 304H welded pipes that meet ASTM A312 standards. These pipes are perfect for use in boiler systems, heat exchangers, superheaters, and chemical processing equipment where high-temperature performance and durability are essential.

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Vipul Pipes and Tubes’ stainless steel 304H welded pipes have a higher carbon content (0.04–0.10%) than regular 304 and are composed of chromium (18–20%) and nickel (8–11%). The strength and resistance to creep are enhanced by the additional carbon. Tensile strength of ≥515 MPa, yield strength of ≥205 MPa, and elongation of ≥35% are examples of mechanical properties. The pipes are perfect for structural applications in settings with frequent thermal cycling or persistently high temperatures because they offer exceptional oxidation resistance up to 870°C.

Stainless Steel 304H 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 304H Welded Pipes

Grade	UNS No	Old British		Euronorm		Swedish SS	Japanese JIS
		BS	En	No	Name
304H	S30409	304S51	–	1.4948	X6CrNi18-11	–	–

304H Stainless Steel Welded Pipes Chemical Composition

Grade		C	Mn	Si	P	S	Cr	Mo	Ni	N
304H	min.	0.04	–	–	–	–	18.0	–	8.0	–
304H	max.	0.10	2.0	0.75	0.045	0.030	20.0	–	10.5	–

SS 304H Welded Pipes Mechanical Properties

Grade	Tensile Strength (MPa) min	Yield Strength 0.2% Proof (MPa) min	Elongation (% in 50mm) min	Hardness
				Rockwell B (HR B) max	Brinell (HB) max
304H	515	205	40	92	201

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 304H Stainless Stee Welded Pipes from Vipul Pipes and Tubes?

Choosing Stainless Steel 304H 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 304H Stainless Steel Welded Pipes Supplier in Chennai, India

Vipul Pipes and Tubes, a leading manufacturer and supplier of Stainless Steel 304H Welded Pipes in Chennai, India, 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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304H 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 304H Welded Pipes

Grade	Density (kg/m3)	Elastic Modulus (GPa)	Mean Coefficient of Thermal Expansion (m/m/0C)			Thermal Conductivity (W/m.K)		Specific Heat 0-1000C (J/kg.K)	Electrical Resistivity (n.m)
			0-1000C	0-3150C	0-5380C	at 1000C	at 5000C
304H	8000	193	17.2	17.8	18.4	16.2	21.5	500	720

Types of 304H Stainless Steel Welded Pipes

Are Custom Sizes Available for 304H Stainless Steel Welded Pipes?

We offer custom sizes for Stainless Steel 304H Welded Pipes to meet your specific needs. Our dedicated team at Vipul Pipes and Tubes provides tailored solutions for all your piping and tubing requirements. For more information, contact us at sales@vipulpipesandtubes.co.in.

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Power plants, refineries, fertiliser facilities, and petrochemical plants all make extensive use of Vipul Pipes and Tubes’ stainless steel 304H welded pipes, especially in environments where systems must function at high temperatures. Because of their increased strength and thermal stability, they are perfect for pressure vessels, boiler tubes, heat exchangers, and superheaters. Additionally, steam lines, oil and gas transmission, and structural elements subjected to harsh or variable temperatures all use SS 304H welded pipes. They are a popular option in sectors where high temperatures and pressures are common because of their mechanical integrity, weldability, and resistance to corrosion.