Stainless Steel 347 and 347H Welded Pipes

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Stainless Steel 347 and 347H Welded Pipes Manufacturer, Supplier and Exporter in Kolkata, India

Ojas Pipes and Tubes, a reputable name in the piping industry right here in Kolkata, India. We specialize in crafting and supplying top-notch Stainless Steel 347 and 347H Welded Pipes. Known for their outstanding heat resistance, strength, and durability, these pipes are perfect for critical applications in high-temperature and corrosive settings. Committed to meeting rigorous international standards, Ojas ensures that our precision-engineered Stainless Steel 347 and 347H Welded Pipes cater to the diverse needs of industries around the globe. With a strong emphasis on quality, innovation, and customer satisfaction, Ojas is your go-to partner for advanced piping solutions.

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When it comes to the composition and mechanical properties of our Stainless Steel 347 and 347H Welded Pipes, they consist of chromium (17-20%), nickel (9-13%), and niobium, with the “H” variant featuring a higher carbon content for improved high-temperature strength. These pipes boast a tensile strength of 515 MPa, a yield strength of 205 MPa, and an elongation of about 35%. Their impressive resistance to intergranular corrosion and thermal cracking makes them ideal for extreme environments. Plus, the welded construction guarantees uniformity and high performance, even in the toughest conditions.

Stainless Steel 347 and 347H Welded Pipes Welded Pipe 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 347 and 347H Welded Pipes

STANDARD	WERKSTOFF NR.	UNS	JIS	GOST	EN
SS 347	1.4550	S34700	SUS 347	08Ch18N12B	X6CrNiNb18-10
SS 347H	1.4961	S34709	SUS 347H	–	X6CrNiNb18-12

Stainless Steel 347 and 347H Welded Pipes Chemical Composition

Grade	C	Mn	Si	P	S	Cr	Cb	Ni	Fe
SS 347	0.08 max	2.0 max	1.0 max	0.045 max	0.030 max	17.00 – 20.00	10xC – 1.10	9.00 – 13.00	62.74 min
SS 347H	0.04 – 0.10	2.0 max	1.0 max	0.045 max	0.030 max	17.00 – 19.00	8xC – 1.10	9.0 -13.0	63.72 min

SS 347 and 347H Welded Pipes Mechanical Properties

Density	Melting Point	Tensile Strength	Yield Strength (0.2%Offset)	Elongation
8.0 g/cm3	1454 °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 347 and 347H Stainless Steel Welded Pipes from Ojas Pipes and Tubes?

Choosing Stainless Steel 347 and 347H 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 347 and 347H Stainless Steel Welded Pipes Supplier in Kolkata, India

Ojas Pipes and Tubes, a leading manufacturer and supplier of Stainless Steel 347 and 347H Welded Pipes in Kolkata, 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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347 and 347H 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″	✓	✓	✓	✓

Types of 347 and 347H Stainless Steel Welded Pipes

Are Custom Sizes Available for 347 and 347H Stainless Steel Welded Pipes?

We offer custom sizes for Stainless Steel 347 and 347H Welded Pipes to meet your specific needs. Our dedicated team at Ojas Pipes and Tubes provides tailored solutions for all your piping and tubing requirements. For more information, contact us at sales@ojaspipesandtubes.co.in.

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Stainless Steel 347 and 347H Welded Pipes find their place in various industries, including petrochemicals, power generation, and chemical processing. They’re perfect for heat exchangers, boiler systems, and furnace components, where stability at high temperatures is essential. Additionally, these pipes are used for handling corrosive chemicals, gases, and fluids in industrial systems. With their exceptional mechanical properties and resistance to scaling and oxidation, they are the preferred choice for applications that demand reliable performance and a long service life, even in challenging conditions.