Stainless Steel 347 and 347H Welded Pipes

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Stainless Steel 347 and 347H Welded Pipes Manufacturer, Supplier and Exporter in Kuala lumpur, Malaysia

Maria Pipes and Tubes, a top-notch manufacturer and supplier based in Kuala Lumpur, Malaysia, specializes in high-quality Stainless Steel 347 and 347H Welded Pipes designed for peak performance in tough industrial settings. These pipes are renowned for their outstanding resistance to intergranular corrosion, impressive creep strength, and remarkable durability even at high temperatures. Crafted to comply with international standards, they’re perfect for sectors like chemical processing, petroleum refining, and power generation. With a commitment to precision fabrication and dependable quality, Maria Pipes and Tubes delivers Stainless Steel 347 and 347H Welded Pipes that you can trust for critical operations.

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Stainless Steel 347 and 347H Welded Pipes are stabilized austenitic stainless steels that include chromium, nickel, and columbium (niobium), with 347H featuring a higher carbon content for improved strength at elevated temperatures. This balanced composition not only prevents sensitization but also provides excellent mechanical strength and outstanding oxidation resistance up to 870°C. These pipes boast good tensile strength, yield strength, and elongation, making them ideal for environments that experience high pressure and heat. Their stable structure guarantees reliability during thermal cycling and extended exposure to high temperatures without compromising mechanical integrity.

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 Maria 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 Kuala lumpur, Malaysia

Maria Pipes and Tubes, a leading manufacturer and supplier of Stainless Steel 347 and 347H Welded Pipes in Kuala lumpur, Malaysia, 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 Maria Pipes and Tubes provides tailored solutions for all your piping and tubing requirements. For more information, contact us at sales@mariapipes.com.

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You’ll find Stainless Steel 347 and 347H Welded Pipes commonly used in applications that demand resistance to high-temperature corrosion and a long service life. They’re often found in heat exchangers, boiler tubes, exhaust manifolds, pressure vessels, and chemical processing equipment. Particularly well-suited for the oil and gas, petrochemical, and power generation industries, these pipes can handle frequent exposure to high temperatures and corrosive substances. With their excellent durability, low maintenance needs, and consistent performance, they’re a go-to choice for critical and high-demand industrial projects.