Stainless Steel 347 and 347H ERW Pipes

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Stainless Steel 347 and 347H ERW Pipes Manufacturer, Supplier and Exporter in Istanbul, Turkey

Irfan Pipes and Tubes, located in Istanbul, Turkey, stands out as a top manufacturer and supplier of Stainless Steel 347/347H ERW Pipes. They provide high-quality piping solutions designed for high-temperature and corrosive environments. Crafted from stabilized austenitic stainless steel, these pipes boast remarkable resistance to intergranular corrosion and deliver outstanding performance in elevated temperature settings. You’ll find Stainless Steel 347/347H ERW Pipes widely utilized across the chemical, petrochemical, power generation, and marine industries, where durability, reliability, and longevity are essential. Irfan Pipes and Tubes is committed to ensuring that every product adheres to international standards, guaranteeing consistent performance and structural integrity even in the most demanding industrial applications.

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These pipes are made from chromium-nickel austenitic stainless steel, stabilized with columbium (niobium) to prevent carbide precipitation and intergranular corrosion after welding. The 347H grade, with its higher carbon content, offers improved high-temperature strength and creep resistance. They exhibit excellent mechanical properties, including high tensile and yield strength, toughness, and robust resistance to oxidation at elevated temperatures. The Electric Resistance Welded (ERW) construction provides precise dimensional accuracy, uniformity, and structural strength, making them a cost-effective choice for high-performance industrial piping systems.

Stainless Steel 347 and 347H 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

347 and 347H Stainless Steel ERW 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 ERW Pipes Mechanical Properties

Density	Melting Point	Tensile Strength	Yield Strength (0.2%Offset)	Elongation
7.9 g/cm3	1402 °C (2555 °F)	Psi – 75000 , MPa – 515	Psi – 30000 , MPa – 205	40 %

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 Stainless Steel 347 and 347H ERW Pipes from Irfan Pipes and Tubes?

Choosing Stainless Steel 347 and 347H ERW Pipes from Irfan Pipes and Tubes 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 Stainless Steel 347 and 347H ERW Pipes Supplier in Istanbul, Turkey

Irfan Pipes and Tubes, a leading manufacturer and supplier of Stainless Steel 347 and 347H ERW Pipes in Istanbul, Turkey, 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 347 and 347H ERW Pipes

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

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Types of Stainless Steel 347 and 347H ERW Pipes

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

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

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Stainless Steel 347/347H ERW Pipes are extensively used in industries that demand long-lasting performance under heat and corrosive conditions. In chemical and petrochemical plants, they are essential for processing equipment, heat exchangers, and piping systems that handle aggressive chemicals. Power generation facilities rely on them for boilers, superheaters, and turbine components due to their creep strength and durability at high temperatures. Additionally, marine and offshore applications utilize these pipes in exhaust systems, high-temperature piping, and seawater handling systems. Refineries and food processing industries also benefit from their reliability and performance.