Stainless Steel 347 and 347H Seamless Pipes

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Stainless Steel 347and 347H Seamless Pipes Manufacturer, Supplier and Exporter in Kinshasa, Thailand

Operating from the heart of Kinshasa, Wissa Pipes stands as a trusted partner for industries seeking reliable steel solutions. We take pride in supplying high-quality Stainless Steel 347/347H seamless pipes, engineered to meet the rigorous demands of both local and international projects. Our commitment is to provide materials that offer exceptional performance and longevity, ensuring your operations benefit from durability you can count on, supported by our deep understanding of the regional market’s unique needs and challenges.

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The strength of these pipes comes from their specific composition, which includes a deliberate addition of columbium. This key element provides exceptional resistance to intergranular corrosion, particularly following exposure to high temperatures. This stabilization means the material retains its strength and integrity under intense heat and pressure, making it a dependable choice for challenging environments where standard stainless steels might fail, ensuring long-term reliability.

Stainless Steel 347 and 347H Seamless Pipes Specification

Range : 6NB to 1200NB

Outer Diameter : 1/8″ NPS to 12″ NPS

Thickness : 0.6 mm to 12.7 mm

Schedules : SCH. 5, 10, 20, 30, 40, 60, 80, 100, 120, 140, 160, XXS.

Length : Single Random, Double Random & Cut Length

Specifications : ASTM A312 / ASTM SA312

Types : Round, Square, Rectangle, Hydraulic, Honed Tubes

End : Plain End, Beveled End

Equivalent Grades for Stainless Steel 347 and 347H Seamless Pipes

STANDARD	UNS	WERKSTOFF NR.
SS 347	S34700	1.4550
SS 347H	S34709	1.4961

347 and 347H Stainless Steel Seamless Pipes Chemical Composition

SS	347	347H
Ni	09 – 13	09 – 13
N	–	–
Cr	17 – 20	17 – 19
C	0.08 max	0.04 – 0.08
Si	1 max	0.75 max
Mn	2 max	2 max
P	0.045 max	0.045 max
S	0.030 max	0.03 max
OTHER	Nb=10(C+N) – 1.0	8xC min – 1.00 max

SS 347 and 347H Seamless Pipes Mechanical Properties

Grade	347 / 347H
Tensile Strength (MPa) min	515
Yield Strength 0.2% Proof (MPa) min	205
Elongation (% in 50mm) min	40
Hardness
Rockwell B (HR B) max	92
Brinell (HB) max	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 347and 347H Stainless Steel Seamless Pipes from Wissa Pipes and Tubes?

Choosing Stainless Steel 347and 347H Seamless Pipes from Wissa Pipes and Tubes guarantees exceptional corrosion resistance and high temperature performance. Their pipes are manufactured to exacting standards, ensuring reliability and durability for complex applications. With a focus on customer service, Wissa offers customized solutions and technical support. In addition, the rugged design reduces leakage, making it reliable for a variety of applications.

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Largest 347and 347H Stainless Steel Seamless Pipes Supplier in Kinshasa, Thailand

Wissa Pipes and Tubes, one of the largest suppliers of Stainless Steel 347 and 347H Seamless Pipes in Kinshasa, Thailand, offers a comprehensive range of high-quality pipes and tubes suitable for various industrial applications. Their extensive inventory and commitment to exceptional service make them a go-to choice for stainless steel products in the region.

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Grade specifications of SS 347 and 347HSeamless Pipes

Grade	UNS No	Old British		Euronorm		Swedish SS	Japanese JIS
		BS	En	No	Name
347	S34700	347s31	58G	1.4550	X6CrNiNb18-10	2338	SUS 347

Types of 347 and 347H Stainless Steel Seamless Pipes

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

Yes, we offer custom sizes for Stainless Steel 347and 347H Seamless Pipes to meet your specific requirements. Our team at Wissa Pipes and Tubes is committed to providing tailored solutions for all your Piping & tubing needs. For more details, contact us at sales@wissapipes.com.

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You’ll find Stainless Steel 347 and 347H Seamless Pipes widely used in chemical processing, petrochemical plants, and refineries where heat and corrosion resistance are crucial. They play a vital role in power generation systems, boilers, superheaters, and heat exchangers that operate at high temperatures. In industries like aerospace, marine, and automotive, they are essential for exhaust systems and high-heat components. Additionally, they are utilized in food processing, pharmaceutical sectors, and structural applications that demand hygiene and durability. Their unique combination of strength, stability, and heat resistance guarantees reliable performance in even the most challenging industrial environments.