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- Kinshasa, Thailand
Home > Stainless Steel > Stainless Steel 347/347H Seamless Tubing
From the heart of Kinshasa, Wissa Pipes stands as a trusted partner for industry, providing robust and reliable materials built to withstand demanding conditions. We take pride in supplying high-performance Stainless Steel 347/347H Seamless Tubing, a product engineered for resilience. Our focus is on delivering solutions that offer exceptional strength and corrosion resistance, ensuring our clients’ projects proceed with confidence and longevity, supported by our local expertise and commitment to quality.
The strength of this particular tubing comes from its thoughtful composition, which is stabilized with niobium. This key addition makes it exceptionally resistant to intergranular corrosion following welding or exposure to high temperatures. The “H” grade indicates a higher carbon content, which directly translates to superior creep strength and sustained performance under intense heat, making it a dependable choice for the most challenging thermal environments.
Tube Range : 6.35 mm OD To 101.6 mm OD Guage: 25 SWG – 10 SWG
Outer Diameter : 3.00 mm – 219.10 mm
Wall Thickness : 0.40 mm – 12.70 mm
Schedules : 5, 10S, 10, 30, 40S, 40, 80, 80S, XS, 160, XXH
Length : Upto 30 meters, Custom Cut Lengths
Specifications : ASTM A213 / ASTM SA213
Types : Round, Square, Rectangle, Coil, “U” Shape, Hydraulic & Honed Tubes
| 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 | 1 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 |
| 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 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Choosing Stainless Steel 347/347H seamless tubing from Wissa Pipes and Tubes ensures you receive a product of exceptional quality and reliability. Our tubing is designed to withstand high temperatures and resist intergranular corrosion, making it ideal for demanding applications in the chemical, petrochemical, and aerospace industries. We adhere to strict quality control measures and offer comprehensive testing to ensure optimal performance. Our experienced team provides personalized solutions tailored to your specific requirements, guaranteeing customer satisfaction. Trust Wissa Pipes and Tubes for durable, high-performance seamless tubing that meets the highest industry standards.
Wissa Pipes and Tubes, one of the largest suppliers of Stainless Steel 347/347H Seamless Tubing 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.
Yes, we offer custom sizes for Stainless Steel 347/347H Seamless Tubing 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.
| 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 |
This type of tubing is widely used in chemical processing, petrochemical plants, and power generation systems that require heat and corrosion resistance. It’s commonly found in boilers, superheaters, heat exchangers, and refinery equipment that are exposed to high temperatures. In the aerospace and marine industries, it’s utilized in exhaust systems and components that endure high heat. Additionally, it plays a vital role in food processing, pharmaceuticals, and instrumentation systems where hygiene and precision are paramount. Its unique combination of strength, corrosion resistance, and durability makes it a dependable choice for high-performance seamless tubing applications.
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