- sales@irispipes.com
- Alexandria, Egypt
Home > Stainless Steel > Stainless Steel 347/347H Seamless Tubing
Iris Pipes and Tubes, based in Cairo, Egypt, is a reliable manufacturer and supplier of top-notch Stainless Steel 347/347H Seamless Tubing. These tubes are crafted using cutting-edge seamless production methods, which guarantee consistent wall thickness, impressive dimensional accuracy, and a smooth surface finish. Designed to comply with strict international standards, they offer outstanding strength, resistance to corrosion, and durability even in high-temperature and chemically harsh environments. Iris Pipes and Tubes is committed to providing precision-engineered, long-lasting tubing solutions, ensuring consistent quality and timely delivery. They cater to various industries, including petrochemical, chemical processing, power generation, aerospace, and industrial manufacturing, with dependable and efficient products.
The Stainless Steel 347/347H Seamless Tubing is mainly made up of iron, chromium, nickel, and trace amounts of columbium (niobium), along with carbon, manganese, phosphorus, and sulfur. The inclusion of niobium helps stabilize the material, preventing sensitization during welding and high-temperature processes. These tubes boast excellent tensile strength, yield strength, and resistance to corrosion and oxidation at elevated temperatures. The 347H variant, which has a higher carbon content, offers improved creep resistance and thermal stability. Their unique chemical makeup and mechanical properties ensure they remain tough, ductile, and reliable in demanding seamless tubing applications.
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 Iris 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 Iris Pipes and Tubes for durable, high-performance seamless tubing that meets the highest industry standards.
Iris Pipes and Tubes, one of the largest suppliers of Stainless Steel 347/347H Seamless Tubing in Alexandria, Egypt, 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 Iris Pipes and Tubes is committed to providing tailored solutions for all your Piping & tubing needs. For more details, contact us at sales@irispipes.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 |
You’ll find Stainless Steel 347/347H Seamless Tubing widely used in high-temperature and corrosive settings, such as chemical and petrochemical plants, boilers, heat exchangers, and exhaust systems. They’re perfect for applications that need resistance to intergranular corrosion and thermal stress. These tubes are also utilized in power generation, refinery equipment, aerospace components, and industrial machinery, where durability, strength, and high-temperature performance are essential. With their seamless design, excellent mechanical properties, and corrosion resistance, they truly stand out in the market.
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