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Home > Stainless Steel > Stainless Steel 347/347H Seamless Tubing
Irfan Pipes and Tubes, based in Istanbul, Turkey, stands out as a top manufacturer and supplier of **Stainless Steel 347/347H Seamless Tubing**. They specialize in providing high-quality tubing solutions for industries that require exceptional corrosion resistance and performance at high temperatures. With state-of-the-art manufacturing facilities and a commitment to strict quality control, the company delivers seamless tubing that guarantees durability, reliability, and long-lasting service in critical applications. This type of tubing is widely utilized in the chemical, petrochemical, power generation, and aerospace sectors. Irfan Pipes and Tubes prides itself on timely delivery and customer satisfaction, making them a trusted partner for demanding industrial needs.
Stainless Steel 347/347H Seamless Tubing is an austenitic stainless steel alloy that contains about 17–19% chromium, 9–13% nickel, and is stabilized with niobium. The 347H variant has a higher carbon content, which enhances its strength at elevated temperatures. These alloys are known for their excellent resistance to intergranular corrosion, oxidation, and scaling in high-temperature environments. They also boast high tensile strength, good toughness, and dimensional stability, all while maintaining ductility and formability. The niobium stabilization improves weldability and creep resistance, making Stainless Steel 347/347H Seamless Tubing ideal for high-pressure, high-temperature, and corrosive 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 Irfan 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 Irfan Pipes and Tubes for durable, high-performance seamless tubing that meets the highest industry standards.
Irfan Pipes and Tubes, one of the largest suppliers of Stainless Steel 347/347H Seamless Tubing in Istanbul, Turkey, 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 Irfan Pipes and Tubes is committed to providing tailored solutions for all your Piping & tubing needs. For more details, contact us at sales@irfanpipes.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 seamless tubing is extensively used in industries that demand reliable, corrosion-resistant, and high-temperature solutions. In chemical and petrochemical plants, it’s commonly found in process tubing, heat exchangers, and reactors that deal with corrosive or high-temperature media. The power generation sector employs it in boiler instrumentation, superheaters, and thermal equipment. In aerospace and marine applications, 347/347H Seamless Tubing is crucial for exhaust, hydraulic, and control systems. Additionally, it finds its place in industrial furnaces and turbine components, showcasing its versatility and reliability across various demanding environments.
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