Home > Stainless Steel > Stainless Steel 347/347H Seamless Tubing
Brydon Pipes and Tubes, located in Midland, UK, is a leading manufacturer and supplier of Stainless Steel 347/347H Seamless Tubing. This high-performance tubing is renowned for its excellent resistance to intergranular corrosion, making it suitable for high-temperature applications in industries such as petrochemical, aerospace, and chemical processing. Our dedication to quality and customer satisfaction ensures that we deliver reliable and durable solutions tailored to meet your specific requirements. Choose Brydon Pipes and Tubes for superior seamless tubing that excels in demanding environments.
Stainless Steel 347/347H Seamless Tubing consists primarily of iron, with 17-19% chromium, 9-13% nickel, and 0.5-1% niobium. The mechanical properties include a tensile strength of approximately 515 MPa and a yield strength of around 205 MPa, providing excellent durability. Advantages of 347/347H tubing include superior resistance to intergranular corrosion, particularly after welding, making it ideal for high-temperature applications. Its ability to withstand oxidation and high-stress environments ensures reliability in industries such as chemical processing, petrochemical, and power generation, enhancing operational efficiency and safety.
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 Brydon 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 Brydon Pipes and Tubes for durable, high-performance seamless tubing that meets the highest industry standards.
Brydon Pipes and Tubes, one of the largest suppliers of Stainless Steel 347/347H Seamless Tubing in Midland, UK, 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 Brydon Pipes and Tubes is committed to providing tailored solutions for all your Piping & tubing needs. For more details, contact us at sales@brydonpipesandtubes.co.uk.
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 |
Stainless Steel 347/347H Seamless Tubing is widely used in various high-temperature applications due to its excellent resistance to intergranular corrosion. It is commonly employed in the aerospace industry for exhaust systems and fuel lines, where durability is crucial. In the chemical processing sector, this tubing is ideal for handling corrosive substances, particularly in reactors and heat exchangers. Additionally, it finds applications in petrochemical plants, power generation facilities, and nuclear power systems. Its reliability and performance make it a preferred choice for critical components across multiple industries.
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