Walid Stainless, headquartered in Tunis, Tunisia, is a trusted manufacturer and supplier of high-quality stainless steel products. Among their specialized offerings are Stainless Steel 347 Pipes, designed for applications requiring excellent high-temperature strength, corrosion resistance, and long-term durability. These pipes are ideal for industrial, chemical, and power-generation systems exposed to elevated temperatures and harsh environments. At Walid Stainless, each pipe is manufactured with precision and undergoes rigorous quality control to ensure consistent performance. Clients rely on 347 Pipes for safe, reliable, and long-lasting fluid transport and structural solutions in demanding high-temperature industrial applications.
Stainless Steel 347 Pipes are made from a titanium-stabilized austenitic stainless steel alloy containing approximately 17–19% chromium, 9–13% nickel, and low carbon content. Titanium stabilization prevents sensitization and enhances corrosion resistance at elevated temperatures. These pipes typically exhibit tensile strength between 550–700 MPa and hardness around 180–220 HB. The austenitic structure ensures excellent mechanical durability, creep resistance, and dimensional stability under thermal and mechanical stress. 347 Pipes are suitable for high-temperature, chemically aggressive, and demanding industrial applications requiring long-term performance and resistance to oxidation.
| Standard | ASTM A312, A358 / ASME SA312, SA358 |
| Outside Diameter | 6.00 mm OD up to 914.4 mm OD, Sizes up to 24″ NB available Ex-stock, OD Size Steel Tubes available Ex-stock |
| Thickness | 0.3mm – 50 mm, SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS |
| Type | Seamless / ERW / Welded / Fabricated Pipes |
| Form | Round, Square, Rectangular, Oval, Hydraulic Etc |
| Length | Single Random, Double Random & Required Length |
| End | Plain End, Beveled End, Treaded |
| Outside Finish | 2B, No.4, No.1, No.8 Mirror Finish for Stainless Steel Pipes, Finish as per customer Requirements |
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | Fe |
| SS 347 | 0.08 max | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 18.00 – 20.00 | 3.00 – 4.00 | 11.00 – 15.00 | 57.845 min |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 8.0 g/cm3 | 1454 °C (2650 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
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We assures best quality Stainless Steel 347 Pipes through high level testing and certification. Each pipe is tested with hydrostatic, ultrasonic and chemical composition testing to assure strength and durability according to the market specifications. Being ISO 9001:2015, ASTM A312, and other international standard certified pipes will ensure the desired reliability, anti-corrosive qualities, and great performance.
SS 347 seamless pipe is a high-quality, stainless steel pipe made from alloy 347. It offers excellent resistance to high temperatures and corrosion, suitable for aerospace, chemical, and industrial applications.
SS 347 welded pipe is a stainless steel pipe made from alloy 347, featuring excellent resistance to corrosion and high temperatures. Ideal for applications in aerospace, chemical processing, and industrial settings.
SS 347 ERW (Electric Resistance Welded) pipe is a stainless steel pipe made from alloy 347. It offers good resistance to corrosion and high temperatures, suitable for various industrial applications.
SS 347 EFW (Electric Fusion Welded) pipe is made from stainless steel alloy 347, offering superior resistance to high temperatures and corrosion. It’s ideal for demanding applications in industries like aerospace and chemical processing.
SS 347 rectangular pipe is a stainless steel pipe made from alloy 347, providing excellent resistance to high temperatures and corrosion. It’s used in structural and industrial applications requiring strength and durability.
SS 347 square pipe is a stainless steel pipe made from alloy 347, offering robust resistance to high temperatures and corrosion. Ideal for structural and industrial applications requiring strength and durability.
Stainless Steel 347 Pipes are widely used in industries requiring heat-resistant, corrosion-resistant, and durable piping solutions. They are ideal for boilers, heat exchangers, chemical processing equipment, power-generation machinery, and high-temperature fluid transport systems. The titanium-stabilized austenitic structure ensures long-term dimensional stability, mechanical reliability, and resistance to stress corrosion and oxidation. Engineers and technicians rely on 347 Pipes for safe, consistent, and efficient performance in demanding industrial applications. Walid Stainless guarantees that each pipe meets strict quality standards, providing dependable materials for chemical, power, and high-temperature industrial projects requiring exceptional strength and corrosion resistance.
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