Khaleed Stainless is a trusted manufacturer and supplier of Stainless Steel 347 Pipes based in Riyadh, Saudi Arabia. These pipes are celebrated for their exceptional resistance to intergranular corrosion and their ability to withstand high temperatures, making them perfect for critical applications in industries like chemical processing, aerospace, and energy. Stainless Steel 347 is a stabilized austenitic stainless steel that boasts impressive weldability and durability when faced with thermal stress. Khaleed Stainless offers these pipes in a variety of dimensions and specifications to meet both industrial standards and the unique needs of customers across Saudi Arabia and the broader Middle East.
The composition of Stainless Steel 347 Pipes includes iron, 17–20% chromium, and 9–13% nickel, with columbium (niobium) added for stabilization. This stabilization helps prevent carbide precipitation during welding, which in turn enhances corrosion resistance in the heat-affected zones. The alloy exhibits a tensile strength ranging from approximately 515 to 750 MPa, delivering outstanding mechanical performance even at elevated temperatures. Notably, 347 stainless steel is non-magnetic in its annealed state and retains its structural integrity during thermal cycling, making it well-suited for high-pressure and high-heat applications.
| 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 % |
Contact us to get a quick quote for your requirement.
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.
You’ll find Stainless Steel 347 Pipes commonly used in heat exchangers, furnace components, refinery piping, exhaust manifolds, and pressure vessels. Their ability to resist oxidation and intergranular corrosion makes them ideal for high-temperature, high-stress environments, such as those found in chemical processing plants, aerospace systems, and power generation facilities. These pipes are also perfect for welded constructions that demand strength and corrosion protection at elevated temperatures. With Stainless Steel 347, you can count on long-term reliability, excellent weldability, and stability even under fluctuating thermal conditions.
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