Leading 317 Stainless Steel Pipe Manufacturers in China
317 Stainless Steel Pipe is an austenitic, molybdenum-enhanced stainless steel alloy designed for superior corrosion resistance in aggressive environments. Available in seamless or welded forms, 317 stainless steel pipes offer excellent strength and durability, making them ideal for demanding applications such as chemical processing, pulp and paper production, and flue gas desulfurization systems. With enhanced weldability and compliance with standards like ASTM A312, 317 pipes provide a reliable solution for industries requiring robust performance under corrosive stress.
317 Stainless Steel Pipe Specifications
| Category | Details |
|---|---|
| Characteristics | Austenitic; 18-20% Cr, 11-15% Ni, 3-4% Mo; high strength, toughness; 317L (low carbon) resists sensitization. |
| Surface Treatment | Mill finish (annealed/pickled); optional polished (240-600 grit), brushed, passivated, or coated. |
| Dimensions and Specs | OD: ⅛”–24” (seamless), up to 100”+ (welded); Thickness: Sch 5S–XXS; Length: 6m or custom; ASTM A312, SA312. |
| Corrosion Resistance | Superior vs. pitting/crevice in chlorides/acids; PREN ~33-35; good up to 5% H₂SO₄ at 49°C; weak vs. nitric. |
| Mechanical Properties | Yield: ≥205 MPa; Tensile: ≥515 MPa; Elongation: ≥35%; Hardness: ≤95 HRB; non-magnetic (annealed). |
| Processability | Good formability (cold/hot); weldable (TIG/MIG, 317L filler); moderate machinability; annealing optional. |
| Applications | Chemical processing, pulp/paper, food/pharma, power generation, marine systems. |
| Standards | ASTM A312, A213, A358, A403; ASME SA312, SA213; UNS S31700/S31703; EN 1.4449/1.4438; NACE MR0175. |
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Choose the 317 Stainless Steel Pipe You Can Trust
Elevate your systems with 317 Stainless Steel Pipe! With superior corrosion resistance and strength, it’s perfect for chemical processing, pulp & paper, and marine applications. Contact us today to customize your ASTM A312-compliant solution—secure durability for tough environments now!
