| Message: | Description: (Super) Duplex Stainless Steel.Standard: ASTM A789: Seamless and Welded Ferritic/Austenitic Stainless Steel Tubing for General ServiceASTM A790: Seamless and Welded Ferritic/Austenitic Stainless Steel Pipe......Features：1.Excellent general and local corrosion resistance, especially stress corrosion, pitting corrosion, crevice corrosion, corrosion fatigue and abrasion & corrosion.2.Good weldability3.Good comprehensive mechanical properties4.Excellent intergranular corrosion resistance5.High cost-effectiveness, long life timeMain steel grades: S31803, S32250, S32750, S32760, S31500, S32304, S32550Specifications: O.D.: 6.0∼1200mm; W.T.: 1∼150mm; L: 5.8m; 11.8m; 12m or above. Modified specifications according to customer requirements.Technology: Hot Rolled, Cold Drawn & Cold Rolled.Chemical Composition and Mechanical Properties:UNSChemical composition(%)Mechanical propertiesC≤CrNiMoCuNTensile strength ≥ksi(MPa)Yield strength ≥ksi(MPa)Elongation of the gauge 2in or 50mm,≥%S315000.0318.0-19.04.50-5.252.5-3.0...0.05-0.1092（630）64（440）30S323040.0321.5-24.53.0-5.50.05-0.600.05-0.600.05-0.2087（600）65(450)25S318030.0321.0-23.04.5-6.52.5-3.5...0.08-0.2090(620)58(400)25S322050.0322.0-23.04.5-6.53.0-3.5...0.14-0.2095(655)65(450)25S325500.0424.0-27.04.5-6.52.9-3.91.5-2.50.10-0.25110(760)70(485)15S327500.0324.0-26.06.0-8.03.0-5.0≤0.50.24-0.32116(800)80(550)15S327600.0524.0-26.06.0-8.03.0-4.00.5-1.00.20-0.30109(750)80(550)25 url:http://www.jgspecail.com |
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