... Seamless alloy steel pipe 1.Surface:bright and black painting 2.Material:P5, P11, P91, P22, T91, 12Cr1MoVG ASTM A335 P91 Seamless alloy steel pipe1. Alloy steel pipe ... , Cr2Mo, Cr5MoDIN13CrMo44, 16CrMo44, 25CrMo4, 34CrMo4, 42CrMo4, 10CrMo910AISIAISI4130, AISI4135, AISI41402. . Carbon seamless steel pipe SizeDiameter:1/2inch to 32inchThickness: sch5 to schxxsSurfaceGalvanized or coatedTechniqueCold ...