1) Elbow steel 20 2)Material:Carbon steel 3)Size:1/2- ... ,180 degree elbow 5)WT:sch10-xx Elbow steel 20 WeldedSeamlessNominal SizeDN250-DN1800DN15-DN700Wall ThicknessSTD,XS,XXS,SCH10,SCH20, ... 1.0D, 1.5D, 2.0D, 2.5D, 3D,4D,5D,6D,7D-40D.Bending Angle30°45°90°180°StandardASMEANSI ... ,SUS304L,SUS316,SUS316L,SUS321Alloy steel:PA22,PA23,PA24,PA25,PL380GB10#,20#,20G,23g,20R,Q235,16Mn, 16MnR,1Cr5Mo, 12CrMo, 12CrMoG ...