... )Size:1/2-144 inch 4)45,90,180 deg elbow 5)WT:sch10-xxs pipe fitting asme b16. ... 9 steel elbow WeldedSeamlessNominal SizeDN250-DN1800DN15-DN700Wall ThicknessSTD,XS,XXS,SCH10,SCH20 ... ,SCH80,SCH160,ETCBending RadiusLR30,45,60,90,180 SR30,45,60,90,180 1.0D, 1.5D, 2.0D, ... 4D,5D,6D,7D-40D.Bending Angle30°45°90°180°StandardASMEANSI B16.9,ANSI B16.28,MSS SP75DINDIN2605,DIN2615, ...