... A234 WPB , ,GOST Standard:DIN , JIS, EN10253 elbow 45, 90,180 degree elbow Thichness : Sch 10--Sch 160Material :ASTM A234 WPA ... endSize1/2'---48" inch /DN15-DN 1200angles30,45,60.90.180.standard ANSI ,ASME ,API 5L , DIN , JIS ,BS ,GB Materials ... steel , alloy steel , stainless steel Type 45&90 LR/SR elbows , 180 degree returns , straight , reducing tees , caps , concetric and eccentric reducers ...