1)size"1/2"to72" 2)standard:ASME,JISB,GOST,etc 3)material:carbon steel 4)wt:sch10-sch160 5)API,ISO,CE,etc pipe fitting 90degree LR elbow carbon steel sizeSeamless:from 1/2" to 24"Welded:from 24" to 96"( or as customer requirements)degree22.5 deg, 30deg,45 deg,90 deg,180 deg,1.0D, 1.5D, 2.0D, 2.5D, 3D,4D,5D,6D,7D-40D.thicknessSCH10,SCH20,SCH30,STD SCH40,SCH60, XS, SCH80., SCH100,SCH120, SCH140, ...