1 connection:welding 2 OD:1/2"-48" 3 WT:SCh5-Sch160,XXS 4 Standard:ASME/GB/JIS/DIN carbon steel pipe fittings elbow sch40 Product name90 Degree Carbon Steel Elbow,large size elbowOD1/4"-48"Wall thicknessSch5-Sch160,xxsStandardASME/A NSI/DIN/GB/EN/SH/GD/Metarial Carbon steel10#,15#,20#,30#,45#,Q195,Q235,Q345,16Mn,GRADE :A/B/C/D1010, 1012 ,1025-1060, 045M10 ,095M10 ,050A200 ,60A30, 060A35S10C, S15C ...