butt welded fittings materials:ASTM A234,SS304,304L,SS316,316L,C22.8,WPB Dimension:ANSI/ASMEB16.9,DIN 2605,DIN2615,DIN2616,DIN2617,JIS B2311,JIS B2312,SGP Specifications:elbow,tee,reducer,cross,cap,bend,lap joint stub end,weldolet