... ELBOWS MaterialsA234-WPB,A420-WPL6.A234-WP11 ,A234-WP5TechForgedCoonectionweldedHead codebevel the endSize1/2"---72"/DN15--DN1800Quality first classStandard ANSI ,ASME ,API ... 5L , DIN , JIS ,BS ,GB Materials carbon steel , alloy steel , stainless steel Type elbow series , flange,series ...