... ,welded,seamless 2.Material:carbon steel,stainless steel,alloy steel mitre elbow nonstandard elbowSizeSeamless elbow: 1/2"~24" DN15~DN600Welded elbow : 1/2"~100" DN15~ ... .B, X42,ASTM A860,ASTM A694,ASTM A420 WPL6, WPL3Stainless steel:ASTM A403 WP304, A403 WP304L, A403 WP316, A403 WP316L, ... WP321,ASTM A182 F 304, 304L,316, 316L,321, 904LAlloy steel: ASTM A234 WP12, A234 WP11, A234 WP22, A234 WP5,ASTM ...