... alloy steels, stainless steel, and more. TypeElbowSizeSeamless elbow:1/2"~24" DN15~DN600Welded Elbow: 1/2”~100" DN15~DN2500Wall thicknesssch10, sch20, ... , sch120, sch140, sch160, xxs, std,sch5s, sch20s, sch40s, sch80sStandardsANSI, ASTM,DIN, JIS, BS, ISO, GB, SH, AND HG etc MaterialCarbon ... WP 347-347HLow-temperature steel: ASTM/ASME A402 WPL 3-WPL 6High performance: ASTM/ASME A860 WPHY 42-46-52-60-65 ...