... , alloy steels, stainless steel, and more. TypeElbowSizeSeamless elbow:1/2"~24" DN15~DN600Welded Elbow: 1/2”~100" DN15~DN2500Wall thicknesssch10, sch20, sch30 ... , sch120, sch140, sch160, xxs, std,sch5s, sch20s, sch40s, sch80sStandardsANSI, ASTM,DIN, JIS, BS, ISO, GB, SH, AND HG etc MaterialCarbon steel ...