1,product name: carbon steel 2,Payment terms: L/C T/T 3,Delivery ... and long radius elbows. Usually, pipe elbows are made of carbon steels, alloy steels, stainless steel, and more. TypeElbowSizeSeamless elbow:1 ... , sch80sStandardsANSI, ASTM,DIN, JIS, BS, ISO, GB, SH, AND HG etc MaterialCarbon steel: ASTM/ASME A234 WPB,WPCAlloy steel: ASTM/ASME ...