... Certificate:ISO9001:2000 Material: carbon stee ,stainless steel ,forged carbon steel ,alloy Product DescriptionName CARBON STEEL SMLS PIPES Size ... DIN, EN, ISO, GB, SH AND HG Material Carbon, Stainless, Alloy Certificate API, ISO9001: 2000, CCS ... API SPEC 5L pipes, Casing Pipes, MATERIAL. Carbon Steel Tubes/Pipes ST 37, ASTM A106 Gr ... X52, X56, X60, X65, X70, X80 Carbon Steel Pipe (CS-PIPE00026)