... A Certificate:ISO9001:2000 Material: carbon stee ,stainless steel ,forged carbon steel ,alloy Product DescriptionName CARBON STEEL SMLS PIPES Size 1/8'' to 24 ... ANSI, JIS, DIN, EN, ISO, GB, SH AND HG Material Carbon, Stainless, Alloy Certificate API, ISO9001: 2000, CCS Packing wooden cases ... tubes/ pipes, API SPEC 5L pipes, Casing Pipes, MATERIAL. Carbon Steel Tubes/Pipes ST 37, ASTM A106 Gr B; A53 ...