... capped or as per customers requirement10) Certification: ISO9001.2000, API, Mill Test Certificate EN10204/3.1B 11) Third party ... ASTN A519-98 JIS G3441-1994 JIS G3444-1994Seamless steel tubes and pipes forliquid serviceGB/T8163-199910, 20, Q295, Q345ASTM ... A161-94Seamless steel tubesfor petroleum crackingGB9948-8610, 20, 12CrMo, 15CrMo, 1Cr2Mo, 1Cr5Mo, JIS G3441-1988 stainless seamless steel tube 300 ...