T/CAS ES015508001-2022 Rules for quality grading and evaluating of industrial products—Welded steel pipe for pipeline transportation systems on petroleum and natural gas industries-submerged-arc longitudinal welded(SAWL)pipe (English Version)
2022T/CAS ES015508001-2022 Rules for quality grading and evaluating of industrial products—Welded steel pipe for pipeline transportation systems on petroleum and natural gas industries-submerged-arc longitudinal welded(SAWL)pipe