OD: 8"- 80" WT: 0.24" -0.86" Steel Grade: Gr. A/B/C, X42-X80, Q235 Standard: ASTM, API, BS, JIS, GB, DIN Brand Name: YF SSAW STEEL PIPE SpecificationsChina StandardSteel GradeStandardseamless steel tubesand pipesfor structural purpose GB/T8162-199910, 20, 35, 45, 40Mn2, 45Mn2, 27SiMn, 20Cr, 40Cr, 20CrMo, 35CrMo, 38CrMoA1, 50CrV, 30CrMnSiASTM A500-98ASTM A501-98ASTN A519-98JIS G3441-1994JIS G3444- ...