... 80" thickness:SCH10-SCH160 Material:carbon steel API 5L X52 pipeline steel bend--BGSize -- Seamless:from 1/2" to 24" ... JISB2311 JISB2312 JISB2313, BS, GB, ISOMaterial --Carbon steel --ASTM A234WPB,,A234WPC,A420WPL6. 20#,Q235,10#,20 ... 8,St.35.8 ASTM A333 GR.6 ; API 5L GRB, X60, X65, X42,X52, ASTM A860 ... ,316L,321. 1Cr18Ni9Ti, 00Cr19Ni10,00Cr17Ni14Mo2, etcAlloy Steel --ASTM A234 WP12,WP11,WP22,WP5,WP9,WP91 ...