... --BG Size:1/2"-80" thickness:SCH10-SCH160 Material:carbon steel API 5L X52 pipeline steel bend--BGSize -- Seamless:from 1/2" to 24" ,Welded: ... MSS SP-75 DIN2605 JISB2311 JISB2312 JISB2313, BS, GB, ISOMaterial --Carbon steel --ASTM A234WPB,,A234WPC,A420WPL6. 20#,Q235,10#,20#,A3, Q235A ... ; API 5L GRB, X60, X65, X42,X52, ASTM A860 WPHY 70, WPHY 65, WPHY 60, WPHY 52,WPHY 46,WPHY 42, etc .Stainless Steel ...