Detailed Product Description Description:1) Steel grade: ST33, ST37, S185,SS330, Q195, Q215, Q235 2) Size: 33.7-508mm (1''-20'') x 2.0-16mm 3) Standard: ASTM A53, JISG, DIN1626/2-2458,GB/T3091-2001 4) Supply ability: 20,000MT/month 5) Marking: as per customers' requirements 6) Galvanizing is available according to clients' requests