... .6mm 20.0mm Steel Grade: Q195-Q345, Specificationswe can supply GB/T 3091-2001, BS1387-1985, DIN EN10025, EN10219, ASTM SCH40 ... .0mmSteel Grade: Q195-Q345, S235JR, S275JR, S355JR, Gr. B-DStandard: GB/T 3091-2001, BS1387-1985, DIN EN10025, EN10219, ASTM SCH40 ... and thickness 1mm-2.3mm are also available. galvanized pipe properties