... . Thickness: 0.2mm -60mm3. Steel Grade: Q195-Q345 Standard: GB/T 3091-2001, BS1387-1985, DIN EN10025, EN10219, ASTM SCH40, ASTMSCH804. Surface ... Wall thickness: 2.5 - 8.18mm3) Standard: ASTM, GB/T3091-2001 Out DiameterWall ThicknessLengthInchmm mm meter1/221.3mm 0.6mm-3 ... GB/T12770-2002, BS1387-1985, ASTM A-53, GB/T3091-2001 other standard pipe, complete product specifications.Exports to Europe, North ...