... 5. Material of hot dipped galvanized steel pipe: Q195, Q215, Q235, Q345 6. Standard: ASTM, ANSI, DIN, BS, GB 7. Specificaton ... -1214"355.60.8-1416"406.40.8-16MaterialQ195, Q215, Q235, Q345StandardGB/BS/ASTM/DIN/ANSITechnicalHigh-frequency WeldedSurfacelogo painted, oil, high ... under the ISO9001: 2000 strictly. ERW Hot Roll Galvanized Tube (Q235)