The main materials include Q235A, Q345B, 20 #, 45 #, 35crmo, 42crmo, 16 manganese, and 16 manganese capacity. Generally, cold rolled sheets can be used for rolling pipes, etc. The product execution standards are: GB/T50205-2001, GB/T3092-2001, etc. Coiled pipes are widely used in petroleum, chemical, natural gas transportation, pile driving, urban water supply, heating, gas supply and other projects
