... pipe & welded pipeCold Rolled CoilQ195, Q215, Q235, Q275, Q345ASTM,GB,JIS,DIN0.4-1.9mm, 1000/1250mmWidely used in construction, ... ,19-275mmMainly used in petroluem,chemical,power,gas,water,shipbuiding,construction,etcLow & mid-pressure Boiler PipeCr5Mo, Cr9Mo, 15CrMo, 35CrMo ... -165mm,0.5-16mmWidely used in the construction,pipe of industrial,water pipe,fence equipment,telecommunication tubes as well as ...