... ,DIN834.5-5-10-12-14-16-18-20Mainly used in boiler pipe & welded pipeCold Rolled CoilQ195, Q215, Q235, Q275, Q345ASTM ... ,GB,JIS,DIN0.4-1.9mm, 1000/1250mmWidely used in construction, furniture ... -Q235GB,ASTM20-165mm,0.5-16mmWidely used in the construction,pipe of industrial,water pipe,fence equipment,telecommunication tubes as well as ...