... ,machinary furniture,automobile,industry instrument,agriculture,etc.Hot Rolled CoilQ195,Q235,Q345ASTM,GB,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 ... -508mmUsed in oil & gas fieldsWelded Steel Pipe10#,20#,45#,Q195,Q215,Q235,Q345,etcGB,ASTM20-426mm,0.5-10mmMainly used in petroluem ...