... .5-5-10-12-14-16-18-20Mainly used in boiler pipe & welded pipeCold Rolled CoilQ195, Q215, Q235, Q275, ... chemical industry,petroleum service,corrossion resistant,etc.High-pressure boiler pipe12Cr2MoWVTiB WB36 SA106 ST45.8GB5310-1995, ASTM A106 ... petroluem,chemical,power,gas,water,shipbuiding,construction,etcLow & mid-pressure Boiler PipeCr5Mo, Cr9Mo, 15CrMo, 35CrMo, 12Cr1MoV, 10CrMo910, A335P11, A335P91 ...