... industry,petroleum service,corrossion resistant,etc.High-pressure boiler pipe12Cr2MoWVTiB WB36 SA106 ST45.8GB5310-1995, ASTM A106 ... 19-275mmMainly used in petroluem,chemical,power,gas,water,shipbuiding,construction,etcLow & mid-pressure Boiler PipeCr5Mo, Cr9Mo, 15CrMo, 35CrMo, ... 426mm,0.5-10mmMainly used in petroluem,natrual gas and heating pipelineStainless Steel AngleSS400-SS540 Series ,ASTM 304/ ...