... ,decoration,machinary furniture,automobile,industry instrument,agriculture,etc.Seamless Steel PipeCr5Mo, Cr9Mo, 15CrMo, 35CrMo, 12Cr1MoV, 10CrMo910, A335P11 ... conventional weapons:the barrel, shells and so on.Structural Steel PipeCr5Mo, Cr9Mo, 15CrMo, 35CrMo, 12Cr1MoV, 10CrMo910, A335P11 ... oil wellsERW Steel PipeQ195-Q345ASTM, GB0.8-12mm,19-275mmMainly used in petroluem,chemical,power,gas,water ...