... B36.10M A53 carbon steel hot expanding pipe 1/Item:Carbon steel seamless pipe/Carbon steel seamless tube /ASTM A106 GRB ... Carbon steel seamless pipe/ASTM A53 GRB Carbon steel seamless pipe2/ Product detailsSpecification: ... , building, machinery, traffic, aviation, oil development etc.Appilcation:seamless pipe for low and medium pressure boiler,high prssure boiler,ship ...