... heat pipe, header, steam pipes in the conditions that working pressure larger than 9.8MPa,tempureture between 540 to 650 degrees ... steel strip bundled.General boiler pipe for the low-meduim pressure is mainly used to manufacture water-wall tube, boiling water ... arch pipe and tubes.High Pressure Boiler Tube is mainly used to manufacture high-pressure and high pressure boiler superheater tubes, reheater ...