... application :(1) general boiler tube is mainly used to manufacture water-wall tubes,boiling water pipe, tube, boiler superheated steam locomotive ... high pressure and ultrahigh pressure boiler superheater and reheater tube tube, airway, main steam pipe, etc.If need , ... :(1) general boiler tube is mainly used to manufacture water-wall tubes,boiling water pipe, tube, boiler superheated steam locomotive ...