... GB3087-199910-426×2-40Low and medium pressure boiler superheater tube, boiling water pipe, pipe size locomotivealloy steeltubeCr5Mo ... -8816-824×2-100Petroleum, chemical, electric power, the boiler industry, high temperature, low temperature, corrosion SeamlessOil cracking ... furnace, heat exchange tubes, seamless pipesHigh Pressure Boiler Tube20G,SA106cST45.8/3GB5310-95ASTMA106-99DIN17175-7916-824× ...