ASTM-American society for Testing and Material(美國材料試驗協(xié)會)
ASTM A210 鍋爐和過熱器用中碳鋼無縫鋼管
A210-02-Seamless Medium-Carbon Steel Boiler and Superheater tubes#無縫鋼管##鋼管標準##鋼管加工##鋼管生產(chǎn)##ASTM#
A210-02-Seamless Medium-Carbon Steel Boiler and Superheater tubes.pdf