標題: ASTM A 757-2000 低溫下承壓設備及其它設備用鐵素體和馬氏... [打印本頁] 作者: 兌水 時間: 2009-9-9 07:46 標題: ASTM A 757-2000 低溫下承壓設備及其它設備用鐵素體和馬氏... A757/A757M-00 Standard Specification for Steel Castings, Ferritic and Martensitic, for Pressure-Containing and Other Applications, for Low-Temperature Service