標(biāo)題: ASTM A 609-1991 碳素鋼,低合金鋼和馬氏體不銹鋼鑄件... [打印本頁(yè)] 作者: 兌水 時(shí)間: 2009-9-8 07:48 標(biāo)題: ASTM A 609-1991 碳素鋼,低合金鋼和馬氏體不銹鋼鑄件... A609/A609M-91(2002) Standard Practice for Castings, Carbon, Low-Alloy, and Martensitic Stainless Steel, Ultrasonic Examination Thereof