[国外标准] ASTM A297/A297M-97(R1998) Standard Specification for Steel Castings, Iro
[国外标准] ASTM A297/A297M-97(2003) Standard Specification for Steel Castings, Iron-Chromium and Iron-Chromium-
[国外标准] ASTM A297/A297M-08
[国外标准] ASTM A297/A297M-07 Standard Specification for Steel Castings, Iron-Chromium and Iron-Chromium-Nickel
[国外标准] ASTM A297-297M-97(R1998) Standard Specification for Steel Castings, Iro