[国外标准] ASTM A426/A426M-08
[国外标准] ASTM A426/A426M-05 Standard Specification for Centrifugally Cast Ferritic Alloy Steel Pipe for High-
[国外标准] ASTM A426/A426M-02 Standard Specification for Centrifugally Cast Ferritic
[国外标准] ASTM A426-92(R2002)