[国外标准] ASTM A322-91(R1996)
[国外标准] ASTM A322-91(2001)e1 合金钢棒材[1].级别
[国外标准] ASTM A322-91(2001)e1 Standard Specification for Steel Bars, Alloy, Standard Grades
[国外标准] ASTM A322-1991(2001)
[国外标准] ASTM A322-07