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ASTM A 304-2004
Standard Specification for Carbon and Alloy Steel Bars Subject to End-Quench Hardenability Requirements ***BEST AVAILABLE COPY***
Material Designation Chemical Composition (%)
1045H (H10450)
Min
Max
5120H (H51200)
Min
Max
5140H (H51400)
Min
Max
(H51450)
Min
Max
(H15411)
Min
Max
4118H (H41180)
Min
Max
4140H (H41400)
Min
Max
9310H (H93100)
Min
Max
8620H (H86200)
Min
Max
4320H (H43200)
Min
Max
For Reference Only