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Material
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