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  1. Lima3

    4130 steel reference standard

    Hi Carlo, Look ASTM A 958, you can find mechanical propierties for 1020, 1025, 1030, ......4130, 4140, .....8625 and 8630. But, It`s good question, why you compare CF8M whit 4130?. Anyway, if you need mechanical propierties of 4130 Q & T, what it`s the HB?, On it depends all.
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