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Hardening of 4140
2

Hardening of 4140

Hardening of 4140

(OP)
Hi, what impact on fatigue life would through hardening have on 4140 steel?

RE: Hardening of 4140

2
In general, with all other things equal, there is a direct correlation between tensile strength and fatigue limit for steels. As the tensile strength increases, the fatigue limit will increase.

Below is a web site that has various technical articles on fatigue (see "Effect of Metallurgical Variables on Fatigue". I believe you will find it informative on this subject;

http://www.key-to-steel.com/default.aspx?ID=Articles#p10

RE: Hardening of 4140

(OP)
Top link thanks

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