55nicrmov7 Steel Coil How Does Fatigue Strength Affect Die Life - China

55NiCrMoV7 steel coil is a high-quality alloy steel commonly used in mold manufacturing.

Its fatigue strength has a crucial impact on the life of the mold, as follows: During the working process, the mold will be subjected to frequent cyclic loads, such as impact and pressure during stamping and forging.

The high fatigue strength of 55NiCrMoV7 steel coil means that it can withstand more cyclic loads without fatigue cracks.

For example, in the stamping mold of automotive parts, the high fatigue strength can enable the mold to withstand tens of thousands of stamping cycles in long-term use without premature cracking, thereby extending the service life of the mold.

55NiCrMoV7 steel coil has a high fatigue strength and can slow down the expansion rate of these cracks.

Because the internal structure of the material is relatively dense and uniform, and the grain boundary bonding force is strong, the resistance encountered by the crack during the expansion process is relatively large.

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