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AMS6488H - Steel, Bars and Forgings 5.0Cr - 1.3Mo - 0.5V - (0.38 - 0.43C)

Document Number: AMS6488H
Revision Number: H
Steel, Bars and Forgings 5.0Cr - 1.3Mo - 0.5V - (0.38 - 0.43C)
This specification covers a low-alloy steel in the form of bars, forgings, and forging stock.

These products have been used typically for parts requiring a steel capable of through-hardening to a minimum hardness of 50 HRC in section thicknesses up to 12 inches (305 mm) with relatively high levels of strength, fatigue resistance, ductility, and thermal stability in service from -100 degrees to +1000 degrees F (-73 degrees to +538 degrees C), but usage is not limited to such applications.

Certain design and processing procedures may cause these products to become susceptible to stress-corrosion cracking after heat treatment; SAE ARP 1110 recommends practices to minimize such conditions.

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