Form: This specification covers a premium aircraft-quality@ low-alloy steel in the form of bars@ forgings@ and forging stock. Application: These products have been used typically for parts requiring through hardening to a minimum hardness of 50 HRC in section thicknesses up to 12 inches (305 mm) with a combination of high strength@ fatigue resistance@ ductility@ and thermal stability for operation in the range of -100 to +1000??(-73 to +538 ??@ 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; ARP 1110 recommends practices to minimize such conditions.
AMS6487J-2002由SAE - SAE International 发布于 2002-07-01,并于 2007-04-27 实施。
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