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MAM6415C - Steel, Bars, Forgings, and Tubing, 0.80cr 1.8ni 0.25mo (0.38 0.43)

Details
Document Number: MAM6415C
Revision Number: C
Title
Steel, Bars, Forgings, and Tubing, 0.80cr 1.8ni 0.25mo (0.38 0.43)
Scope
This specification covers an aircraft-quality, low-alloy steel in the form of bars, forgings, mechanical tubing, and forging stock procured in SI (Metric) units. AMS 6415 is the inch/pound version of this MAM. These products have been used typically for parts, 90 millimeters and under in nominal thickness at time of heat treatment, requiring a through-hardening steel capable of developing a minimum hardness of 40 HRC when properly hardened and tempered and also for parts of greater thickness but requiring proportionately lower hardness, 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.
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