This specification covers an aluminum alloy in the form of bars, rods, and wire in the "asfabricated (F) temper. When specified, product shall be supplied in the annealed (O) condition.
These products have been typically used for parts requiring forming and as stock for flash welded rings which are to be subsequently solution and precipitation heat treated, 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 solution and precipitation heat treatment; ARP 823 recommends practices to minimize such conditions.
These products have been typically used for parts requiring forming and as stock for flash welded rings which are to be subsequently solution and precipitation heat treated, 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 solution and precipitation heat treatment; ARP 823 recommends practices to minimize such conditions.
SAE AMS4186D History
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