ASTM B686/B686M-25

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Anotácia textu normy ASTM B686/B686M-25 :

This specification covers aluminum-alloy high-strength castings in the following designations: A12010, A03540, A33550, A13560, and A13570. Castings covered by this specification are intended for use in airframe, missile, and other critical applications where high strength, ductility, and sound castings are required. Castings shall be classified by inspection classes: Class 1, Class 2, Class 3, and Class 4 and shall be specified as Grade A, Grade B, Grade C, or Grade D based on radiographic quality. Requirements for the casting process, chemical composition analysis, preproduction sample, radiographic soundness and mechanical property control (including foundry control and acceptance procedure), heat treatment, tensile testing, and dimensions are detailed. The castings shall conform to the chemical composition prescribed for silicon, iron, copper, manganese, magnesium, zinc, titanium, and aluminum, and to the specified mechanical properties such as tensile strength, yield strength and elongation.

Keywords:

aluminum, high strength, sand casting,, ICS Number Code 77.150.10 (Aluminium products)