Chemical Composition Base Element Al (Aluminum) Al (Aluminum) 93.4 % (estimate) Cu (Copper) 4.3 % Mg (Magnesium) 0.7 % Mn (Manganese) 0.8 % Si (Silicon) 0.8 % Balance Al (Aluminum) Composition Note Al is listed as a Balance element for this material, but its % value is not listed in the specification. The value shown is a calculated one. Mechanical Properties Yield Strength 6.47e6 lbf/ft^2 Ultimate Tensile Strength 9.19e6 lbf/ft^2 Elongation 18 % strain Vickers Hardness 2.46e7 lbf/ft^2 Other Information Material Class Nonferrous Alloy Country United Kingdom Description Sheet and strip: 440 MPa TS; 310 MPa YS; 18 El; 120 HV (TB condition). AA 2014. Designation BIRMETAL BMB 478 Specification Type Manufacturer's Specification Specification Status Obsolete Source Woldman's Engineering Alloys 9th ed. J. Frick Editor, ASM International 2000 Available forms Sheet, Strip Similar Alloys Click here to find similar alloys Links Organizations Birmetals Ltd. (Birmabright Works)
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Chemical Composition