Chemical Composition Base Element Al (Aluminum) Al (Aluminum) 94 % (estimate) Cu (Copper) 4.4 % Mg (Magnesium) 0.7 % Mn (Manganese) 0.6 % Si (Silicon) 0.3 % 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 414 MPa Ultimate Tensile Strength 483 MPa Elongation 13 % strain Brinell Hardness 135 Other Information Material Class Nonferrous Alloy Country United Kingdom Description Heat treated: 70,000 TS; 60,000 YS; 13 El; 135 HB; For rivets, fittings, hardware. High strength, age-hardenable, good fatigue strength. Designation BIRMETAL-477 Specification Type Manufacturer's Specification Specification Status Obsolete Source Woldman's Engineering Alloys 9th ed. J. Frick Editor, ASM International 2000 Available forms Wrought Similar Alloys Click here to find similar alloys Links Organizations Birmetals Ltd. (Birmabright Works)
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Chemical Composition