Chemical Composition Base Element Cu (Copper) Cu (Copper) 59 to 64.5 % Fe (Iron) 0.1 % (maximum) Pb (Lead) 1.3 to 2.3 % Zn (Zinc) 33.1 to 39.7 % (estimate) Balance Zn (Zinc) Other elements Rod: 61.0 Cu min Composition Note Zn 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 276 MPa Ultimate Tensile Strength 379 MPa Elongation 30 % strain Rockwell Hardness B scale 65 Other Information Material Class Nonferrous Alloy Country USA Description Extruded: 55,000 TS; 40,000 YS; 30 El; 65 HRB. For thread rolling, staking and bending. High leaded brass. Designation BOHNALLOY R63 Specification Type Manufacturer's Specification Specification Status Active Source Woldman's Engineering Alloys 9th ed. J. Frick Editor, ASM International 2000 Available forms Extrusion Similar Alloys Click here to find similar alloys Links Organizations Bohn Extruded Products Div.
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Chemical Composition