Chemical Composition Base Element Cu (Copper) Al (Aluminum) 1.3 to 2.5 % Cu (Copper) 56 to 61 % Fe (Iron) 0.5 to 1.5 % Mn (Manganese) 0.2 to 3 % Ni (Nickel) 2 % (maximum) Pb (Lead) 0.8 % (maximum) Si (Silicon) 0.8 % (maximum) Sn (Tin) 0.5 % (maximum) Zn (Zinc) 27.9 to 42 % (estimate) Balance Zn (Zinc) 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 274 MPa Ultimate Tensile Strength 588 MPa Elongation 10 % strain Brinell Hardness 140 Other Information Material Class Nonferrous Alloy Country Germany Description Hard: 85,300 TS; 39,800 YS; 10 El; 140 HB; For ship propellers, hardware, bolts, valve stems, fittings. High strength and corrosion resistance. Designation DELTA II Specification Type Manufacturer's Specification Specification Status Active Source Woldman's Engineering Alloys 9th ed. J. Frick Editor, ASM International 2000 Available forms Casting Similar Alloys Click here to find similar alloys
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Chemical Composition