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About Copper, Brass and Bronze Alloys
Copper, brass and bronze alloys are non-ferrous metals with excellent electrical and thermal conductivity as well as good corrosion resistance, ductility and strength. Pure copper (Cu) is an unalloyed metallic element. Low alloy copper contains very small amounts of alloying elements such as aluminum and titanium. Brass, bronze, leaded brass, nickel silver, copper nickel, aluminum bronze, tin bronze and silicon bronze are examples of copper alloys. Many copper, brass and bronze alloys are hardened or strengthened with cold working processes, solution treating, precipitation hardening, or spinodal decomposition. These materials are easy to fabricate and available in a variety of finished, semi-finished, and hollow stock shapes. Examples include anodes, billets, blooms, coils, flats, foils, ingots, nuggets, plates, powders, sheets, shims, slabs, strips, and wires. Square, rectangular, hexagonal, spherical and tubular products are also available. Important specifications for copper, brass and bronze alloys include outside width or outer diameter (OD), overlength, overall thickness, and inner diameter (ID).
There are two basic types of copper, brass and bronze alloys: cast alloys and wrought alloys. Cast alloys are melted and then cast continuously, centrifugally, or statically into a mold. Wrought alloys are deformed mechanically during manufacturing in rolling, extrusion, or forging processes. Copper, brass and bronze alloys can also be fabricated through the pressing and sintering of copper powders. Often, materials such as lead, tellurium or other additives are used to improve chip breaking, which imparts free machining characteristics. Composite or reinforced materials with a matrix or continuous phase are also available. Typically, these products are reinforced with a secondary component in particulate, chopped fiber, continuous filament or fabric form.
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Engineering Web: Copper Brass and Bronze Alloys
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Copper.org: Copper Development Association - Information on... Free-Cutting Brass Copper and Brass Forgings COPPER.org Applications Architecture Design Handbook See Copper Development Association, Inc. Information |
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Copper Standards Copper Standards ASTM's copper standards are instrumental in classifying, evaluating, and specifying the material, chemical, See ASTM International Information |
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ASTM B694 -03 Standard Specification for Copper, Copper-Alloy,... See ASTM International Information |
