Brass & Bronze Copper Casting Gallery
Brass Castings:
HuaDa foundry can produce precision castings using copper and a variety of copper-based alloy materials. Perhaps the most common are brass castings. Brass alloys, also known as “red-brass” or “yellow-brass” alloys, are mostly used in plumbing and door hardware due to their finishing and polishing qualities. Additionally, because U.S. environmental regulations have limited the allowable lead content in brass plumbing fixtures to minimize the leaching of lead particles into drinking water, the copper industry has developed a line of “EnviroBrass®” (SeBiLOY®) alloys that have all but eliminated lead, making them standard materials in the drinking water industry.
Bronze Castings:
Bronze, most often used in bearings and similar components, is also a copper-based alloy, and is a very adaptable material that offers a broad range of properties from a wide selection of alloys and compositions. All bronzes have similar compositions and properties, but it is the added elements (tin, lead, aluminum, manganese) which provide the desired performance for the environment in which the alloy is used. Tin, for example, provides added strength. Lead increases bronze’s lubricity, but results in a decrease in strength. Increased aluminum and manganese content creates an ideal bronze alloy for applications that require both corrosion resistance and high strength.
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