What is the material of brass alloy
Jul 03, 2022
Brass alloy is an alloy of copper and zinc. Brass with zinc as the main element of the copper alloy, with beautiful yellow, collectively referred to as brass. Copper zinc binary alloy is called ordinary brass or simple brass. Brass with more than three yuan is called special brass or complex brass. Brass alloys containing less than 36% zinc are composed of solid solutions and have good cold working performance. For example, brass containing 30% zinc is commonly used to make shell casings, commonly known as shell brass or seventy-three brass.
Brass alloys with zinc content between 36 and 42% are composed of and solid solutions, of which the most commonly used is hexagonal brass with zinc content of 40%. In order to improve the performance of ordinary brass, other elements are often added, such as aluminum, nickel, manganese, tin, silicon, lead and so on. Aluminum can improve the strength, hardness and corrosion resistance of brass, but reduce the plasticity, so it is suitable for Marine condensing tubes and other corrosion resistant parts. Tin can improve the strength of brass and corrosion resistance to seawater, so it is called naval brass, used for ship thermal equipment and propellers. Lead can improve the cutting performance of brass. This free cutting brass is often used as a clock part. Brass castings are often used to make valves and plumbing fittings. The fire hydrant explosion - proof crescent spanner commonly used in ships is cast from brass and aluminum.
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