Which is better, brass or copper?
Brass and red copper exist in different forms, but because many people don’t know much about them, there are often such problems, such as “brass is better or red copper is better”. In different fields, brass and copper have their own advantages, and there is no better or worse.
Brass is an alloy of copper and zinc. If only by copper, zinc brass is called ordinary brass. Brass is often used in the manufacture of valves, water pipes, connecting pipes of internal and external units of air conditioners and radiators. Brass is a copper alloy with zinc as the main additive, which has beautiful yellow color. Copper zinc binary alloy is called ordinary brass or simple brass. Ternary brass is called special brass or complex brass.
Pure copper is copper, because its color is purplish Pure. Red copper is industrial pure copper, its melting point is 1083 ℃, no isomerism, relative density is 8.9, which is five times of magnesium. It is about 15% heavier than ordinary steel. It has rose red color and purple color after forming oxide film on its surface, so it is generally called red copper. It is copper containing certain oxygen, so it is also called oxygen copper.
The main differences between brass and red copper are density and use
The density of brass (8.93g/cm3) is used for lining mechanical bearing bush, which is wear-resistant. Brass castings are often used to make valves and pipe fittings. Common brass has a wide range of uses, such as water tank belt, water supply and drainage pipe, medal, bellows, serpentine pipe, condenser pipe, cartridge case and all kinds of stamping products and hardware with complex shapes. With the increase of zinc content, from h63 to H59, they can well withstand hot processing, and are mostly used in various parts of machinery and electrical appliances, stamping parts and musical instruments.
Pure copper, also known as red copper, has a density of 7.83g/cm3}, a melting point of 1083 degrees, and is non-magnetic. Good conductivity, thermal conductivity, corrosion resistance and toughness. Red copper is ductile. Pure copper, the size of a drop of water, can be drawn into two kilometers of filaments or rolled into almost transparent foil larger than a bed. The most valuable property of red copper is its excellent conductivity, second only to silver in all metals. But copper is much cheaper than silver, so it has become the “protagonist” of the electrical industry.
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