What is brass?

Brass is a butter yellow zinc and copper alloy, which has been produced for thousands of years in many parts of the world. Its use varies depending on the percentage of zinc and copper and which have been added to other metals to bring specific properties, but include cases of cassettes for weapons, pipes, weather accents, decorative household accents, musical instruments and household ornaments. The color of the alloy will also vary, depending on the amount of zinc: brass is a lighter color with another zinc and can achieve a light yellow stage. Alloys with even less zinc begin to turn red and sometimes called red brass. Other metals are sometimes added to the alloy to make the metal more feasible by machine, tin, arsenic and antimony to withstand corrosion and iron heavier and easier forge.

Talking about this metal is used a number of terms, including a "brass cartridge" and "Dutch brass" but in the United States Je Brass assigned a number below the uniform numbering system. All alloys are first determined by the letter C for copper, followed by five digits that provide specific information about this alloy. If the number starts with one to seven, the brass can be worn or forged, while the numbers starting with eight and nine apply to metals that can only be processed through a cast.

Bronze and bronze, a alloy made of copper and tin, was made for thousands of years, although brass was often made by accident. Early deliberate brass was actually made of Calamine mineral, which contains zinc. 200 BC, China distinguished between the two alloys and in 300 NL, Germany and the Netherlands became well known in Europe for their assignment. In 1746, the properties of zinc became more generally understood and England patented the technique of metal production in 1781. In 1852, it paved the way to early automatic weapons, as cassettes made of this metal alloy could be expanded to fill the end of the gun during the shooting andThen it decreased and then the contract.

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Commercial brass is usually painted to withstand corrosion because the metal is highly subject to corrosion. Care around the house should take into account this paint because you do not want to remove it by accident. Never use highly abrasive cleaning agents because they can scratch them. If you know it is lacquered, use a specialized varnish in very small quantities to put and heat the thin layer of protection on brass. For raw metal, clean with alcohol or very mild abrasive before climbing and shaking olive oil to withstand corrosion. If vinegar or ammonia is rising and the salt wipe them gently before climbing.