Shanghai Metal Corporation

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     Modern plumbing systems are made up of brass tubes. Brass tubes are durable and heavy-duty. Copper content in brass compounds generate brownish and yellowish shade in brass tubes. On the other hand, zinc content enhances grain structure of brass metals. The strength of brass tubes depend on their zinc content. Stronger tubes have higher levels of zinc. Most brass manufacturers place large amount of zinc in brass tubes and pipes.
 
    Aside from copper and zinc, brass tubes are made up of lead, iron, tin, arsenic, and antimony. Lead enhances durability and pressure-capacity of brass pipes. Iron improves their solidity. In the United States, most manufacturers add iron in metal mixtures to reduce grain structure of brass metals. Brass metals with small grain structures are harder and stronger. Moreover, tin, arsenic, and antimony prevents oxidation on brass metals. This makes brass tubes rust-resistant. Brass pipes barely tarnish over time.
 
   Brass tubes are manufactured in factories. Brass metal production has four phases. These are melting, hot rolling, cold rolling, and final rolling. During initial melting, copper and zinc are mixed together. After solidification, brass compounds undergo another series of melting process. They are fed in steel rollers. Steel rollers flatten and smoothen brass surface. Oxidized parts are taken off surface of brass metals. During final rolling, brass metals are inserted in cylindrical shapers. Cylindrical shapers mold metals into tubes and pipes.

 

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