Brass is among the few metals that are easy to work and mix with other metals. Made by combining copper and zinc, it is essentially an alloy, but other metals can still be added to the mixture to form variations of it. Each brass variant possesses unique qualities that are needed for highly specific applications.
One variant of brass that has gained popularity over the years that it’s been widely utilized for marine applications is the naval brass. This alloy consists of around 60% copper, 39.2% zinc, 0.75% tin, and a trace amount of lead. Such a combination results in a super-brass, with properties not found in other variants.
The Inclusion of Tin
Tin is a soft, silvery-white metal that doesn’t easily oxidize or corrode. The natural oxide film on its surface allows it to resist corrosion from both seawater and tap water. Like other metals, however, tin is not invulnerable to strong acids, alkalis, and acid salts. But since it is highly resistant to corrosion, it is widely used as plating or coating for food containers or anything that requires exposure to oxygen-containing substances. Read more from this article: http://www.rotaxmetals.net/understanding-the-metalworking-processes-that-make-naval-brass/.
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