ADMIRALTY METAL Meaning and
Definition
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Admiralty metal is a type of non-ferrous alloy that is primarily composed of copper, with small amounts of tin and zinc. Also known as admiralty brass, it is valued for its high corrosion resistance, excellent thermal conductivity, and superior workability. Admiralty metal derives its name from its historical use in the construction of naval vessels in the admiralty, or naval headquarters.
The composition of admiralty metal typically consists of approximately 70% copper, 29% zinc, and trace amounts of tin. The addition of tin enhances the metal's resistance to corrosion in seawater, making it ideal for marine applications. Admiralty metal exhibits exceptional resistance to stress corrosion cracking, which is crucial in withstanding the harsh conditions of marine environments.
Due to its high thermal conductivity, admiralty metal is commonly used for tubing in heat exchangers, condensers, and other applications where efficient heat transfer is essential. Its malleability and ductility allow the metal to be easily formed, soldered, and brazed, further adding to its versatility.
Admiralty metal meets the requirements of various industry standards, including ASTM B111 and ASTM B543, ensuring quality and performance in applications such as shipbuilding, offshore structures, power plants, and chemical processing.
In summary, admiralty metal is a copper-based alloy that combines corrosion resistance, thermal conductivity, and workability. Its name pays homage to its historical use in naval vessels, while its properties make it indispensable in marine and heat transfer applications.
Common Misspellings for ADMIRALTY METAL
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Etymology of ADMIRALTY METAL
The term "admiralty metal" refers to a specific group of alloys commonly used for marine applications due to their corrosion-resistant properties. The etymology of the term can be traced back to the British Royal Navy's need for a durable and seawater-resistant material for shipbuilding during the 18th century.
The British Admiralty, responsible for the management and administration of the Royal Navy, sought to find a suitable replacement for the traditional copper sheathing used on the bottoms of ships. Copper sheathing helped protect the hull from marine organisms but was expensive and susceptible to corrosion. The Admiralty required a more cost-effective and durable solution.
In 1779, a new family of alloys was developed by the British metallurgist, Sir George Baker. These alloys were initially named "Baker's metal" or "clock metal" due to their use in clockmaking.
Similar spelling words for ADMIRALTY METAL
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