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Islamic Golden Age brass astrolabe Brass lectern with an eagle. Attributed to Aert van Tricht, Limburg (Netherlands), c. 1500.. Brass is an alloy of copper and zinc, in proportions which can be varied to achieve different colours and mechanical, electrical, acoustic and chemical properties, [1] but copper typically has the larger proportion, generally 66% copper and 34% zinc.
Gun metal, also known as red brass in the United States, is a type of bronze – an alloy of copper, tin, and zinc. Proportions vary but 88% copper, 8–10% tin, and 2–4% zinc is an approximation. Originally used chiefly for making guns, it has largely been replaced by steel for that purpose.
A comprehensive Wikipedia data page detailing the hardness levels of various elements.
Low-temperature, fairly free flowing. Narrow melting range. For ferrous and non-ferrous metals. For copper alloys, brass, nickel silver, bronze, mild steel, stainless steel, nickel, and Monel. Cadmium-free substitute of BAg-2a. Moderate liquation, but can be exploited for bridging larger gaps. Pale yellow color. 30: 30: 40: Ag 45 Cu 30 Zn 25 ...
Copper alloys are metal alloys that have copper as their principal component. They have high resistance against corrosion. Of the large number of different types, the best known traditional types are bronze, where tin is a significant addition, and brass, using zinc instead. Both of these are imprecise terms.
The Unified Numbering System for Metals and Alloys (UNS) is an alloy designation system widely accepted in North America. Each UNS number relates to a specific metal or alloy and defines its specific chemical composition, or in some cases a specific mechanical or physical property. A UNS number alone does not constitute a full material ...
A big caveat: a Trump or Clinton follower does not a Trump or Clinton supporter make. In other words, this is not a scientific data set, and we’re not here to make big new proclamations about the American Voter. Mostly we’re just trying to scratch the itch of curiosity. Who is more likely to be a follower of Trump? Of Clinton?
Muntz metal (also known as yellow metal [1]) is an alpha-beta brass alloy composed of approximately 60% copper, 40% zinc and a trace of iron. It is named after George Fredrick Muntz , a metal-roller of Birmingham , England , who commercialised the alloy following his patent of 1832.