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Base metal information


A base metal is a common and inexpensive metal, as opposed to a precious metal such as gold or silver.[1] In numismatics, coins often derived their value from the precious metal content; however, base metals have also been used in coins in the past and today.[2]

  1. ^ Oxford dictionary definition of "base metal"[dead link] oxforddictionaries.com.
  2. ^ "Introduction to Numismatic Terms and Methods". numismatics.org. Archived from the original on 20 October 2021. Retrieved 20 October 2021.

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Base metal

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A base metal is a common and inexpensive metal, as opposed to a precious metal such as gold or silver. In numismatics, coins often derived their value...

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Metal

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and non-ferrous metals; brittle metals and refractory metals; white metals; heavy and light metals; and base, noble, and precious metals. The Metallic elements...

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Brazing

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protected by a suitable atmosphere, usually a flux. It then flows over the base metal (in a process known as wetting) and is then cooled to join the work pieces...

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White metal

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The white metals are a series of often decorative bright metal alloys used as a base for plated silverware, ornaments or novelties, as well as any of several...

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List of named alloys

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This is a list of named alloys grouped alphabetically by base metal. Within these headings, the alloys are also grouped alphabetically. Some of the main...

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Metal clay

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Metal clay is a crafting medium consisting of very small particles of metal such as silver, gold, bronze, or copper mixed with an organic binder and water...

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Metal foam

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The defining characteristic of metal foams is a high porosity: typically only 5–25% of the volume is the base metal. The strength of the material is...

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Alloy

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at least one of which is a metal. This is usually called the primary metal or the base metal, and the name of this metal may also be the name of the...

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Filler metal

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that of the base metal, and which may form a eutectic alloy with the base metal. Filler alloys have a lower melting point than the base metal, so that the...

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Kushan coinage

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30–375 CE), the main coins issued were gold, weighing 7.9 grams, and base metal issues of various weights between 12 g and 1.5 g. Little silver coinage...

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Britannia metal

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development of electroplating with silver in 1846, Britannia metal was widely used as the base metal for silver-plated household goods and cutlery. The abbreviation...

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Gas metal arc welding

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Gas metal arc welding (GMAW), sometimes referred to by its subtypes metal inert gas (MIG) and metal active gas (MAG) is a welding process in which an...

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Shielded metal arc welding

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contact with the workpiece by a very light touch of the electrode to the base metal. The electrode is then pulled back slightly. This initiates the arc and...

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Coinage metals

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Achieving this goal typically necessitates the use of base metal alloys. In addition, some metals, such as manganese, are unsuitable as they are too hard...

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Kennedy half dollar

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scuttled the legislation, disliking the idea of depicting Eisenhower on a base metal coin. The dispute dragged on for over a year before President Nixon signed...

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Welding

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Metal welding is distinct from lower temperature bonding techniques such as brazing and soldering, which do not melt the base metal (parent metal) and...

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Heavy metal music

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Heavy metal (or simply metal) is a genre of rock music that developed in the late 1960s and early 1970s, largely in the United Kingdom and United States...

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Minor metals

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Minor metals is a widely used term in the metal industry that generally refers to metals which are a by-product of smelting a base metal. Minor metals do...

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Zamak

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(or Zamac, formerly trademarked as MAZAK) is a family of alloys with a base metal of zinc and alloying elements of aluminium, magnesium, and copper. Zamak...

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Smelting

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an ore to extract a desired base metal product. It is a form of extractive metallurgy that is used to obtain many metals such as iron, copper, silver...

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Chrysopoeia

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artificial production of gold, most commonly by the alleged transmutation of base metals such as lead. A related term is argyropoeia (from Ancient Greek ἀργυροποιία...

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Pewter

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and so on. Later in the century, pewter alloys were often used as a base metal for silver-plated objects. In the late 19th century, pewter came back...

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Eisenhower dollar

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dollar coin should be in base metal or 40% silver. In 1970, a compromise was reached to strike the Eisenhower dollar in base metal for circulation, and in...

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Heavy metals

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Heavy metals are generally defined as metals with relatively high densities, atomic weights, or atomic numbers. The criteria used, and whether metalloids...

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London Metal Exchange

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futures contracts and options on base metals. The exchange also offers contracts on ferrous metals and precious metals. The company also allows for cash...

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