Alloys Stocks List
Symbol | Grade | Name | % Change | |
---|---|---|---|---|
RS | D | Reliance Steel & Aluminum Co. | -1.39 | |
TKR | D | Timken Company (The) | -1.26 | |
AME | D | AMETEK, Inc. | -0.53 | |
LYB | D | LyondellBasell Industries NV | -0.55 | |
SID | D | Companhia Siderurgica Nacional S.A. | 2.49 | |
KALU | D | Kaiser Aluminum Corporation | -1.19 | |
NUE | D | Nucor Corporation | -0.83 | |
CMCO | D | Columbus McKinnon Corporation | 0.57 | |
USAP | C | Universal Stainless & Alloy Products, Inc. | -2.58 | |
LXFR | C | Luxfer Holdings PLC | -0.32 |
Related Industries: Aerospace & Defense Aluminum Conglomerates Diversified Industrials Electronic Components Farm & Construction Equipment Industrial Metals & Minerals Medical Instruments & Supplies Metal Fabrication Oil & Gas Equipment & Services Specialty Chemicals Steel Tools & Accessories
Symbol | Grade | Name | Weight | |
---|---|---|---|---|
PSCM | C | PowerShares S&P SmallCap Materials Portfolio | 23.12 | |
XME | B | SPDR S&P Metals & Mining ETF | 19.62 | |
SLX | B | Market Vectors Steel Index ETF Fund | 16.44 | |
CRIT | B | Optica Rare Earths & Critical Materials ETF | 12.6 | |
PYZ | A | PowerShares Dynamic Basic Materials | 10.58 |
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- Alloys
An alloy is a combination of metals or of a metal and another element. Alloys are defined by a metallic bonding character. An alloy may be a solid solution of metal elements (a single phase) or a mixture of metallic phases (two or more solutions). Intermetallic compounds are alloys with a defined stoichiometry and crystal structure. Zintl phases are also sometimes considered alloys depending on bond types (see also: Van Arkel–Ketelaar triangle for information on classifying bonding in binary compounds).
Alloys are used in a wide variety of applications. In some cases, a combination of metals may reduce the overall cost of the material while preserving important properties. In other cases, the combination of metals imparts synergistic properties to the constituent metal elements such as corrosion resistance or mechanical strength. Examples of alloys are steel, solder, brass, pewter, duralumin, bronze and amalgams.
The alloy constituents are usually measured by mass percentage for practical applications, and in atomic fraction for basic science studies. Alloys are usually classified as substitutional or interstitial alloys, depending on the atomic arrangement that forms the alloy. They can be further classified as homogeneous (consisting of a single phase), or heterogeneous (consisting of two or more phases) or intermetallic.
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