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Nov 28

But when water bodies are accounted for, magnesium becomes the most abundant element on the surface of the earth. Suitably alloyed magnesium provides material with a wide range of mechanical properties. The modulus of elasticity of magnesium alloys may be taken as 6.5 million pounds per square inch (45 GPa) and the modulus of rigidity as 2.4 million pounds (16 GPa). Prof. Dr. Viktor Pocajt, CEOKey to Metals AG. Structures in the alloys are readily assembled by welding and by riveting. The commercially pure metal has a number of important nonstructural uses, for example, in pyrotechnics, as an alloying agent in nonferrous metallurgy, and in the cathodic protection of other metals against corrosion. It is our goal to constantly exceed our customer’s requirements for quality while maintaining on time delivery. M1A and AZ31B sheet are supplied as hot rolled, as cold rolled, and annealed. Such alloys are also more workable and easier to weld than pure aluminium. Parts in the alloys can be machined at higher speeds and at lower costs than in most other common metals. Of the extrusion alloys, only AZ80A is not extruded into hollow shapes or tubing. The principal wrought manufactures which are commercially available in magnesium alloys include sheet and other flat rolled products, extrusions (bars, rods, solid shapes, hollow shapes, and tubing), forgings, screw-machine stock, and impact extrusions. Magnesium alloys are also used in other industries where lightweight, sturdy alloy applications are crucial, such as in chainsaws and machinery parts, and in sporting goods like baseball bats and fishing reels. Also, the fact that a die-casting may be made of a magnesium-base composition and used in place of another material which is not suitable for the die-casting process may lead to substantial savings. Physical properties are available for a huge number of materials in the Total Materia database. Magnesium alloys weigh about 0.064 to 0.067 pound per cubic inch (1.75 to 1.85 grams per cubic centimeter) as against approximately 0.091 to 0.108 pound (2.5 to 3.0 grams per cubic centimeter) for aluminum alloys and 0.283 pound (7.8 grams per cubic centimeter) for steel. Keywords, Headings A final letter is arbitrarily assigned in alphabetical order to differentiate alloys which otherwise result in identical designations. The similar materials tab displays all materials that are similar to the original material and have physical properties inserted. For more specific values, follow the links immediately below. This can be very handy when looking for equivalent materials! Beer and soda cans don't have the same requirements as aerospace alloys, yet a small amount of magnesium is used in the aluminum alloy that forms these cans. Physical properties are displayed according to the origin of the data set. DataPLUS, a new module providing data subsets covering joints information, lubricants and coolants, material dimensions, tribology, and coatings information helps drive even more accurate material selections! The letters used to represent the alloying elements are given below: Date Published: Beer and soda cans don't have the same requirements as aerospace alloys, yet a small amount of magnesium is used in the aluminum alloy that forms these cans. For steel, this ratio is approximately 4.2 and for aluminum 1.6. Source: http://minerals.usgs.gov/minerals/pubs/commodity/magnesium/, The International Magnesium Association. M1A is used for various wrought manufactures including sheet, forgings, and extrusions. Mineral Commodity Summaries: Magnesium (2011). Properties of Magnesium Alloys Magnesium or its alloys are available in almost all the common forms in which metals are commercially used. The typical tab gives a generic overview of property data for the material for you to use as a useful starting point for further investigation. Terence Bell wrote about commodities investing for The Balance, and has over 10 years experience in the rare earth and minor metal industries. Total Materia has allowed us to solve in a definite way all problems we had for the search of alternate materials in foreign countries. Total Materia remains the only tool which will be used for this purpose. The specific gravity of magnesium is 1.74, making it the lightest structural metal. Corrosion resistance is achieved by enforcing very strict limits on three metallic impurities—iron, copper and nickel. Jan-2006, Full text This page shows summary ranges across all of them. Magnesium alloys are especially workable by hot forming methods. AZ91E magnesium is a magnesium alloy. The yield strength of the pure metal, as cast, is about 3,000 psi (20 MPa) with tensile strength of 12,000 psi (20 MPa), elongation of 6 per cent, and Brinell hardness of 30. Magnesium AZ31B alloy can be formed by preheating at 260°C (500°F). Magnesium was discovered as a unique element in 1808 by Sir Humphrey Davy but not produced in metallic form until 1831 when Antoine Bussy made magnesium during an experiment with dehydrated magnesium chloride. Material Properties of Magnesium Randy Beals (A) (A) Friendly Friendly Material Properties. Thanks to Total Materia we have issued real "international" specs for purchase of steels in foreign countries. USGS. Properties. © 2020 Key to Metals AG. The number of physical property data records is displayed in brackets next to the link. The strengths are increased substantially but with loss of elongation on aging. AZ6lA and AZ80A find use for extrusions. Their main disadvantage is low maximum working temperature (about 120°C for Mg-Al alloys). After World War II, magnesium production fell again as producers struggled to find economical methods to extract the metal in order to make its price competitive with the cost of aluminum.

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