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Technical Characteristics

Magnesium is an alloy consisting of 70% aluminum and 30% magnesium (nickel and copper are also present in small quantities). Magnesium is more corrosion-resistant than duralumin: it is inert to sulfuric acid, but reacts stably with hydrochloric, nitric and other inorganic acids. Magnesium is also soluble in concentrated aqueous alkali solutions. This and the high casting qualities of the alloy - no shrinkage and fluidity - have led to its practical use mainly in dental practice, especially in maxillofacial prosthetics, to correct defects and imperfections of the teeth, as well as for the placement of temporary dentures. Supplier Evek GmbH offers to buy Magnali of domestic and foreign production at an affordable price in a wide range. We provide delivery of products to any point of the continent. Price is optimal.

Physical properties of the alloy

• Density, ^kg/m3 - 2500;
• Melting Point, ⁰ C - 657;
• Coefficient of linear expansion in the temperature range of 0...¹⁰⁰⁰ С - 2.^34x10-6.

The main mechanical properties are

• ultimate tensile strength, MPa - 350;
• Relative elongation at tension, % - 15;
• Brinell hardness, HB - 90.

Mechanical processing

All types of magnalls are well machinable and polishable. The strength factor of the weld at gas welding for annealed material is 280 MPa. At spot welding the breaking load on a point reaches 300...400 kg (the lower values correspond to magnals with smaller thickness).

Production

A distinction is made between deformable and foundry magnalls. The first have a satisfactory ductility; in the process of deformation can harden to 380...400 MPa. They contain no more than 6...7% of magnesium and are supplied in sheets, strips and wires. Cast magnesium magnesium contains from 13% of magnesium and can be used for castings of complex configuration, but their relative elongation coefficient does not exceed 10...12%. Production of magnesium is governed by technical requirements of GOST 2685 (for foundry alloys) and GOST 4784- - for the deformable.

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