Sheet, strip, foil made of magnesium
Equivalent
Grade | analogue | W. Nr. | Aisi Uns | En | Order |
---|---|---|---|---|---|
Ma2-1 | Buy from stock, view availability |
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Magnesium strip, sheet are one of the most common types of magnesium mill-products. They are very workable — can be easily drilled, bent, cut, rolled, milled, pressed. Magnesium is not expensive and very lightweight material (volume weighth is 1.7 g/cm3). Cost of magnesium ingots currently amounts to 3 dollars per 1 kilogram. Magnesium possesses resistance in petrol, solutions of mineral oils, freon, kerosene. In alloy composition with other metals, magnesium differs with very high strength-to-density ratio and corrosion resistance.
Physical characteristics of Mg
Description | Identification |
Atomic (molal) weight mole/h | 24.3 |
Oxidation rate | 2 |
Density [g/cm3] | 1.738 |
Melting point | 650°С |
Melting heat kJ/mole | 9.2 |
Heat conductivity K [V/m*K] | 158 |
Evaporation heat kJ/mole | 131.8 |
Demerits
Difficulties that appear at melting, casting and hardening of alloy can relate to the demerits. Magnesium is easily oxidized. Magnesium fume can easily burst into flame.
Flat products
Magnesium sheets can have specified or multiple to specific length, which interval constitutes 500 mm. Magnesium sheets must be cut on all sides. At that, laminations and fins must not be present at edges. Magnesium sheet surface must not have oxide scales, flux slags, laminations, cracks, tears, lines of roughness. By material state, sheets are divided into two groups: annealed sheets and semi-hammer-hardened sheets.
Application
Such sheets are used in motor-vehicle engineering, especially at construction of sportive patterns. Magnesium sheets can significantly increase weight of vehicle construction without loosing of strength. This mill-product is also applied in serial automotive industry for manufacture of posts and protection of crankcase. There can be stamped hard wheel disks for prestige cars. Sheet and strip are used in air-craft industry: in helicopter and air-plane engineering. There can be also manufactured fairings, parts of airframes, stabilizers, chassis.
Magnesium plate
Magnesium plate is used by many modern industries, primarily in air-craft and motor-vehicle engineering. Pure magnesium is lightweight. But it is not very hard material. It assumes a strength in alloy with other metals. Against this background, the most successful is alloy of magnesium and aluminium. Plate made of magnesium is very workable.
Manufacture
Usually, magnesium plates are manufactured with a thickness of 12−50 mm. By width of 1000 mm, standard length constitutes1, 1,2, 1,6, 1,8, 2,0, 2,5, 3,0 m. There is possible die-cutting of plates with other sizes in accordance with customer’s needs.
Quality
Magnesium plate with a thickness of up to 32 mm must be cut in the ends and fens. Thicker plates are made with mill edges. Defects are acceptable at edges and fens. Plate surface undergoes additional anticorrosion processing.
Application
Usually, such plates are used along with other metals (most frequently with aluminium).They have high strength-to-density ration and softness. They are virtually indispensable in helicopter, airship and air-craft engineering: for manufacturing the parts of plugs and racks of chassis, housings, stabilizers, stiffeners and similar fragments.
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