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Duralumin sheet differs adaptability, ease of installation, durability. Inferior to aluminum in corrosion resistance. To eliminate this, the surface of the sheet planiruetsya pure aluminum. To hardening — heat treatment used. Due to the annealing increases the ductility. Compared with steel alloys, such sheet is much easier, cheaper, more simply mounted.
Rental duralumin sheet is regulated GOST 14838−78, chemical composition — GOST 4784−97, the control of structure — GOST 24231−80. The alloy is alloyed with copper (4,4%), magnesium (1.5%) and manganese (0,5%). Copper and magnesium contributes to hardening alloy. Manganese, grinds structure, increases strength and resistance to corrosion. Iron and silicon in the composition of aluminum is an inevitable impurity. Iron is considered a harmful impurity, reduces the strength and ductility. Silicon to a certain extent smoothes the harmful effects of iron. Prolongatory sheet is marked H2; annealed — M; with normal plating — A. the plate has a flat, smooth surface without defects, cracks, traces burn or stains of pollution. Valid traces of broach.
example of marking
Sheet D16 naturally aged and hardened with normal plating is indicated as Д16АТ. Salaciously sheet D16 naturally aged and hardened — D16T. Naturally aged and hardened leaves D16 with thickened and technological plating, respectively: Д16УТ, Д16БТ. Refined and full hard sheet — ВД1НР.
Leaves D16 are applied to the skin of the fuselage of aircraft, internal furnish of interiors of vessels of sea and river fleet. The VD1 alloy grade is easily welded, high durability. Used in the production of both external structures and internal fragments of aircraft, sports cars, and also for road signs, street signs.
Get acquainted with the range, specify main features, advantages, the use parameters products you can on our website. The company «_" represents an infinite range of non-ferrous metal. Carried out both wholesale and retail deliveries.
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A wide range of semi-finished products made of aluminum are always available in stock, LLC «_". Products made of aluminum, presented on our site, are offered at the price of the manufacturer without including the additional cost and affordable way of placing order and choosing the most suitable shipping option will ensure maximum comfort to the buyer. A huge variety of semi-finished products of non-ferrous alloys we will pick up the necessary variant for the solution of any most complex production tasks.