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Duralumin circle differs adaptability, ease of installation, durability. Inferior to aluminum in corrosion resistance. To correct this, the surface of the circle planiruetsya pure aluminum. To hardening — heat treatment used. Due to the annealing increases the ductility. Compared with steel alloys, such range is much easier, cheaper, more simply mounted.
The manufacture of duralumin circle of 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. Duralumin circle is easily processed and welded. Alloy brand V95 refers to increased strength of the rare metals. To improve chemical resistance of this alloy used in the cladding and anodic oxidation. Produce the circle: 1) without heat treatment and plating, 2) naturally aged and hardened, 4) without heat treatment from the technological plating, 3) naturally aged and hardened with technological or conventional plating, Surface after heat treatment must not have signs of burnout. Precision manufacturing is normal, the quality of surface finish standard.
circle brand V95 has a good plasticity, easy to be processed and welded by spot welding. After cladding with aluminum, greatly improves its corrosion resistance. A circle artificially aged and hardened denoted В95Т1.
CIRCLE D16 — plastic, well handled by the method of cutting. The corrosion resistance of plating is improved. Circle D16 well hardened by heat treatment, but reduced plasticity. Marking D16T means hardened and naturally aged alloy.
Manufacturer of prefabricated structures. Due to low weight and high specific strength, duralumin circle demanded in transport engineering, construction, where it can be operated under significant load in designs that work on compression. Compliance with the sanitary standards allows its use in the food industry,
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Huge selection on the website LLC «_" of metal, duralumin circle, designed for wholesale and retail customers. Convenient system of delivery and sincere attention to the customer will make a purchase from us as comfortable as possible, and the compliance of all semi-high standards of quality will be the guarantee of reliable operation of such products on any parts of the industrial complex. Various parameter of the products shown in our warehouse, you can easily find the necessary option to bring any of engineering ideas.