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Lead — heavy fusible metal is familiar to mankind since time immemorial. Surface oxide film gives it a remarkable resistance to corrosion. Unlike other non-ferrous metals it is very inexpensive and has excellent plasticity. Excellent electrical and antifriction quality chemical inertness, namagnichennosti, tightness for radioactive radiation — have allowed it to take its rightful place among structural materials in modern industry. The availability and reasonable price make it relevant in many industries. It is important that after disposal it can be used again.
Lead, a toxic metal. With prolonged contact it may cause skin lesions and mucous membranes, and internal organs, vascular spasm, spastic constipation, kidney damage. Especially the toxic fumes of the molten metal.
|Physical quality Pb|
|Atomic (molar) mass, g/mol||MYR 207.2|
|The melting temperature t°C||Of 327.5°C|
|The degree of oxidation||4, 2, 0|
|The thermal conductivity K [W/(m·K)]||35,3|
|Molar volume cm3/mol||18,3|
Deposits of lead are found everywhere. Mining and smelting of metal from ores not associated with technical difficulties. To improve the structural qualities he Legorreta: tin, copper, Nickel, antimony and other elements. Copper in the casting reduces the segregation to a minimum, improves durability in sulfuric acid solution. Arsenic increases the heat resistance of this low-melting metal, cadmium — corrosion resistance and tin — friction qualities. Magnesium, Nickel, sodium, strengthen the crystal lattice, give the alloy the wear resistance and durability.
Lead alloys are divided into: protective pigment, printing, rechargeable, military-technical and General purpose.
· Pigment: production of paints, glazes.
· Protective: waterproofing cables, manufacture of containers for chemical or radioactive substances, screens to absorb sound, vibration, penetrating radiation of nuclear facilities and medical x-rays.
· Printing: the production of the font and printing plates.
· Battery: manufacture of acid-alkaline batteries.
· Military-technical: casting of shot, bullets, buckshot.
· General purpose: the production of crystal, mirrors, solder, babbit, counterweight for balancing of wheels, weights, fishing sinkers.
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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High demand for the production of lead alloys is determined by the optimal combination of price and quality. A wide product range of semi-finished and convenient method of ordering will make a purchase from us as comfortable as possible. Full compliance of all products to requirements of normative documentation and presence of the quality certificates for each type of products guarantees long-lasting reliable performance of the ordered materials. Invariably high quality semi-finished products determines the constant trust of our customers.