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galvanizing process

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См. также в других словарях:

  • galvanizing — Protection of iron or steel against exposure to the atmosphere and consequent rusting by application of a zinc coating. Properly applied, galvanizing may protect from atmospheric corrosion for 15–30 years or more. If the coating is damaged, the… …   Universalium

  • process —    A complex operation involving a number of methods or techniques, such as the addition and subtraction processes in sculpture, the etching and intaglio processes in printmaking, or the casting or constructing processes in making jewelry. Also… …   Glossary of Art Terms

  • high-build galvanizing — A galvanizing process in which extremely heavy zinc coatings are applied …   Dictionary of automotive terms

  • spin galvanizing — A hot dip galvanizing process for small objects. The objects are immersed into the molten zinc in a perforated basket which, once the coating forms, is centrifuged at high speed so that the spinning action throws off the surplus zinc and ensures… …   Dictionary of automotive terms

  • Sendzimir process — A continuous strip galvanizing process, named after its inventor. The strip is wound from a coil while the oil or grease adhering to it is removed by oxidation. It is then annealed, and the oxides are reduced by ammonia, after which it is cooled… …   Dictionary of automotive terms

  • Hot-dip galvanizing — is a form of galvanization. It is the process of coating iron or steel with a thin zinc layer, by passing the steel through a molten bath of zinc at a temperature of around 860 °F (460 °C). When exposed to the atmosphere, pure zinc reacts with… …   Wikipedia

  • Vapor galvanizing — Va por gal va*niz ing (Metal.) A process for coating metal (usually iron or steel) surfaces with zinc by exposing them to the vapor of zinc instead of, as in ordinary galvanizing, to molten zinc; called also {Sherardizing}. Vapor galvanizing is… …   The Collaborative International Dictionary of English

  • Sendzimir process — (named after Tadeusz Sendzimir) is used to galvanize a steel strip by using a small amount of aluminum in the zinc bath and producing a coating with essentially no iron zinc alloy. The process guarantees high resistance and durability… …   Wikipedia

  • steel — steellike, adj. /steel/, n. 1. any of various modified forms of iron, artificially produced, having a carbon content less than that of pig iron and more than that of wrought iron, and having qualities of hardness, elasticity, and strength varying …   Universalium

  • Galvannealed — or Galvanneal, Is the result from the combined process of galvanizing and annealing the steel. The galvanization is made through the hot dipping (Hot dip galvanizing) process and gives a very fine greyish matte finish. Galvanneal does not flake… …   Wikipedia

  • Companhia Siderúrgica Nacional — Companhia Siderurgica Nacional (CSN) Type Sociedade Anônima Traded as BM F Bovespa …   Wikipedia

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