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deep-hardening steel

См. также в других словарях:

  • 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

  • Case hardening — or surface hardening is the process of hardening the surface of a metal, often a low carbon steel, by infusing elements into the material s surface, forming a thin layer of a harder alloy. Case hardening is usually done after the part in question …   Wikipedia

  • Bokaro Steel City — Infobox Indian Jurisdiction native name=Bokaro type=city latd = 23.67|latNS=N|longd=86.15|longEW=E state name=Jharkhand district=Bokaro country=India altitude=210 population as of = 2001 population total = 497000 population density = 8760 area… …   Wikipedia

  • Korea, North — Introduction Korea, North Background: Following World War II, Korea was split with the northern half coming under Communist domination and the southern portion becoming Western oriented. KIM Chong il has ruled North Korea since his father and the …   Universalium

  • Hang (musical instrument) — Hang (2nd generation 2007) 53 cm in diameter and 24 cm high. A Hang (pronounced [haŋ], with vowel sound between those of the words hot and hungry) is a musical instrument in the idiophone class created by PANArt in Switzerland.[1] The Hang is… …   Wikipedia

  • Forest of Dean — This article is about the historic Forest. For the local authority, which covers a wider area, see Forest of Dean (district). The view north towards Ross on Wye from Symonds Yat Rock, a popular tourist destination in the Forest The Forest of Dean …   Wikipedia

  • aluminum processing — Introduction       preparation of the ore for use in various products.       Aluminum, or aluminium (Al), is a silvery white metal with a melting point of 660° C (1,220° F) and a density of 2.7 grams per cubic centimetre. The most abundant… …   Universalium

  • Jominy test — a method for determining the hardenability of steel. The Jominy test is covered by BS 4437:1987. A standard test piece 25 mm x 100 mm is heated to a pre determined temperature and quenched by a jet of water sprayed onto one end. When the specimen …   Mechanics glossary

  • metallurgy — metallurgic, metallurgical, adj. metallurgically, adv. metallurgist /met l err jist/ or, esp. Brit., /meuh tal euhr jist/, n. /met l err jee/ or, esp. Brit., /meuh tal euhr jee/, n. 1. the technique or science of working or heating metals so as… …   Universalium

  • hand tool — any tool or implement designed for manual operation. * * * Introduction  any of the implements used by craftsmen in manual operations, such as chopping, chiseling, sawing, filing, or forging. Complementary tools, often needed as auxiliaries to… …   Universalium

  • Blade — For other uses, see Blade (disambiguation). Knife blades A blade is that portion of a tool, weapon, or machine with a cutting edge and/or a pointed tip that is designed to cut and/or puncture, stab, slash, chop, slice, thrust, or scrape animate… …   Wikipedia

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