high-hardness steel

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• High speed steel — (often abbreviated HSS, sometimes HS) is a material usually used in the manufacture of machine tool bits and other cutters. It is often used in power saw blades and drill bits. It is superior to the older high carbon steel tools used extensively… …   Wikipedia

• high-speed steel — noun an alloy steel that remains hard at a red heat; used to make metal cutting tools • Syn: ↑hot work steel • Hypernyms: ↑tool steel * * * noun : an alloy tool steel which when heat treated retains much of its hardness and toughness at red heat… …   Useful english dictionary

• high carbon steel — A very hard steel, as opposed to plain carbon steel. Hypereutectoid steels containing more than 0.8% carbon. Such steels consist of iron carbide (cementite) and pearlite when slow cooled. They are capable of being heat treated to high hardness,… …   Dictionary of automotive terms

• high speed steel — noun Abbreviated HSS. A kind of tool steel, invented in the early 20th century, which retains its hardness and temper at high temperatures (at which previous kinds of tool steel would soften), thus allowing cutters made from it to be employed at… …   Wiktionary

• high speed steel — this term was derived from the fact that it is capable of cutting metal at a much higher rate than carbon tool steel and continues to cut and retain its hardness even when the point of the tool is heated to a low red temperature. Tungsten is the… …   Mechanics glossary

• 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

• Steel — For other uses, see Steel (disambiguation). The steel cable of a colliery winding tower …   Wikipedia

• steel — /stil / (say steel) noun 1. iron in a modified form, artificially produced, containing a certain amount of carbon (more than in wrought iron and less than in cast iron) and other constituents, such as chromium, molybdenum, etc., and possessing a… …  

• steel — I. noun Etymology: Middle English stele, from Old English stȳle, stēle; akin to Old High German stahal steel and perhaps to Sanskrit stakati he resists Date: before 12th century 1. commercial iron that contains carbon in any amount up to about 1 …   New Collegiate Dictionary

• high-speed — /ˈhaɪ spid / (say huy speed) adjective 1. operating, or capable of operating at a high speed. 2. Photography (of film) usable with low illumination and short exposures. 3. (of steel) especially hard and capable of retaining its hardness even at… …  

• Tool steel — Iron alloy phases Ferrite (α iron, δ iron) Austenite (γ iron) Pearlite (88% ferrite, 12% cementite) …   Wikipedia