vanadium steel
31Carbon steel — Iron alloy phases Ferrite (α iron, δ iron) Austenite (γ iron) Pearlite (88% ferrite, 12% cementite) …
32Wootz steel — Wootz is a steel characterized by a pattern of bands or sheets of micro carbides within a tempered martensite or pearlite matrix. It was developed in India around 300 BC [ [http://materials.iisc.ernet.in/ wootz/heritage/WOOTZ.htm IISC] ] . The… …
33High 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… …
34Chongqing Iron and Steel Company — Limited 重庆钢铁股份有限公司 Type State owned enterprise Industry Iron and steel manufacturing Founded 1938 …
35Nanjing Iron and Steel — Union Company Limited 南京鋼鐵聯合有限公司 Type Privately owned company Industry Steel manufacturing Founded 2003 Headquarters …
36Sharpening steel — or a honing steel is a rod of steel, up to one foot long, rounded in cross section, with longitudinal ridges, used for removing metal from the microscopic edge of blades. Sharpening steel is highly useful in sharpening knives, and scissors,… …
37Silver steel — is common tool steel in the UK that is supplied as a centerless ground round bar. It is roughly equivalent to drill rod in the US. The steel is defined under specification BS 1407, with the closest European equivalent being 1.2210 (although this… …
38high-speed steel — an especially hard, heat resistant steel for use in lathe tools and for other applications involving high friction and wear. [1925 30] * * * Alloy of steel introduced in 1900. It doubled or trebled the capacities of machine shops by permitting… …
39Microalloyed steel — is a type of alloy steel that contains small amounts of alloying elements (0.05 to 0.15%). Standard alloying elements include: niobium, vanadium, titanium, molybdenum, zirconium, boron, and rare earth metals. They are used to refine the grain… …
40Alloy steel — Al loy steel Any steel containing a notable quantity of some other metal alloyed with the iron, usually chromium, nickel, manganese, tungsten, or vanadium. [Webster 1913 Suppl.] …
