- pig iron grade
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• марка чугуна• сорт чугуна
Англо-русский словарь терминов металлургии и сварки. 2011.
Англо-русский словарь терминов металлургии и сварки. 2011.
Nickel pig iron — (NPI) is a low grade ferronickel invented in China as a cheaper alternative to pure nickel for the production of stainless steel. It is composed of low grade nickel ore, coking coal, and a mixture of gravel and sand as an aggregate. This mixture… … Wikipedia
Iron ore — Iron ores are rocks and minerals from which metallic iron can be economically extracted. The ores are usually rich in iron oxides and vary in colour from dark grey, bright yellow, deep purple, to rusty red. The iron itself is usually found in the … Wikipedia
Iron plantation — was a small scale iron production facility common in the South prior to the 1900s. It involved a process of smelting that produced an inferior grade of iron called pig iron that did not require a large scale industrial process to produce higher… … Wikipedia
iron processing — Introduction use of a smelting process to turn the ore into a form from which products can be fashioned. Included in this article also is a discussion of the mining of iron and of its preparation for smelting. Iron (Fe) is a… … Universalium
Wrought iron — is commercially pure iron. In contrast to steel, it has a very low carbon content. It is a fibrous material due to the slag inclusions (a normal constituent). This is also what gives it a grain resembling wood, which is visible when it is etched… … Wikipedia
Oregrounds iron — Statue of Louis de Geer (1587 1652) in Norrköping, Sweden. De Geer introduced the Walloon method to Sweden. Oregrounds iron was a grade of iron that was regarded as the best grade available in 18th century England. The term was derived from the… … 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
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
List of Chinese inventions — A bronze Chinese crossbow mechanism with a buttplate (the wooden components have … Wikipedia
Business and Industry Review — ▪ 1999 Introduction Overview Annual Average Rates of Growth of Manufacturing Output, 1980 97, Table Pattern of Output, 1994 97, Table Index Numbers of Production, Employment, and Productivity in Manufacturing Industries, Table (For Annual… … Universalium
Steel — For other uses, see Steel (disambiguation). The steel cable of a colliery winding tower … Wikipedia