1. Iron alloys: steels and cast irons
1.1 Advantages of iron
Iron and its alloys occupy a major place in industrial materials, with world production of around 750 million tonnes, while other metals combined account for only around 40 million tonnes. Iron is widely available, and its price per unit mass, like that of ordinary steels, is the lowest of all metals. Moreover, steel recycling is highly organized: in France, around 8 million tonnes of recovered scrap were reused, out of a total crude steel production of 17 million tonnes (1996).
the word steel comes from the Latin acies: point, cutting edge; siderurgy from the Latin sidus: star, due to the discovery of meteoritic iron, probably the first iron used by man (this usual explanation is controversial);...
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Iron alloys: steels and cast irons
Aluminum alloys
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