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The company was first founded in 1880, when the Rothschild family combined some of their metals and mining interests into the Spanish company Peñarroya. Over the next century it specialized in extracting and processing non-ferrous metals, becoming one of the world leaders in mining extraction.
In metallurgy, non-ferrous metals are metals or alloys that do not contain iron (allotropes of iron, ferrite, and so on) in appreciable amounts.. Generally more costly than ferrous metals, non-ferrous metals are used because of desirable properties such as low weight (e.g. aluminium), higher conductivity (e.g. copper), [1] non-magnetic properties or resistance to corrosion (e.g. zinc). [2]
Iron metallurgy may have been independently developed in the Nok culture between the 9th century BCE and 550 BCE. [5][6] The nearby Djenné-Djenno culture of the Niger Valley in Mali shows evidence of iron production from c. 250 BCE. The Bantu expansion spread the technology to Eastern and Southern Africa between 500 BCE and 400 CE, as shown in ...
The French Engineering Works, or FEW, is a manufacturer, exporter and importer of High Speed Steel cutting tools. The firm was founded in Johannesburg, South Africa, in 1918 by Herman Moser to manufacture rock drill spares for the mining industry in Johannesburg. [1] The business diversified into manufacture of precision tools, and HSS cutting ...
South Africa produces more platinum and similar metals than any other nation. [22] In 2005, 78% of the world's platinum was produced in South Africa, along with 39% of the world's palladium . Over 163,000 kilograms (5,200,000 ozt) of platinum was produced in 2010, generating export revenues of US$3.82 billion. [ 24 ]
Electrowinning of copper. Non-ferrous extractive metallurgy is one of the two branches of extractive metallurgy which pertains to the processes of reducing valuable, non-iron metals from ores or raw material. [1][2][3] Metals like zinc, copper, lead, aluminium as well as rare and noble metals are of particular interest in this field, [4] while ...
Mittal Steel South Africa. ArcelorMittal South Africa is part of the steel company Arcelor-Mittal. [1][2] The company was originally Iscor Ltd., a South African parastatal steel company. It was founded in 1928 and was first listed on the JSE Securities Exchange in 1989.
24,016 (includes contractors) [1] Website. www.arm.co.za. African Rainbow Minerals Limited is a mining company based in South Africa. ARM has interests in a wide range of mines, including platinum and platinum group metals (PGMs), iron, coal, copper, and gold. [2] ARM's Goedgevonden coalmine near Witbank is a flagship of their joint venture ...