metall Grundlagen erklärt

heavy metal - a metal of relatively high density (specific gravity greater than about 5) or of high relative atomic weight (especially one that is poisonous like mercury or lead)Subsequent developments include the production of early forms of steel; the discovery of sodium—the first light metal—in 1809; the rise of modern alloy steels

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Fascination Ãœber metall

The most common metal rein use for electric power transmission today is aluminium conductor steel reinforced. Also seeing much use is all-aluminum-alloy conductor. Aluminium is used because it has about half the weight of a comparable resistance copper cable (though larger diameter due to lower specific conductivity), as well as being cheaper. Copp

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