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    Which alloy is used in foreign coins?

    Question #90470. Asked by SPLENDOUR. (Dec 30 07 4:52 AM)


    deercountry

    		Alloys: A mixture of two or more metals.

    Mixing copper with other metals produces alloys of different colours. 184,000 tonnes of copper were used for the first production of the eight new Euro coins.

    The €1 coin has a golden coloured outer ring made of an alloy called nickel brass. This is 75% copper, 20% zinc and 5% nickel. The centre is silver coloured made from nickel coated with an alloy of 75% copper and 25% nickel.

    The €2 is similar with the alloys reversed;
    the 10, 20 and 50 cent coins contain 89% copper and the 1, 2 and 5 cents are copper-coated steel.

    http://resources.schoolscience.co.uk/CDA/11-14/biology/copch31pg3.html

    Dec 30 07, 1:41 PM
    Baloo55th

    		All depends on the country concerned. There's no standard alloys for coinage.

    Dec 30 07, 3:57 PM

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