Metals XIIVersion en ligne Metals classification par tekno TEKNESO 1 Properties of Ferrous Metals 2 Properties of Non ferrous metals They contain iron They are the most commonly used They are inexpensive to extract They need to be processed to produce pure iron They are used to make alloys They don't contain iron or just a little They’re rare and difficult to extract. They’re often expensive They’re classified by their density The can be heavy, light and ultralight
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