CAST IRON

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FIELD : metallurgy.SUBSTANCE : cast iron contains, wt % : carbon 3.2-3.6; silicon 1.5-1.9; manganese 0.5-1.5; chrome 0.3-0.5; copper 0.5-1.0; barium 0.003-0.008; rare-earth metals 0.05-0.1; antimony 0.004-0.008; sodium 0.0001-0.0002; nickel 2.4-2.9; arsenic 0.004-0.008; selenium 0.004-0.008; iron - the rest.EFFECT : cast iron alloys high corrosion resistance.1 tbl