Engineering Materials
White metal contains

Silver and chromium
88% copper and 10% tin and rest zinc
63 to 67% nickel and 30% copper
Alloy of tin, lead and cadmium

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Engineering Materials
Steel contains

Elements like phosphorus, sulphur and silicon in varying quantities
50% or more iron
Alloying elements like chromium, tungsten nickel and copper
80% or more iron

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