Galvanizing Engineer Question: Download Questions PDF
Tell us what Are The Chemical Composition Of Gun Metal, German Silver And Duralumin?
Answer:
Gun metal is an alloy of 88% copper, 10% tin and 2% zinc. It is generally used for casting boiler fittings, bearings ,bushes etc.
German silver is an alloy of copper, nickel, tin and led. It is used for making utensils and resistances in electrical work.
Duralumin is the aluminium alloy contains 3.54.5% copper,0.40.7% magnesium,0.40.7% manganese and remaining aluminium .Mainly used for making bars, tubes, rivets, sheets ,forgings and stampings.
German silver is an alloy of copper, nickel, tin and led. It is used for making utensils and resistances in electrical work.
Duralumin is the aluminium alloy contains 3.54.5% copper,0.40.7% magnesium,0.40.7% manganese and remaining aluminium .Mainly used for making bars, tubes, rivets, sheets ,forgings and stampings.
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