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'GUN METAL' is the alloy of
1. Sn + Pb + Sb
2. Cu + Sn + Zn
3. Sn + Pb
4. Cu + Zn + Ni

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Correct Answer - Option 2 : Cu + Sn + Zn

Gunmetal, also known as red brass, is a type of bronze an alloy of copper, tin, and zincProportions vary by source, but 88% copper, 8-10% tin, and 2-4% zinc is an approximation

  • It was used mainly for making guns and bullets. Now it is superseded by Steel.
  • Gunmetal is used extensively for making heavy machinery parts as it can withstand high pressure and is corrosion resistant.

Alloy Metals
Brass Copper, Zinc (Cu + Zn)
Bronze Copper, Tin (Cu + Sn)
Steel Iron, Carbon (Fe + C)
Invar Iron, Nickel (Fe + Ni)
Electrum Gold, Silver (Au + Ag)
Nickel silver Copper, Zinc, Nickel (Cu + Zn + Ni)
Gun Metal Copper, Tin, Zinc (Cu + Sn + Zn)
Fuse Wire Lead, Tin (Pb + Sn)
Alnico Aluminium, Nickel, Cobalt, Iron (Al + Ni + Co)
Type metal Lead, tin and antimony (Pb + Sn + Sb)
Solder Tin, lead (Sn + Pb)
Magnalium Aluminium, Magnesium (Al + Mg)

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