Important alloys, their compositions and their uses

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Important alloys, their compositions and their uses


Here is a list of Important alloys, their compositions and their uses that you should have a fair knowledge about if you are an aspirant of UPSC, SSC, or any other competitive exams.

Alloys:
– An alloy is a metallic intimately mixed solid mixture of two or more different elements, at least one of which is metal.
-They are homogeneous in molten state but they may be homogeneous or heterogeneous in solid state.

Alloys Compositions Uses
Brass Cu (70%) + Zn (30%) In making utensils
Bronze Cu (90%) + Sn (10%) In making coins, bell and utensils
German Silver Cu (60%) + Zn (20%) + Ni (20%) In making utensils
Rolled Gold Cu (90%) + Al (10%) In making cheap ornaments
Gun Metal Cu (88%) + Sn (10%) + Zn (1%) + Pb (1%) In making guns, barrels, gears and bearings
Delta Metal Cu (60%) + Zn (38%) + Fe (2%) In making blades of aeroplane
Munz Metal Cu (60%) + Zn (40%) In making coins
Dutch Metal Cu (80%) + Zn (20%) In making artificial ornaments
Monel Metal Cu (70%) + Ni (30%) For base containing container
Rose Metal Bi (50%) + Pb (28%) + Sn (22%) For making automatic fuse
Solder Pb (50%) + Sn (50%) For soldering
Magnalium Al (95%) + Mg (5%) For frame of aeroplane
Duralumin Al (94%) + Cu (3%) + Mg (2%) + Mn (1%) For making utensils
Type Metal Sn (5%) + Pb (80%) + Sb (15%) In printing industry
Bell Metal Cu (80%) + Sn (20%) For casting bells, statues
Stainless Steel Fe (75%) + Cr (15%) + Ni (10%) + C (5%) For making utensils and surgical cutlery
Nickel Steel Fe (95%) + Ni (5%) For making electrical wire, automobile parts

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