List of some important alloys

March 20, 2018

S.N	Name of alloys	Composition of the alloy
1.	Brass	Cu + Zn – used for condenser, cartridge, etc.
2.	Bronze	Cu + Sn (20%) – used for machine parts, utensils, coins, etc.
3.	German silver	Cu + Zn + Ni – used for planes, ornaments, etc.
4.	Rolled gold	Cu +Al
5.	Bell metal	Cu + Sn (20%) – used for bells, gongs, etc.
6.	Invar (alloyed steel)	Fe + C + Ni (36%) – used for watch dials.
7.	Nickel steel	Fe + C + Ni (3.5%)
8.	Chrome steel	Fe + Cu + Cr (1.5-2%)
9.	Constantant (heater wire)	Cu + Ni + Cr (2%)
10.	Nichrome (heater wire)	Cr + Ni – used for electrical apparatus.
11.	Monel metal	Cu + Ni + Mn –used for acid containers.
12.	Gun metal (gun barrel)	Cu + Sn (10%) +Zn (2%) – used for guns, gears, etc.
13.	Solder	Pb (50%) + Sn (50%) – used for soldering.
14.	Silver solder	Cu + Zn +Ag
15.	Spiegeleisen	Fe + C (6%) + Mn (15%)
16.	Stainless steel	Fe + Cr (12%) + Ni (2%)
17.	Molybdenum steel	Fe + C + Mo (0.3-8%)
18.	Electron	Mg + Zn – used for wings of aeroplane.
19.	Wood’s metal	Bi + Pb + Sn + Cd
20.	White metal	Sn (82%) + Sb (12%) + Cu (6%) – used for table ware.
21.	Tool steel	Steel + Ti + V + W
22.	Type metal	Pb + Sb + Sn – used for printing type.
23.	Rose metal	Bi (50%) + Sn (28%) + Pb (22%) – used for electric fuses.
24.	Britannia metal	Sn (90%) + Sb (8%) + Cu (2%) – used for spoons, forks.
25.	Coinage silver	Ag (90%) + Cu (10%)
26.	Silver solder	Ag (63%) + Cu (30%) + Zn (7%)
27.	Dental alloy	Ag (33%) + Hg (52%) + Sn (12.5%) + Cu (2%) + Zn (0.5%)
28.	Silver palladium	Ag (40%) + Pd (60%)
29.	Alnico	Al (20%), Ni (20%), Co (10%) and Fe (50%) – used for permanent magnet.
30.	Magnallium	Al (90%) and Mg (10%)
31.	Manganese steel	Fe (86%) + Mn (13%) + C (1%)
32.	Tungsten steel	Fe (94%) + W (5%) + C (1%)
33.	Silicon steel	Fe (85%) + Si (15%)
34.	Babbit metal	Sn (90%) + Sb (7%) + Cu (3%) – used for bearings of machines.