Competitive Exams: Alloys

Name

Composition

Use

Brass

Cu (60% to 80%), Zn (40 to 20%)

For making household utencils

Bronze

Cu (75 to 90%), Sn (25 to 10%)

For making coins, idols, utencils

German Silver

Cu (60%), Zn (25%), Ni (15%)

For making utencils

Magnelium

Mg (5%), Al (95%)

For making aircraft frame

Rolled Gold

Cu (90%), Ni (10%)

For making cheap ornaments

Monel metal

Cu (70%), Ni (30%)

For making alkali resistant containers

Bell metals

Cu (80%), Sn (20%)

For making bells

Gun metal

Cu (85%), Zn (10%), Sn (5%)

Used for engineering purpose

Solder

Sn (50 − 75%), Pb (50 − 25%)

Soldering of metals

Duralium

Al (95%), Cu (4%), Mg (0.5%), Mn (0.5%)

In aircraft manufacturing

Steel

Fe (98%), C (2%)

For making nails, screws, bridges

Stainless Steel

Fe (82%) Cr, Ni (18%)

for making cooking utencils, knives