State the composition and properties of Babbit metal.

State the composition and properties of Babbit metal.
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2 Answers

Answer :

Composition of Babbitt metal: It is a tin base white metal and it contains : Tin (Sn) - 88%,

Antimony (Sb) - 8% and Copper(Cu) -4%.

Properties of Babbit Metal: 

1) High thermal conductivity

2) Good Corrosion resistance

3) Soft & Nonmagnetic

4) High strength

5) Good Malleability

6) Good Ductility

7) Pleasing reddish colour

8) Easy to cast ,forged, rolled

9) Wear resistance

10) Good fatigue resistance

11) Light in weight
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Answer :

Composition:

Sn = 88%

Sb = 8%

Cu =4%

Properties:

i) It is silvery white, soft metal alloy.

ii) It has very low coefficient of friction.

iii) It has very high corrosion and wear and tear resistance.

iv) It can take high polish.

v) It does not tarnish easily

vi) It distributes the load uniformly.

Uses :

i) It is used for making engine bearing.

ii) It is also used as a common bearing metal in cast iron boxes.
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