Question

Give the composition, properties and uses of high phosphorous bronze.

Answer 1

High Phosphorous bronze
Composition:
Sn = 10-13% P = 0.4-1% Cu = Rest%
Properties:
1) Good Strength and resistance to corrosion under sea water.
2) It can be rolled or drawn into wires.
3) Abrasion resistant
4) Hard
5) Brittle
6) Low coefficient of friction.
Uses:
1) For springs, turbine blades, pumps, boiler fitting, bearing plates, spindle, for valves.
2) For gear wheels, side, valves, bearing, taps, bushes springs, turbine blades etc.