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Mechanical Engineering · Q3

Manufacturing And Production Technology

Engineering and GATE · Mechanical Engineering · question 3

Q3

Stellite preserves hardness up to a temperature of

A.
350°C
B.
500°C
C.
900°C
D.
1100°C
Answer

Answer: Option D

Solution

Answer: Option D
Solution:
Stellite alloys are composed of various amounts of cobalt, nickel, iron, aluminium, boron, carbon, chromium, manganese, molybdenum, phosphorus, sulfur, silicon, and titanium. Stellite preserves hardness up to a temperature of 1100°C