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Mechanical Engineering · Q243

Engineering Materials

Engineering and GATE · Mechanical Engineering · question 243

Q243

In high speed steels, manganese is used to tougher the metal and to increase its

A.
Yield point
B.
Critical temperature
Answer
C.
Melting point
D.
Hardness

Answer: Option B

Solution

Answer: Option B
Solution:
Manganese is used to
Increases hardenability, ductility and wear resistance.
Eliminates formation of harmful iron sulphides.
Austenite stabilizer.
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