Q272
Silico-manganese steels (containing 0.7% Mn, 0.5% C and 2% Si)
A.
Do not require heat treatment for any of its applications
B.
Are used for leaf and coiled springs
AnswerC.
Do not have good resilience properties
D.
Is tempered at 850°C
Answer: Option B
Solution
Answer: Option B
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