Silico-manganese steels (containing 0.7% Mn, 0.5% C and 2% Si) – McqOptions

MCQOPTIONS

1.	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.
C.	do not have good resilience properties.
D.	is tempered at 850 C.
Answer» C. do not have good resilience properties.

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