Percentage increase of carbon in steel ,decreases its--

Q. Percentage increase of carbon in steel ,decreases its–

A

Strength

B

Brittleness

C

Ductility

D

Hardness

Solution:

Percentage increase of carbon in steel ,decreases its ductility.
But brittleness, strength and hardness of steel increases with increase in carbon content.
Cast iron has the highest percentage carbon and mild steel lowest.

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