Ans: B
Steel containing up to 0.15% carbon is known as dead mild steel.
Solution:
Carbon steel is divided into three subgroups based on the amount of carbon in the metal.
Type of steel | Percentage of Carbon |
Low carbon steel / Mild steel | Up to 0.3% |
Medium carbon steel | 0.3–0.6% |
High carbon steel | more than 0.6% |
From the above classification, it is clear that steel containing up to 0.15 carbon is known as dead mild steel.
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