1.

If a steel is designated as C80, which of the following statement is correct for it?

A. C ≡ plain carbon steel, 80 ≡ 80% Iron
B. C ≡ plain carbon steel, 80 ≡ 0.8% carbon
C. C ≡ tool steel, 80 ≡ 0.8% carbon
D. C ≡ tool steel, 80 ≡ 80% Iron
Answer» C. C ≡ tool steel, 80 ≡ 0.8% carbon


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