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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 | |