High carbon steel contains more than _____________ percent carbon?
Correct answer: A. 0.5
- A. 0.5
- B. 2.2
- C. 2.5
- D. 2.8
Explanation
High-carbon steel is conventionally defined as steel containing more than about 0.5% carbon. Values above roughly 2.1% are generally classified as cast iron rather than steel.
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