Engineering Board Exam Reviewer · Engineering Materials · easy
Steel is basically an alloy of:
- Iron and carbon (up to about 2.1% C)
- Iron and chromium only
- Iron and copper
- Iron and more than 4% carbon
Answer
A. Iron and carbon (up to about 2.1% C)
Solution
Above about 2.1% C the alloy is classified as cast iron.
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