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Q. |
Which one of the following contains maximum percentage of carbon? |
A. | Cast iron |
B. | Stainless steel |
C. | Wrought iron |
D. | High speed steel |
Answer» A. Cast iron | |
Explanation: Cast Iron is a hard, brittle, nonmalleable iron-carbon alloy, cast into shape, containing 2 to 4.5 percent carbon. Steels contain less than 2% and usually less than 1% carbon, while all cast irons contain more than 2% carbon. Most steel contains less than 0.35 percent carbon. Wrought iron is an iron alloy with very low carbon (0.04 to 0.08%) content. |
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