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Q. |
Which family of steels are referred to as chromoly? |
A. | 40xx |
B. | 41xx |
C. | 43xx |
D. | 44xx |
Answer» B. 41xx | |
Explanation: the family of 41xx steel is usually called as chromoly or chrome-moly due to its primary alloying elements, chromium and molybdenum. steels such as 4130 and 4140 are generally used for bicycle frames, and as parts of firearms, flywheels etc. |
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