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Materials and Construction-Data Intensity 2 :: Discussion
| 7. | Silico-manganese steels (containing 0.7% Mn, 0.5% C and 2% Si)_? | |
| A. | Do not require heat treatment for any of its applications | |
| B. | Are used for leaf and coiled springs | |
| C. | Do not have good resilience properties | |
| D. | Is tempered at 850�C | |
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