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1. |
What is the amount of silicon present in cast carbon steels? |
A. | 0.25% – 0.6% |
B. | 0.25% – 0.8% |
C. | 0.45% – 0.9% |
D. | 0.45% – 0.1% |
Answer» C. 0.45% ‚Äö√Ñ√∂‚àö√ë‚àö¬® 0.9% | |