Q. Which of the following temperatures represents the tempering temperature for C 30 steel? (Solved)
1. 1700?C
2. 100-150?C
3. 1400-1450?C
4. 550-660?C
5. 860-890?C
- c. 1400-1450?C
1. 1700?C
2. 100-150?C
3. 1400-1450?C
4. 550-660?C
5. 860-890?C