Q. Which of the following is high speed steel? (Solved)
1. T 55 Ni Cr 65 Mo 30
2. T 75 W 18 Co 6 Cr 4
3. T 10 Cr 5 Mo 75 V 23
4. T 75 W 18 Co 6 Cr 4 V 1 Mo 75
5. None of the above
- d. T 75 W 18 Co 6 Cr 4 V 1 Mo 75
1. T 55 Ni Cr 65 Mo 30
2. T 75 W 18 Co 6 Cr 4
3. T 10 Cr 5 Mo 75 V 23
4. T 75 W 18 Co 6 Cr 4 V 1 Mo 75
5. None of the above