Q. Hard steel contains – (Solved)
1. 2 to 5 per cent carbon
2. 0.5 to 1.5 per cent carbon
3. 0.1 to 0.4 per cent carbon
4. 0.01 to 0.04 per cent carbon
- b. 0.5 to 1.5 per cent carbon
1. 2 to 5 per cent carbon
2. 0.5 to 1.5 per cent carbon
3. 0.1 to 0.4 per cent carbon
4. 0.01 to 0.04 per cent carbon