Türkçe90MnCrV8 / AISI: O2
| Chemical Composition (%) | C | Si | Mn | Cr | V |
| % Average | 0,90 | 0,25 | 2,00 | 0,35 | 0,10 |
| DIN Analysis | 0,85-0,95 | 0,10-0,40 | 1,80-2,20 | 0,20-0,50 | 0,05-0,20 |
| Thermal Conductivity ( W/ m.K ) | 20°C | 350°C | 700°C |
| 33,0 | 32,0 | 31,3 |
| HEAT TREATMENT | |||
| Tempature(°C) | Time (Hour) | Cooling Environment | |
| Soft Annealing | 680-720 | 2-5* | Furnace |
| Stress Relief Annealing | 600-650 | 2* | Furnace |
| Hardening | 790-820 | - | Yağ, 180-220°C |
| Tempering | 180-300 | 1 hour for every 20 mm | Air |
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