Türkçe~26MnCrNiMo 6-5-4
- 1.2738 mod TS ( 280-325 HB)
- 1.2738 mod TS (HH) (310-355 HB)
| Chemical Composition (%) | C | Si | Mn | S | P | Cr | Ni | Mo | V |
| % Distribution | 0,26 | 0,10 | 1,45 | 0,002 | 0,015 | 1,25 | 1,05 | 0,60 | 0,12 |
| Thermal Conductivity ( W/ m.K ) | 20°C | 350°C | 700°C |
| 17,2 | 21,0 | 24,7 |
| HEAT TREATMENT | |||
| Tempature(°C) | Time (Hour) | Cooling Environment | |
| Soft Annealing | 680-720 | 2-5* | Furnace |
| Stress Relief Annealing | 560-600 | 2* | Furnace |
| Hardening | 850-880 | - | Oil, Hot bath 180-220°C, Air |
| Tempering | 620-650 | 1 hour for every 20 mm | Air |
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