OHNS / CW1
OHNS / CW1
STANDARDS : AFNOR 90MWCV5
| Standards | O1 | DIN 2510 | AISI O1 | AFNOR 90MWCV5 | JIS SKS3 |
OHNS O1 cold work steel is an equivalent of DIN 2510. The grade AISI O1 tool steel is an oil-hardening, non-shrinking tool steel and has a good cutting edge retention, high hardenability and dimensional stability during heat treatment.
Physical Properties
| Thermal Conductivity at °C | W / (m*K) |
|---|---|
| 20 | 33.4 |
| 350 | 32.1 |
|---|---|
| 700 | 31.1 |
Heat Treatment
| Soft annealing °C | 750-780 |
|---|---|
| Cooling | Furnace |
| Hardness HB | max. 230 |
|---|---|
| approx. 670-720 | Furnace |
| Stress-relief annealing °C | approx. 650 |
|---|---|
| Hardening °C | 780-820 |
| Quenching | Air, Oil, Salt Bath 180-220°C |
|---|---|
| Hardness after quenching HRC | 65 |