Steel 1.2542 - PK
1.2542 - PK steel:
Tough and impact stress.
What?
1.2542 – PK steel is a tough cold-work tool steel for use under permanent hitting and impact stress.
Material properties
Properties of steel type 1.2542 – PK
- Good toughness.
- Use under permanent hitting and impact stress.
Application
The most common applications for steel type 1.2542 – PK
- Compressed air tools of all kinds, such as chisels, riveting heads, rivet dies, rivet blasters, etc.
- Hand chisels.
- Strainers.
- Deburring tools.
- Cold punches.
- Scrap chisels.
- Profile shear blades.
Physical properties of 1.2542 - PK
Temperature in °C | 20-100 | 20-200 | 20-400 |
---|---|---|---|
Thermal expansion in 10-6m/m x K | 11.0 | 13.5 | 14.5 |
Temperature in °C | 20 | ||
Thermal conductivity in W/m x K | 25.0 | ||
Temperature in °C | 20 | ||
Density in g/cm3 | 8.0 | ||
Temperature in °C | 20 | ||
E module in GPa | 210 |
Heat treatment
Soft annealing | Temperature: 730 – 760 °C, 4 – 6 hrs. |
---|---|
Cooling: soft furnace cooling | |
Hardness: max. 225 HB | |
Hardening | Temperature: 880 – 920 °C |
Cooling Interrupt oil cooling at approx. 150 °C | |
Tempering | Temperature: 100 – 350 °C |
Hardness: see tempering curve |