Steel 1.2714 - PWM
1.2714 - PWM steel:
high performance die steel.
What?
1.2714 – PWM steel is the traditional high performance die steel with good toughness and high tempering and compression strength.
Material properties
Properties of steel type 1.2714 – PWM
- Good toughness.
- High tempering.
- High compression strength.
Application
The most common applications for steel type 1.2714 – PWM are:
- Forging dies for all kinds of steel forming.
- Hammer and press saddles.
- Jaws in cutting machines.
- Tools for the extrusion industry.
- Press die holder.
- Linings and support tools.
- Tool brackets.
- Impression dies of all kinds for all light metals and their alloys.
- Piercer shafts and hole pots for steel pipe bloom manufacturing.
Physical properties of 1.2714 - PWM
Temperature in °C | 20-100 | 20-200 | 20-400 | 20-600 |
---|---|---|---|---|
Thermal expansion in 10-6m/m x K | 11.0 | 12.5 | 13.3 | 14.0 |
Temperature in °C | 20 | 200 | 400 | |
Thermal conductivity in W/m x K | 36.0 | 36.5 | 36.0 | |
Temperature in °C | 20 | |||
Density in g/cm3 | 7.8 | |||
Temperature in °C | 20 | |||
E module in GPa | 215 |
Heat treatment
Soft annealing | Temperature: 740 – 760 °C, 6 – 8 hrs. |
---|---|
Cooling: slow furnace cooling | |
Hardness: max. 250 HB | |
Hardening | Temperature: 850 – 880 °C in Oil/polymer, 880 – 900 °C in blast air |
Cooling Cooling must be interrupted at approx. 150 °C or vacuum hardening | |
Tempering | Temperature: 400 – 700 °C |
Hardness: see tempering graph | |
Nitriding | Possible under conditions |
Preheat before use | Temperature: 150 – 350 °C |