Steel 1.2367 - RPU
1.2367 - RPU:
high temperature toughness
What?
1.2367 – RPU steel is a Cr-Mo-V alloyed hot-work tool steel and a combination of the steels USN and RP. Good high temperature toughness is combined with good high temperature strength.
Material properties
Properties of steel type 1.2367 – RPU
- Combination of the steels USN and RP .
- Good high temperature toughness.
- Good high temperature strength.
Application
The most common applications for steel type 1.2367 – RPU are:
- Extrusion press tools such as pipe extrusion mandrels, press stems, die holders and inner liners for heavy metal alloys.
- Die casting tools for high shot numbers in light metal processing.
- Impression dies for heavy and light metal processing.
- Dies or die inserts under forging presses for steel forming.
Physical properties of 1.2367 - RPU steel
| Temperature in °C | 20-100 | 20-200 | 20-400 | 20-600 |
|---|---|---|---|---|
| Thermal expansion in 10-6m/m x K | 11.9 | 12.5 | 12.8 | 13.3 |
| Temperature in °C | 20 | 200 | 400 | |
| Thermal conductivity in W/m x K | 29.9 | 32.1 | 32.4 | |
| Temperature in °C | 20 | |||
| Density in g/cm3 | 7.85 | |||
| Temperature in °C | 20 | |||
| E module in GPa | 215 |
Heat treatment
| Hardening | Temperature: 1030 – 1050 °C |
|---|---|
| Cooling Air, warm bath approx. 540 °C, Oil/polymer; Interrupt oil or polymer cooling at 230 – 280 °C or vacuum hardening | |
| Tempering | Temperature: 520 – 700 °C |
| Hardness: see tempering curve | |
| Nitriding | Possible |
| Preheat before use | Temperature: 150 – 350 °C |
Graphs and datasheets of 1.2367 - RPU
Continue time-temperature-transformation
Tempering
High-temperature strength
