Steel 1.2885 - RPCo
1.2885 - RPCo steel:
High-temperature strength, tempering resistance .
What?
1.2885 – RPCo steel corresponds to the steel RP with additional Co content. The high-temperature strength, tempering resistance and also high temperature wear resistance are increased.
Material properties
properties of steel type 1.2885 – RPCo
- High-temperature strength.
- Good tempering resistance .
- Good wear resistance.
- Water cooling is possible.
Application
The most common applications for steel type 1.2885 – RPCo are:
- Extrusion press tools such as pressure dies and disks, die holders.
- Extrusion punch heads for copper and copper alloys.
- Impression dies, especially mandrel inserts for copper and copper alloys.
- Piercer heads in steel pipe production.
Physical properties of 1.2885 - RPCo steel
| Temperature in °C | 20-100 | 20-400 | 20-600 |
|---|---|---|---|
| Thermal expansion in 10-6m/m x K | 11.5 | 12.0 | 12.2 |
| Temperature in °C | 20 | 200 | 400 |
| Thermal conductivity in W/m x K | 30.0 | 32.1 | 34.1 |
| Temperature in °C | 20 | ||
| Density in g/cm3 | 7.9 | ||
| Temperature in °C | 20 | ||
| E module in GPa | 215 |
Heat treatment
| Soft annealing | Temperature: 820 – 840 °C, 4 – 6 hrs. |
|---|---|
| Cooling: soft furnace cooling | |
| Hardheid: max. 240 HB | |
| Hardening | Temperature: 1040 – 1060 °C |
| Cooling Oil or warm bath of approx. 540 °C, Interrupt oil quenching at approx. 200 – 300 °C or vacuum hardening | |
| Tempering | Temperatuur: 560 – 700 °C |
| Hardness: see tempering graph | |
| Nitriding | Possible |
| Preheat before use | Temperature: 150 – 350 °C |
Graphs and datasheets of 1.2885 - RPCo
Continue time-temperature-transformation
Tempering
High-temperature strength
