FSR steel
Steel FSR:
temper resistance and wear resistance .
What?
FSR steel is a cold work tool steel based on 12% Cr. The other alloy elements give FSR the necessary temper resistance and wear resistance.
Compared to a similarly used high-speed steel such as type HS6-5-2C, FSR is characterised by better toughness with equivalent performance.
Material properties
- Better toughness.
- Wear resistance.
Application
- Cutting tools with particular wear resistance in the processing of siliconised or austenitic sheet metal or hardened strip steel, precision punching tools.
- Cold extrusion tools.
- Threaded rolling tools.
- Broaches.
- Extruder screws.
Physical properties of FSR
| Temperature in °C | 20-100 | 20-200 | 20-400 |
|---|---|---|---|
| Thermal expansion in 10-6m/m x K | 10.6 | 12.0 | 13.0 |
| Temperature in °C | 20 | ||
| Thermal conductivity in W/m x K | 29.9 |
Heat treatment
| Soft annealing | Temperature: 800 – 850 °C |
|---|---|
| Cooling: slow furnace cooling | |
| Hardness: max. 300 HB | |
| Hardening | Temperature: 1150 – 1180 °C |
| Cooling Hot strip from 450 – 550 °C or oil, interrupt oil cooling at approx. 400 °C | |
| Tempering | Temperature: 540 – 550 °C |
| Hardness: see tempering curve | |
| Nitriding | possible, temper correspondingly |
