Air-hardening “Semi-High-Speed-Steel“ exhibiting excellent wear resistance combined with an optimum level of toughness. It is used in the field of tools, where a high compression strength and excellent edge holding retention is required, e.g. for punches, deep drawing tools, circular cutters, thread rolling dies, wood working knives.
| Typical Analysis [%]: |
C |
Si |
Mn |
Cr |
Mo |
V |
W |
|
1,15 |
1,0 |
0,4 |
8,2 |
1,5 |
2,0 |
1,5 |
Delivery Hardness:
|
max. 241 HB |
| Steel Characteristics and Application |
Air-hardening “Semi-High-Speed-Steel“ exhibiting excellent wear resistance combined with an optimum level of toughness. It is used in the field of tools, where a high compression strength and excellent edge holding retention is required, e.g. for punches, deep drawing tools, circular cutters, thread rolling dies, wood working knives. |
| Heat Treatment |
|
| Soft Annealing |
820 - 850°C Furnace cooling <550°C, then air cooling
|
| Hardening |
1050°C - 1080°C gas-stream, oilquenching or salt bath 500 - 550°C |
| Tempering |
520 - 540 °C, (prefered tempering range), min. 2x,for 62 - 63 HRC |
