BÖHLER S290 MICROCLEAN – "The hard stuff" The unusual alloy point of this bridge material between carbide and high-speed steel gives it a hardness of up to 70 HRC. In addition to its hot hardness and good wear resistance, its compressive strength is one of the most important properties of this powder-metallurgical high-speed steel class.
| Compressive strength | Grindability | Through hardenable | Toughness | Wear resistance |
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| C | Si | Mn | Cr | Mo | V | W | Co | |
|---|---|---|---|---|---|---|---|---|
| 2.00 | 0.50 | 0.30 | 3.80 | 2.50 | 5.10 | 14.30 | 11.00 |
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