| 摘要 |
<p>The invention relates to a high-speed steel with good hot hardness and high wear resistance, which is manufactured powder-metallurgically and has the following alloy composition in weight-%: 1.0-2.5 C, max 1.0 Si, max 1.0 Mn, 3-5 Cr, 2-8 Mo, 3-8 W, 1.3-7 V, 14-2 Co, 0-2 Nb, balance essentially only iron, impurities and accessory elements in normal amounts. The steel has been designed particularly for tools, the use of which demands a hot hardness and a high wear strength.</p> |
