| 摘要 |
PCT No. PCT/SE92/00537 Sec. 371 Date Feb. 4, 1994 Sec. 102(e) Date Feb. 4, 1994 PCT Filed Aug. 4, 1992 PCT Pub. No. WO93/02820 PCT Pub. Date Feb. 18, 1993.The invention relates to a high-speed steel with good 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, 14-22 Co, 0-2 Nb, with the balance being substantially iron and incidental impurities and accessory elements. The steel has been designed particularly for tools, the use of which demands a good hot hardness and high wear strength. |
