| 摘要 |
A nitrogen containing high speed steel produced by powder metallurgical process, which comprises at least 0.40% N, 3.0-15% V, C in an amount satisfying the relationship of 1.0 + 0.2V (%) </= (C + N) </= 1.5 + 0.2V (%), at least one element selected from the group consisting of up to 15% Cr, up to 10% Mo, up to 20% W, and up to 15% Co, with balance iron. |
