| 摘要 |
<p>A wear- and abrasion-resistant article of sintered metal powder consists of chromium from about 23 percent to about 29 percent, tungsten from about 8 percent to about 15 percent, cobalt from about 8 percent to about 15 percent, molybdenum from about 8 percent to about 15 percent, carbon from about 1.65 percent to about 5 percent, boron up to about 1 percent, manganese up to about 1.3 percent, silicon up to about 1.3 percent, iron from about 10 percent to about 17.5 percent, and the balance nickel in amount at least about 20 percent and incidental impurities.</p> |
