| 摘要 |
<p>To provide a diesel engine prechamber sleeve excellent in the resistances to high-temperature oxidation and thermal shock. A diesel engine prechamber sleeve made of a heat-resistant iron-base alloy having a chemical composition comprising on the weight basis: Cr: 28 ∩ 33 %; Ni: 26 ∩ 32 %, Co: 2 ∩ 10 %; Nb: 0.1 ∩ 1 %, Mn: 0.1 ∩ 1.5 %, Si: 0.1 ∩ 1.5 %, C: 0.02 ∩ 0.5 %, and N: 0.05 ∩ 0.5 %, and containing, if necessary, 1-5 % of tungsten and the balance consisting of iron and unavoidable impurities.</p> |
