| 摘要 |
A carburisable steel alloy suitable for bearing components comprising, in percent by weight: C 0.05-0.5 wt.% Cr 2.5-5.0 wt. %, Mo 4-6 wt.%, W 2-4.5 wt.%, V 1 -3 wt.%, Ni 2-4 wt.%, Co 2-8 wt.%, optionally one or more of the following elements: Nb 0-2 wt. % N 0-0.5 wt.% Si 0-0.7 wt.%, Mn 0-0.7 wt.%, Al 0-0.1 5 wt.%, wherei n the combined amount of Nb+V is within the range 1 -3.5 wt.%, the combined amount of C+N is within the range 0.05-0.5 wt. %, the balance being Fe and unavoidable impurities. |
