| 摘要 |
Maraging steel with high ductility and toughness, exhibiting an improved fatigue resistance, usable especially in the manufacture of turbine shafts for aircraft engines, characterised in that its weight composition includes: - from 14 to 19 % of nickel, - from 9 to 14 % of cobalt, - from 5 to 8 % of molybdenum, the nickel and molybdenum contents satisfying the relationship: <IMAGE> and in that it contains from 0.005 to 0.05 % of an element belonging to the rare-earth series.
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