;The balance of the alloy is essentially iron and the usual impurities. One or more rare earth metals or calcium may be included in the alloy for removing and/or stabilizing phosphorus and sulfur. The alloy provides a unique combination of strength, toughness, and ductility. In accordance with another aspect of the present invention, there is described a useful article such as an aircraft structural component or a golf club head that is formed, at least in part, from the aforesaid alloy. In accordance with a further aspect of the present invention, there is described an elongated strip formed from the aforesaid and a method of making such strip material.
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机译：公开了具有以下重量百分比组成的可沉淀硬化的不锈钢。
< Thead> C 最大0.030 Mn ＆emsp; 0.5 max。 Si ＆emsp; 0.5 max。 P 最大0.040 S < entry>最大0.025 Cr ＆ensp; 9-13 Ni 7-9 Mo 3-6 Cu ＆ensp; 0.75 max。 Co ＆ensp; 5-11 Ti ＆emsp; 1.0 max。 < entry> Al 1.0-1.5 Nb ＆emsp; 1.0 max。 B 最大0.010 N 0.030最高 O 0.020最高 ;合金的其余部分基本上是铁，通常的杂质。合金中可包含一种或多种稀土金属或钙，以去除和/或稳定磷和硫。合金提供了强度，韧性和延展性的独特组合。根据本发明的另一方面，描述了一种有用的物品，例如飞机结构部件或高尔夫球杆杆头，其至少部分地由上述合金形成。根据本发明的另一方面，描述了一种由上述方法形成的细长条以及制造这种条材料的方法。
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