High-strength, notch-ductile precipitation-hardening stainless steel
alloy
    1.
    发明授权
    High-strength, notch-ductile precipitation-hardening stainless steel alloy 失效
    高强度,缺口韧性沉淀硬化不锈钢合金

    公开(公告)号:US5681528A

    公开(公告)日:1997-10-28

    申请号:US533159

    申请日:1995-09-25

    IPC分类号: C22C38/00 C22C38/50 C22C38/54

    CPC分类号: C22C38/50

    摘要: A precipitation hardenable, martensitic stainless steel alloy is disclosed consisting essentially of, in weight percent, about ______________________________________ C 0.03 max Mn 1.0 max Si 0.75 max P 0.040 max S 0.020 max Cr 10-13 Ni 10.5-11.6 Ti 1.5-1.8 Mo 0.25-1.5 Cu 0.95 max Al 0.25 max Nb 0.3 max B 0.010 max N 0.030 max ______________________________________ the balance essentially iron. The disclosed alloy provides a unique combination of stress-corrosion cracking resistance, strength, and notch toughness.

    摘要翻译: 公开了一种可沉淀硬化的马氏体不锈钢合金,其基本上以重量百分比计,约-C 0.03最大--Mn 1.0最大 - Si 0.75最大 - P 0.040最大 - S 0.020最大 - Cr 10-13-Ni 10.5-11.6- Ti 1.5-1.8 - Mo 0.25-1.5 - Cu 0.95最大 - Al 0.25最大 - Nb 0.3最大 - B 0.010最大 - N 0.030最大 - 余量基本上是铁。 所公开的合金提供了耐应力腐蚀开裂性,强度和缺口韧性的独特组合。

    High-strength, titanium-bearing, powder metallurgy stainless steel article with enhanced machinability
    2.
    发明授权
    High-strength, titanium-bearing, powder metallurgy stainless steel article with enhanced machinability 有权
    高强度,钛合金,粉末冶金不锈钢制品具有增强的机械加工性能

    公开(公告)号:US06238455B1

    公开(公告)日:2001-05-29

    申请号:US09425664

    申请日:1999-10-22

    IPC分类号: C22C104

    摘要: A powder metallurgy article formed of a sulfur-containing, precipitation-hardenable, stainless steel alloy is described. The article has a unique combination of strength, ductility, processability, and machinability. The powder metallurgy article is formed of a stainless steel alloy having the following composition in weight percent. C 0.03 max. Mn 1.0 max. Si 0.75 max. P 0.040 max. S 0.010-0.050 Cr 10-14 Ni 6-12 Ti 0.4-2.5 Mo 6 max. B 0.010 max. Cu 4 max. Co 9 max. Nb 1 max. Al 1 max. Ta 2.5 max. N 0.03 max. The balance of the alloy is iron and the usual impurities. The powder metallurgy article according to this invention is characterized by a fine dispersions of titanium sulfides that are not greater than about 5 &mgr;m in major dimension. A method of preparing the powder metallurgy article is also described.

    摘要翻译: 描述了由含硫的沉淀可硬化的不锈钢合金形成的粉末冶金制品。 该产品具有强度,延展性,加工性和可加工性的独特组合。 粉末冶金制品由不锈钢合金制成,其重量百分比如下:合金的平衡是铁和通常的杂质。 根据本发明的粉末冶金制品的特征在于在主要尺寸上不大于约5μm的硫化钛的细分散体。 还描述了制备粉末冶金制品的方法。

    Free-machining austenitic stainless steel
    3.
    发明授权
    Free-machining austenitic stainless steel 失效
    自由加工奥氏体不锈钢

    公开(公告)号:US5482674A

    公开(公告)日:1996-01-09

    申请号:US271199

    申请日:1994-07-07

    CPC分类号: C22C38/58 C22C38/60

    摘要: An austenitic, stainless steel alloy having a unique combination of machinability and a low magnetic permeability, especially in the cold worked condition, is disclosed consisting essentially of, in weight percent, about______________________________________ C 0.l035 max Mn 1.0-4.0 Si 1.0 max P 0.2 max S 0.15-0.45 Cr 16.0-20.0 Ni 9.2-12.0 Mo 1.5 max Cu 0.8-2.0 N 0.035 max Se 0.1 max ______________________________________ with the balance essentially iron.

    摘要翻译: 公开了一种奥氏体不锈钢合金,其具有独特的机械加工性和低磁导率的组合,特别是在冷加工条件下,其重量百分比基本上以重量百分数约为-C0.1353-Mn 1.0-4.0 -Si 1.0 最大-P 0.2最大-S 0.15-0.45 -Cr 16.0-20.0 -Ni 9.2-12.0 -Mo 1.5最大-Cu 0.8-2.0 -N 0.035最大-Se 0.1最大 - 余量基本上为铁。

    Ultra-high-strength precipitation-hardenable stainless steel and strip made therefrom
    4.
    发明授权
    Ultra-high-strength precipitation-hardenable stainless steel and strip made therefrom 有权
    超高强度可沉淀硬化不锈钢和带材

    公开(公告)号:US06630103B2

    公开(公告)日:2003-10-07

    申请号:US10106661

    申请日:2002-03-26

    IPC分类号: C22C3852

    摘要: A precipitation hardenable stainless steel having the following weight percent composition is disclosed. C 0.030 max. Mn  0.5 max. Si  0.5 max. P 0.040 max. S 0.025 max. Cr  9-13 Ni 7-9 Mo 3-6 Cu  0.75 max. Co  5-11 Ti  1.0 max. Al 1.0-1.5 Nb  1.0 max. B 0.010 max. N 0.030 max. O 0.020 max. 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.

    摘要翻译: 公开了具有以下重量百分比组成的可沉淀硬化不锈钢。合金的平衡基本上是铁和通常的杂质。 一种或多种稀土金属或钙可以包括在合金中用于除去和/或稳定磷和硫。 该合金提供强度,韧性和延展性的独特组合。 根据本发明的另一方面,描述了至少部分地由上述合金形成的有用的物品,例如飞机结构部件或高尔夫球杆头。 根据本发明的另一方面,描述了由上述形成的细长条和制造这种带状材料的方法。