Free-machining, martensitic, precipitation-hardenable stainless steel
    2.
    发明授权
    Free-machining, martensitic, precipitation-hardenable stainless steel 有权
    自由加工,马氏体,沉淀硬化不锈钢

    公开(公告)号:US06461452B1

    公开(公告)日:2002-10-08

    申请号:US09858817

    申请日:2001-05-16

    申请人: Theodore Kosa

    发明人: Theodore Kosa

    IPC分类号: C22C3848

    摘要: A free-machining, precipitation-hardenable, martensitic stainless steel is described that provides a unique combination of machinability, processability, and toughness. The broad compositional range of the steel alloy of the invention is as follows, in weight percent: C 0.030 max. Mn 0.75 max. Si 0.75 max.. P 0.040 max. S 0.15-0.35 Cr 14.0-15.5 Ni  5.0-6.0 Mo 0.50-1.2 Cu  3.0-4.0 Nb 0.10-0.30 B 0.010 max. N 0.030 max. The balance of the alloy is iron and the usual impurities found in commercial grades of martensitic precipitation-hardening stainless steels intended for similar use or service.

    摘要翻译: 描述了一种自由加工,沉淀硬化的马氏体不锈钢,其提供了可加工性,加工性和韧性的独特组合。 本发明的钢合金的广泛组成范围如下,重量百分比:合金的余量为铁和商业级马氏体沉淀硬化不锈钢中用于类似使用或使用的通常杂质。

    Corrosion resistant, magnetic alloy article
    3.
    发明授权
    Corrosion resistant, magnetic alloy article 失效
    耐腐蚀,磁性合金文章

    公开(公告)号:US5091024A

    公开(公告)日:1992-02-25

    申请号:US544322

    申请日:1990-06-27

    CPC分类号: C22C38/22

    摘要: A ferritic alloy, having an improved combination of magnetic properties and corrosion resistance, contains, in weight percent, about______________________________________ % ______________________________________ Carbon 0.03 max. Manganese 0.5 max. Silicon 0.5 max. Phosphorus 0.03 max. Sulfur 0-0.5 Chromium 10-13.0 Molybdenum 0-1.5 Nitrogen 0.05 max. Titanium 0.01 max. Aluminum 0.01 max. ______________________________________ and the balance is essentially iron. The alloy, and articles made therefrom, provide higher saturation induction than known corrosion resistant, magnetic alloys.

    摘要翻译: 具有改进的磁特性和耐腐蚀性的组合的铁素体合金以重量%计含有约-0.8% -Manganese 0.5最大 硅0.5最大 - 磷0.03 - 硫0-0.5 - 氯10-13.0 - 钼0-​​1.5 - 氮0.05最大 - 钛0.01最大 - 铝0.01最大 - 平衡本质上是铁。 合金及其制成的制品比已知的耐腐蚀磁性合金提供更高的饱和感应。

    High-strength, titanium-bearing, powder metallurgy stainless steel article with enhanced machinability
    4.
    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
    5.
    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。

    Austenitic, non-magnetic, stainless steel alloy and articles made
therefrom
    6.
    发明授权
    Austenitic, non-magnetic, stainless steel alloy and articles made therefrom 失效
    奥氏体,非磁性,不锈钢合金及其制品

    公开(公告)号:US5308577A

    公开(公告)日:1994-05-03

    申请号:US934698

    申请日:1992-09-23

    IPC分类号: C22C38/58 C22C38/44

    摘要: An austenitic, non-magnetic, stainless steel alloy is disclosed which, in the wrought condition, is essentially ferrite-free and has a relative magnetic permeability of less than about 1.02, a room temperature 0.2% yield strength of at least about 100 ksi, and good resistance to stress corrosion cracking in chloride environments. Broad, intermediate, and preferred ranges are disclosed as follows:______________________________________ w/o Broad Intermediate Preferred ______________________________________ C 0.08 max. 0.05 max. 0.035 max. Mn 14-19 15-18 16-18 Si 1.0 max. 1.0 max. 0.75 max. Cr 12-21 14-19.5 16-18 Ni 3.5 2.5 max. 1.5 max. Mo 0.5-4 0.75-2.5 1.0-2.0 Cu 2.0 max. 1.5 max. 1.0 max. N 0.2-0.8 0.3-0.7 0.4-0.6 B 0.06 max. 0.005 max. 0.005 max. ______________________________________ the balance being iron. The alloy is balanced to be essentially ferrite-free and to provide good chloride SCC resistance in accordance with the following relationships: ##EQU1##

    摘要翻译: PCT No.PCT / US91 / 02490 371日期:1992年9月23日 102(e)1992年9月23日PCT日期1991年4月11日PCT公开了一种奥氏体非磁性不锈钢合金,其在锻造条件下基本上不含铁素体,并且具有较小的相对磁导率 约1.02,室温0.2%屈服强度为至少约100ksi,并且在氯化物环境中具有良好的耐应力腐蚀开裂性能。 宽泛的,中间的和优选的范围公开如下:-w / o-中间体优选-C 0.08最大 最大0.05 最大0.035 -Mn 14-19 15-18 16-18 -Si 1.0最大 最大1.0 最大0.75 -Cr 12-21 14-19.5 16-18 -Ni 3.5 2.5最大 最大1.5 -Mo 0.5-4 0.75-2.5 1.0-2.0 -Cu 2.0最大 最大1.5 最大1.0 -N 0.2-0.8 0.3-0.7 0.4-0.6 -B 0.06最大 最高0.005 最高0.005 - 平衡是铁。 该合金的平衡是基本上不含铁素体的,并且根据以下关系提供良好的氯化物SCC电阻:< IMAGE><< w / o Cr + w / o Mo。

    Corrosion-Resistant, Free-Machining, Magnetic Stainless Steel
    7.
    发明申请
    Corrosion-Resistant, Free-Machining, Magnetic Stainless Steel 审中-公开
    耐腐蚀,自由加工,磁性不锈钢

    公开(公告)号:US20090263270A1

    公开(公告)日:2009-10-22

    申请号:US12496432

    申请日:2009-07-01

    申请人: Theodore Kosa

    发明人: Theodore Kosa

    IPC分类号: C22C38/60 C22C38/18

    摘要: A corrosion-resistant, free-machining, magnetic stainless steel alloy is described. The alloy has the following weight percent composition: 0.025 max. C, 0.60 max. Mn, 1.0-2.0 Si, 0.035 max. P, 0.15-0.40 S, 12.0-14.0 Cr, 0.5 max. Ni, 0.5-1.3 Mo, 0.5-1.3 V, 0.5 max. Cu, 0.020 max. Al, 0.025 max. N, and the balance is iron and usual impurities.

    摘要翻译: 描述了耐腐蚀,自由加工的磁性不锈钢合金。 该合金具有以下重量百分比组成:0.025最大。 C,最大0.60。 Mn,1.0-2.0Si,最大0.035。 P,0.15-0.40 S,12.0-14.0 Cr,0.5最大。 Ni,0.5-1.3Mo,0.5-1.3V,最大0.5。 Cu,最大0.020。 Al,最大0.025 N,余量为铁和常规杂质。

    Corrosion-Resistant, Free-Machining, Magnetic Stainless Steel
    8.
    发明申请
    Corrosion-Resistant, Free-Machining, Magnetic Stainless Steel 审中-公开
    耐腐蚀,自由加工,磁性不锈钢

    公开(公告)号:US20070166183A1

    公开(公告)日:2007-07-19

    申请号:US11306989

    申请日:2006-01-18

    申请人: Theodore Kosa

    发明人: Theodore Kosa

    IPC分类号: C22C38/60

    摘要: A corrosion-resistant, free-machining, magnetic stainless steel alloy is described. The alloy has the following weight percent composition: 0.025 max. C, 0.60 max. Mn, 1.0-2.0 Si, 0.035 max. P, 0.15-0.40 S, 12.0-14.0 Cr, 0.5 max. Ni, 0.5-1.3 Mo, 0.5-1.3 V, 0.5 max. Cu, 0.020 max. Al, 0.025 max. N, and the balance is iron and usual impurities.

    摘要翻译: 描述了耐腐蚀,自由加工的磁性不锈钢合金。 该合金具有以下重量百分比组成:0.025最大。 C,最大0.60。 Mn,1.0-2.0Si,最大0.035。 P,0.15-0.40 S,12.0-14.0 Cr,0.5最大。 Ni,0.5-1.3Mo,0.5-1.3V,最大0.5。 Cu,最大0.020。 Al,最大0.025 N,余量为铁和常规杂质。

    Free-machining martensitic stainless steel
    9.
    发明授权
    Free-machining martensitic stainless steel 失效
    自由加工马氏体不锈钢

    公开(公告)号:US5362337A

    公开(公告)日:1994-11-08

    申请号:US127341

    申请日:1993-09-28

    申请人: Theodore Kosa

    发明人: Theodore Kosa

    IPC分类号: C22C38/00 C22C38/20 C22C38/60

    CPC分类号: C22C38/20 C22C38/60

    摘要: A martensitic stainless steel alloy having a good combination of machinability, hardness capability, and corrosion resistance is disclosed which contains, in weight percent, about:______________________________________ Preferred A Preferred B Preferred C ______________________________________ C up to 0.07 up to 0.07 up to 0.07 N up to 0.07 up to 0.07 up to 0.07 C + N up to 0.08 up to 0.08 up to 0.08 Cu 1.0-3.0 1.0-3.5 1.0-3.5 delta ferrite up to 11 up to 3 7-11 Cr 10.0-14.0 10.0-14.0 10.0-14.0 S 0.15-0.55 0.15-0.55 0.15-0.55 Mn up to 1.25 up to 1.25 up to 1.25 Si up to 1.0 up to 1.0 up to 1.0 P up to 0.06 up to 0.06 up to 0.06 Ni up to 1.0 up to 1.0 up to 1.0 Mo up to 1.0 up to 1.0 up to 1.0 B up to 0.01 up to 0.01 up to 0.01 Te up to 0.10 up to 0.10 up to 0.10 Se up to 0.25 up to 0.25 up to 0.25 Bi up to 0.15 up to 0.15 up to 0.15 Nb up to 0.10 up to 0.10 up to 0.10 ______________________________________ and the balance is essentially iron. In particular, this alloy has a hardness capability of at least about 32 HRC and good machinability in single-point turning, form-tool turning and drilling at a wide range of hardnesses including between about 96 HRB to 38 HRC.

    摘要翻译: 公开了具有良好的机械加工性,硬度和耐腐蚀性的组合的马氏体不锈钢合金,其以重量百分比计含有:优选的A优选的B优选的C -C高达0.07至0.07至0.07N以上的上升 至0.07至0.07至0.07 -C + N至0.08至0.08至0.08 -Cu 1.0-3.0 1.0-3.5 1.0-3.5-铁素体至多达11至3 7-11 -Cr 10.0-14.0 10.0 -14.0 10.0-14.0 -S 0.15-0.55 0.15-0.55 0.15-0.55 -Mn高达1.25至1.25至1.25 -Si至1.0至1.0至1.0 -P至0.06至0.06至0.06至0.06- Ni至1.0至1.0至1.0 -Mo至1.0至1.0至1.0至高达0.01至0.01至0.01至0.01-Te至0.10至0.10至0.10至高达-0.6Se至0.25直至 0.25至0.25 -Bi至0.15至0.15至0.15Nb至0.10至0.10至0.10至0.10-余量基本上为铁。 特别地,该合金具有至少约32HRC的硬度能力,在单点车削,成型工具车削和钻孔的硬度范围内,包括在大约96 HRB到38HRC之间的宽度范围内具有良好的机械加工性能。

    Austenitic, non-magnetic, stainless steel alloy
    10.
    发明授权
    Austenitic, non-magnetic, stainless steel alloy 失效
    奥氏体,非磁性,不锈钢合金

    公开(公告)号:US5094812A

    公开(公告)日:1992-03-10

    申请号:US508222

    申请日:1990-04-12

    IPC分类号: C22C38/58

    摘要: An austenitic, non-magnetic, stainless steel alloy and articles made therefrom are disclosed which, in the wrought condition, are essentially ferrite-free and have a relative magnetic permeability of less than about 1.02, a room temperature 0.2% yield strength of at least about 100 ksi, and good resistance to stress corrosion cracking in chloride environments. Broad, intermediate, and preferred ranges are disclosed as follows:______________________________________ w/o Broad Intermediate Preferred ______________________________________ C 0.08 max. 0.05 max. 0.035 max. Mn 14-19 15-18 16-18 Si 1 max. 1 max. 0.75 max. Cr 12-21 14-19.5 16-18 Ni 3.5 2.5 max. 1.5 max. Mo 0.5-4 0.75-2.5 1.0-2.0 Cu 2.0 max. 1.5 max. 1.0 max. N 0.2-0.8 0.3-0.7 0.4-0.6 B 0.06 max. 0.005 max. 0.005 max. ______________________________________ the balance being iron. The alloy is balanced to be essentially ferrite-free and is further balanced according to Equations 1 and 2 (Eqs. 1 and 2) to provide good chloride SCC resistance: ##EQU1##w/o Mn

    摘要翻译: 公开了一种奥氏体,非磁性不锈钢合金及其制成的制品,其在锻造条件下基本上是铁素体,并且具有小于约1.02的相对导磁率,室温至少0.2%屈服强度 约100 ksi,在氯化物环境中具有良好的耐应力腐蚀开裂性能。 宽泛的,中间的和优选的范围公开如下:-w / o-中间体优选-C 0.08最大 最大0.05 最大0.035 -Mn 14-19 15-18 16-18 -Si 1 max。 最多1个 最大0.75 -Cr 12-21 14-19.5 16-18 -Ni 3.5 2.5最大 最大1.5 -Mo 0.5-4 0.75-2.5 1.0-2.0 -Cu 2.0最大 最大1.5 最大1.0 -N 0.2-0.8 0.3-0.7 0.4-0.6 -B 0.06最大 最高0.005 最高0.005 - 平衡是铁。 该合金平衡,基本上不含铁素体,并根据方程1和2(方程式1和2)进一步平衡,以提供良好的氯化物SCC电阻:(等式1)w / o Mn