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1. 发明授权

US06770243B2 Chrome steel alloy 失效
标题翻译：铬钢合金
公开(公告)号：US06770243B2
公开(公告)日：2004-08-03
申请号：US10181299
申请日：2002-07-17
申请人： Gisbert Kloss-Ulitzka , Gunter Schnabel , Oskar Pacher
发明人： Gisbert Kloss-Ulitzka , Gunter Schnabel , Oskar Pacher
IPC分类号： C22C3822
CPC分类号： C22C38/28 , A61B17/06066 , B21G1/00 , C22C38/001 , C22C38/22 , C22C38/26 , C22C38/60
摘要： A chromium steel alloy having 0.4 to 0.75% of carbon, 0.4 to 1.6% of manganese, 12 to 19% of chromium, up to 0.2% of nickel, up to 0.7% of silicon, 0.5 to 1.5% of molybdenum, up to 1.5% of tungsten, 0.05 to 0.3% of vanadium and (% Ti/% Nb), 0.02 to 0.15% of sulfur, up to 0.1% of nitrogen and up to 0.008% of boron, remainder iron including smelting-related impurities. This steel alloy is distinguished by good processability, resistance to corrosion, resistance to abrasion, a high resistance to heat up to 300° C. and above, and a high rigidity.
摘要翻译：具有0.4〜0.75％的碳，0.4〜1.6％的锰，12〜19％的铬，至多0.2％的镍，至多0.7％的硅，0.5〜1.5％的钼，至多1.5的铬钢合金的钨，0.05〜0.3％的钒和（％Ti /％Nb），0.02〜0.15％的硫，至多0.1％的氮和至多0.008％的硼，余量为包括冶炼相关杂质的铁。该钢合金的加工性，耐腐蚀性，耐磨性，耐高达300℃以上的高耐热性和高刚性的特点。

2. 发明授权

US06423159B1 Niobium-stabilized 14% chromium ferritic steel, and use of same in the automobile sector 有权
标题翻译：铌稳定的14％铬铁素体钢，并在汽车行业使用相同
公开(公告)号：US06423159B1
公开(公告)日：2002-07-23
申请号：US09658110
申请日：2000-09-08
申请人： Silke Liesert , Laurent Antoni , Pierre Olivier Santacreu
发明人： Silke Liesert , Laurent Antoni , Pierre Olivier Santacreu
IPC分类号： C22C3822
CPC分类号： C22C38/001 , C21D8/0205 , C21D8/0226 , C21D8/0236 , C21D8/0273 , C22C38/008 , C22C38/22 , C22C38/26
摘要： A process for production of sheet-metal strip of niobium-stabilized 14% chromium ferritic steel, characterized in that certain steel is subjected to: cold rolling of the hot sheet metal with or without preliminary annealing, final annealing of the sheet-metal strip at a temperature of between 800° C. and 1100° C. for a duration of between minute and 5 minutes and preferably at a temperature of about 1050° C. for a time of about 2 minutes. Steel and exhaust manifold.
摘要翻译：一种用于生产铌稳定的14％铬铁素体钢板的金属带的方法，其特征在于，某些钢经受或不进行预退火的热金属板的冷轧，金属带的最终退火温度在800℃至1100℃之间，持续时间为5分钟至5分钟，优选温度为约1050℃，时间为约2分钟。钢和排气歧管。

3. 发明授权

US06409846B1 Rolling bearing 失效
标题翻译：滚动轴承
公开(公告)号：US06409846B1
公开(公告)日：2002-06-25
申请号：US09527245
申请日：2000-03-17
申请人： Hiromichi Takemura , Susumu Tanaka , Shigeru Okita
发明人： Hiromichi Takemura , Susumu Tanaka , Shigeru Okita
IPC分类号： C22C3822
CPC分类号： F16C33/62 , F16C2204/70 , Y10S148/906 , Y10S384/912
摘要： In a rolling bearing having a fixed race, a rotary race and a plurality of rolling elements disposed between said fixed race and said rotary race, at least said fixed race is made of a steel having 0.35 to 0.55% by weight of C, 11.0 to 17.0% by weight of Cr, 0.05 to less than 0.2% by weight of N and the rest of Fe and unavoidable components. Further, the sum of the content of C and N is from 0.45 to 0.65% by weight or less, and exhibits a surface hardness HRC of 57 or more after heat treatment and the diameter of eutectic carbide produced on said bearing races is 10 &mgr;m or less.
摘要翻译：在具有固定座圈，旋转座圈和设置在所述固定座圈和所述旋转座圈之间的多个滚动元件的滚动轴承中，至少所述固定座圈由具有0.35至0.55重量％的C，11.0至 17.0重量％的Cr，0.05〜小于0.2重量％的N，其余的Fe和不可避免的成分。此外，C和N的含量之和为0.45〜0.65重量％以下，热处理后的表面硬度HRC为57以上，所述轴承座上产生的共晶碳化物的直径为10um，减。

4. 发明授权

US06235237B1 Steel alloy for gliding elements 失效
标题翻译：用于滑动元件的钢合金
公开(公告)号：US06235237B1
公开(公告)日：2001-05-22
申请号：US09257395
申请日：1999-02-25
申请人： Heinz Jurgen Osing , Klaus Peter Rittinghaus , Gisbert Kloss-Ulitzka
发明人： Heinz Jurgen Osing , Klaus Peter Rittinghaus , Gisbert Kloss-Ulitzka
IPC分类号： C22C3822
CPC分类号： C22C38/22 , C21D1/25 , C21D9/20
摘要： A chromium steel alloy with 0.2 to 0.65% of carbon, 12.0 to 20.0% of chromium, 0.3 to 5.0% of molybdenum, 0.02 to 0.4% of nitrogen, up to 2% of manganese, up to 1.4% of silicon, up to 2% of nickel, up to 0.5% of copper, up to 0.2% of vanadium and/or niobium and up to 0.1% of aluminum, the remainder being iron including impurities resulting from smelting, is suitable as a material for gliding elements of sports equipment, in particular winter sports equipment.
摘要翻译：碳含量为0.2〜0.65％，铬12.0〜20.0％，钼0.3〜5.0％，氮0.02〜0.4％，锰2〜2％，硅1.4％以下的铬钢合金镍的百分比，高达0.5％的铜，高达0.2％的钒和/或铌和至多0.1％的铝，其余为铁，包括冶炼产生的杂质，适合作为运动器材滑动元素的材料，特别是冬季运动器材。

5. 发明授权

US06797031B1 Wire-shaped product, method for its manufacturing, and wear part made of the product 失效
标题翻译：线形产品，其制造方法和由产品制成的磨损部件
公开(公告)号：US06797031B1
公开(公告)日：2004-09-28
申请号：US10110971
申请日：2002-04-18
申请人： Claes-Henrik Engström
发明人： Claes-Henrik Engström
IPC分类号： C22C3822
CPC分类号： C22C38/36 , B22F5/12 , B22F2998/00 , B22F2999/00 , C21D8/065 , C21D2211/003 , C21D2211/008 , C22C33/0285 , C22C38/22 , C22C38/24 , B22F9/082 , B22F3/16 , B22F3/20 , B22F3/18
摘要： The invention concerns a method for the manufacturing of a wire-shaped product with high wear resistance. The characteristic feature is that a melt is prepared of a martensitic stainless chromium steel which contains in weight-% 0.6-3.0 C, max 2.0 Si max 2.0 Mn, 13-30 Cr, 0-10 Mo, from zero to totally max 10% of those strong carbide forming elements which belong to the group of elements which comprises V, Nb, Ta and Zr, totally max 1% of other, optionally existing alloying elements, balance iron and unavoidable impurities, that the melt is tapped and caused to solidify through cooling at a cooling rate of at least 100° C./s so that a solidified material is obtained which contains evenly distributed carbides, wherein essentially all existing carbide particles has a maximal particle size of 8 &mgr;m, particle size being defined as the mean value of the length and breadth of a particle observable in a light-optical microscope, and that an intermediate product is formed of said material in the form of a wire which is cold drawn and optionally is cold-rolled to desired final dimension, whereafter the wire is hardened and tempered for the achievement of said wire-shaped product which has a microstructure substantially consisting of tempered martensite containing carbides with a particle size of max 8 &mgr;m. The invention also concerns the wire-shaped product and its use for wear parts in combustion engines.
摘要翻译：本发明涉及制造具有高耐磨性的线状产品的方法。特征在于制备了一种马氏体不锈钢，其重量比为0.6-3.0℃，最大2.0Si最大2.0Mn，13-30Cr，0-10Mo，从零到最大10％属于包含V，Nb，Ta和Zr的元素组的那些强烈的碳化物形成元素，最多为其他任意存在的合金元素的1％，余量为铁和不可避免的杂质，熔融物被敲击并使其凝固通过以至少100℃/秒的冷却速率冷却，从而获得含有均匀分布的碳化物的固化材料，其中基本上所有现有的碳化物颗粒的最大粒径为8μm，粒度定义为平均值在光学显微镜中可观察到的颗粒的长度和宽度的值，并且中间产品由所述材料形成为线材形式，其被冷拔并任选地冷轧成所需的最终尺寸，之后线材被硬化和回火以实现所述线形产品，其具有基本上由具有最大8μm的粒度的回火马氏体含碳化物组成的微结构。本发明还涉及线形产品及其在内燃机中的磨损部件的用途。

6. 发明授权

US06733601B2 Ferritic stainless steel sheet with excellent workability 有权
标题翻译：铁素体不锈钢板具有优良的加工性能
公开(公告)号：US06733601B2
公开(公告)日：2004-05-11
申请号：US10047900
申请日：2002-01-14
申请人： Yoshihiro Yazawa , Osamu Furukimi , Mineo Muraki , Yoshihiro Ozaki , Kunio Fukuda , Yukihiro Baba
发明人： Yoshihiro Yazawa , Osamu Furukimi , Mineo Muraki , Yoshihiro Ozaki , Kunio Fukuda , Yukihiro Baba
IPC分类号： C22C3822
CPC分类号： C22C38/001 , C21D8/0205 , C21D8/0226 , C21D8/0236 , C21D8/0268 , C21D8/0278 , C21D8/0468 , C22C38/004 , C22C38/06 , C22C38/44 , C22C38/48 , C22C38/50 , C23C30/00
摘要： A ferritic stainless steel sheet for use in automobile fuel tanks and fuel pipes having smooth surface and resistance to organic acid is provided. The sheet contains, by mass, not more than about 0.1% C, not more than about 1.0 Si, not more than about 1.5 % Mn, not more than about 0.06% P, not more than about 0.03% S, about 11% to about 23% Cr, not more than about 2.0% Ni, about 0.5% to about 3.0% Mo, not more than about 1.0% Al, not more than about 0.04% N, at least one of not more than about 0.8% Nb and not more than about 1.0% Ti, and the balance being Fe and unavoidable impurities, satisfying the relationship: 18≦Nb/(C+N)+2Ti/(C+N)≦60, wherein C, N, Nb, and. Ti in the relationship represent the C, N, Nb, and Ti contents by mass percent, respectively. A process for making the same is also provided.
摘要翻译：提供了一种用于汽车燃料箱的铁素体不锈钢板和具有光滑表面和耐有机酸的燃料管。该片材质量不超过约0.1％C，不大于约1.0Si，不大于约1.5％Mn，不大于约0.06％P，不大于约0.03％S，约11％约23％的Cr，不超过约2.0％的Ni，约0.5％至约3.0％的Mo，不大于约1.0％的Al，不超过约0.04％的N，至少一种不大于约0.8％的Nb和不超过约1.0％Ti，余量为Fe和不可避免的杂质，满足关系：18 <= Nb /（C + N）+ 2Ti /（C + N）≤60，其中C，N，Nb，和。该关系中的Ti分别表示C，N，Nb和Ti的质量百分比含量。还提供了制备其的方法。

7. 发明授权

US06565677B1 Rolling bearing 有权
标题翻译：滚动轴承
公开(公告)号：US06565677B1
公开(公告)日：2003-05-20
申请号：US09575444
申请日：2000-05-22
申请人： Hiromichi Takemura , Yasuo Murakami
发明人： Hiromichi Takemura , Yasuo Murakami
IPC分类号： C22C3822
CPC分类号： F16C33/62 , Y10S148/906 , Y10S384/912
摘要： A rolling bearing includes races and rolling elements, at least the race including: 0.60 wt % to 0.95 wt % of C; 10.0 wt % to 13.0 wt % of Cr; and at least one kind of 0.5 wt % to 2.0 wt % of Mo and 0.5 wt % to 2.0 wt % of V with the balance of Fe. The surface hardness of a raceway surface of the race is not less than HRC 58, and the raceway surface of the race has a passive film with the thickness of 5 to 100 nm.
摘要翻译：滚动轴承包括种族和滚动元件，至少该种族包括：0.60wt％至0.95wt％的C; 10.0重量％〜13.0重量％的Cr; 和0.5重量％〜2.0重量％的Mo和0.5重量％〜2.0重量％的V中的至少一种，余量为Fe。赛道的轨道面的表面硬度不小于HRC58，并且赛道的轨道表面具有厚度为5至100nm的钝化膜。

8. 发明授权

US06436338B1 Iron-based alloy for internal combustion engine valve seat inserts 有权
标题翻译：用于内燃机阀座的铁基合金
公开(公告)号：US06436338B1
公开(公告)日：2002-08-20
申请号：US09583811
申请日：2000-05-30
申请人： Cong Yue Qiao
发明人： Cong Yue Qiao
IPC分类号： C22C3822
CPC分类号： F16K25/005 , C22C38/20 , C22C38/24 , C22C38/26 , C22C38/30 , C22C38/44 , C22C38/46 , C22C38/48 , C22C38/52
摘要： An iron-based corrosion resistant and wear resistant alloy is addressed. The alloy contains (in weight percent) 1.1-1.4% carbon, 11-14.25% chromium, 4.75-6.25% molybdenum, 3.5-4.5% tungsten, 0-3% cobalt, 1.5-2.5% niobium, 1-1.75% vanadium, 0-2.5% copper, up to 1.0% silicon, up to 0.8% nickel, up to 0.6% manganese, and the balance iron. The alloy is suitable for use in valve seat insert applications.
摘要翻译：提供铁基耐腐蚀和耐磨合金。该合金含有（重量百分比）1.1-1.4％碳，11-14.25％铬，4.75-6.25％钼，3.5-4.5％钨，0-3％钴，1.5-2.5％铌，1-1.75％钒， 0-2.5％的铜，至多1.0％的硅，至多0.8％的镍，至多0.6％的锰，余量的铁。该合金适用于阀座插入应用。

9. 发明授权

US06358336B1 Heat resistance Cr-Mo alloy steel 有权
标题翻译：耐热Cr-Mo合金钢
公开(公告)号：US06358336B1
公开(公告)日：2002-03-19
申请号：US09651113
申请日：2000-08-30
申请人： Kaori Miyata
发明人： Kaori Miyata
IPC分类号： C22C3822
CPC分类号： C21D1/28 , C21D6/002 , C21D6/02 , C21D8/0226 , C21D2211/002 , C21D2211/004 , C21D2211/008 , C22C38/001 , C22C38/22 , C22C38/26 , C22C38/32
摘要： A heat-resistant steel contains 0.1-3 mass % of Cr and satisfies the following equation: 0.1≦Nb+Mo+V and MX-type complex precipitates formed inside microcrystalline grains contain 30 mass % or more of Mo and 7 mass % or more of Nb. Also provided is a process for producing the alloy steel product involving casting, forging, hot rolling, normalizing, optionally direct quenching, cooling at a predetermined cooling rate, and tempering.
摘要翻译：耐热钢含有0.1〜3质量％的Cr，满足下式：0.1 <= Nb + Mo + V，微晶粒内形成的MX型复合析出物含有Mo为30质量％以上，7质量％以下，更多的Nb。还提供了一种用于生产合金钢产品的方法，包括铸造，锻造，热轧，归一化，可选地直接淬火，以预定的冷却速度冷却和回火。

10. 发明授权

US06770152B1 Rolling bearing 有权
标题翻译：滚动轴承
公开(公告)号：US06770152B1
公开(公告)日：2004-08-03
申请号：US09830212
申请日：2001-04-24
申请人： Shigeru Okita , Akihiro Kiuchi , Hiromichi Takemura , Tomonobu Yoshikawa
发明人： Shigeru Okita , Akihiro Kiuchi , Hiromichi Takemura , Tomonobu Yoshikawa
IPC分类号： C22C3822
CPC分类号： C22C38/02 , C21D1/18 , C21D1/25 , C21D6/04 , C21D9/36 , C21D9/38 , C21D9/40 , C21D2211/001 , C21D2211/008 , C22C38/001 , C22C38/04 , C22C38/22 , C22C38/34 , C23C8/32 , C23C8/80 , F16C33/62 , Y10S148/906
摘要： The present invention provides a rolling bearing having high wear resistance at high temperature and with reduced manufacturing cost. At least one of an inner ring, an outer ring and rolling elements is formed of the following steel material into a predetermined shape, then applied with hardening and tempering at a temperature of 240° C. or higher or 350° C. or lower to make the Vickers hardness (Hv) on the raceway surface and/or rolling surface to 720 or more. The steel material contains, as the alloy ingredient, 0.8% by weight or more and 1.2% by weight or less of C, 0.5% by weight or more and 2.5% by weight or less of Si, 0.7% by weight or more and 1.5% by weight or less of Cr, 0.8% by weight or more and 2.0% by weight or less of Mo and 0.3% by weight or more and 1.2% by weight or less of Mn, with a ratio of Mo to Cr (Mo/Cr: weight ratio) of 1.1 or more.
摘要翻译：本发明提供一种在高温下具有高耐磨性且降低制造成本的滚动轴承。内圈，外圈和滚动元件中的至少一个由以下钢材形成为预定形状，然后在240℃以上或350℃以下的温度下进行淬火回火使维氏硬度（Hv）在滚道表面和/或滚动面上达到720以上。钢材含有0.8重量％以上且1.2重量％以下的C，0.5重量％以上且2.5重量％以下的Si，0.7重量％以上且1.5以下重量％以下的Cr，0.8重量％以上且2.0重量％以下的Mo和0.3重量％以上且1.2重量％以下的Mn，Mo与Cr的比例（Mo / Cr：重量比）为1.1以上。

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