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1. 发明专利

JP2003041346A Two-phase stainless steel for radioactive material storage container and method for manufacturing radioactive material storage container 有权
标题翻译：用于放射性物质储存容器的两相不锈钢及制造放射性物质储存容器的方法
公开(公告)号：JP2003041346A
公开(公告)日：2003-02-13
申请号：JP2001229344
申请日：2001-07-30
申请人： Mitsubishi Heavy Ind Ltd , Sumitomo Metal Ind Ltd , 三菱重工業株式会社 , 住友金属工業株式会社
发明人： ITO HITOMI , SHIGE TAKASHI , ABE IWAJI , KAJIMURA HARUHIKO , TSUGE SHINJI , MATSUDA TAKAAKI
IPC分类号： G21C19/06 , B23K15/00 , B23K101/12 , B23K103/04 , C22C38/00 , C22C38/54 , G21C19/32 , G21F5/00
摘要： PROBLEM TO BE SOLVED: To provide a two-phase stainless steel which is superior in corrosion resistance, toughness, and electron beam weldability; and can be used for a material of a radioactive material storage container, and provide a method for manufacturing the radioactive material storage container with the use of the two-phase stainless steel.
SOLUTION: The two-phase stainless steel for the radioactive material storage container includes, by mass%, 0.005-0.030% C, 0.05-0.75% Si, 0.20-1.00% Mn, 5.5-7.5% Ni, 24.0-26.0% Cr, 2.5-3.5% Mo, 0.2-0.8% Cu, 0.1-0.5% W, 0.20-0.30% N, 0.010-0.050% Al, 0-0.0050% Ca, and 0-0.0030% B, and the balance Fe with unavoidable impurities, and includes, in the impurities, 0.035% or less P, 0.005% or less S, 0.05% or less Ti, 0.1% or less Nb, and 0.5% or less V. The method for manufacturing the radioactive material storage container is characterized by assembling the above two-phase stainless steel with electron beam welding having the welding energy of 7.7-18.0 kJ/cm
2 .
COPYRIGHT: (C)2003,JPO
摘要翻译：要解决的问题：提供耐腐蚀性，韧性和电子束焊接性优异的两相不锈钢; 并且可以用于放射性物质储存容器的材料，并且提供使用两相不锈钢制造放射性物质储存容器的方法。解决方案：用于放射性物质储存容器的两相不锈钢以质量％计含有0.005-0.030％C，0.05-0.75％Si，0.20-1.00％Mn，5.5-7.5％Ni，24.0-26.0％Cr， 2.5-3.5％Mo，0.2-0.8％Cu，0.1-0.5％W，0.20-0.30％N，0.010-0.050％Al，0-0.0050％Ca和0-0.0030％B，余量为Fe和不可避免的杂质，在杂质中含有0.035％以下的P，0.005％以下的S，0.05％以下的Ti，0.1％以下的Nb，0.5％以下的V。放射性物质储存容器的制造方法的特征在于通过组装上述两相不锈钢与焊接能量为7.7-18.0kJ / cm 2的电子束焊接。

2. 发明专利

JP2004218013A Ferritic stainless steel for equipment in automobile exhaust system 有权
标题翻译：汽车排气系统设备用铁质不锈钢
公开(公告)号：JP2004218013A
公开(公告)日：2004-08-05
申请号：JP2003007585
申请日：2003-01-15
申请人： Sumitomo Metal Ind Ltd , Toyota Motor Corp , トヨタ自動車株式会社 , 住友金属工業株式会社
发明人： HIRAIDE NOBUHIKO , KAJIMURA HARUHIKO , TSUGE SHINJI , MIYAHARA MITSUO , WASHIMI YOSUKE , TANAKA TAKEHISA
IPC分类号： C22C38/00 , C22C38/54
摘要： PROBLEM TO BE SOLVED: To provide ferritic stainless steel for equipment in an automobile exhaust system which is excellent in high-temperature strength, thermal fatigue characteristics, oxidation resistance and formability.
SOLUTION: The ferritic stainless steel for the equipment in the automobile exhaust system comprises, by mass, ≤0.02% C, ≤0.02% N, ≤0.3% Si, ≤0.5% Mn, ≤0.002% S, 0.2-0.8% Cu, 15-18% Cr, 0.2-0.5% Nb, 0.03-0.3% Ti, 0.003-0.2% Al, 0-1% Ni and 0-0.005% B, at least one of Mo and W in a total amount satisfying the formula (1): 2.0≤1.4Mo+W≤4.5, and the balance being Fe and impurities, provided that the total content of C and N is ≤0.03%. Preferably, Fe is partially replaced by at least one of 0.0002-0.005% Ca, 0.0001-0.01 REM and 0.0001-0.01% Y.
COPYRIGHT: (C)2004,JPO&NCIPI
摘要翻译：要解决的问题：为了提供高温强度，热疲劳特性，抗氧化性和成形性优异的汽车排气系统中的设备用铁素体系不锈钢。
解决方案：用于汽车排气系统设备的铁素体不锈钢按质量计包含≤0.02％C，≤0.02％N，≤0.3％Si，≤0.5％Mn，≤0.002％S，0.2-0.8 ％Cu，15-18％Cr，0.2-0.5％Nb，0.03-0.3％Ti，0.003-0.2％Al，0-1％Ni和0-0.005％B，Mo和W中的至少一种总量满足式（1）：2.0≤1.4Mo+W≤4.5，余量为Fe和杂质，条件是C和N的总含量≤0.03％。优选地，Fe被0.0002-0.005％Ca，0.0001-0.01 REM和0.0001-0.01％Y中的至少一种部分替代。（C）2004，JPO和NCIPI

3. 发明专利

JP2004244691A Chromium based stainless steel, and production method therefor 有权
公开(公告)号：JP2004244691A
公开(公告)日：2004-09-02
申请号：JP2003037098
申请日：2003-02-14
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： HATANO MASAHARU , TSUGE SHINJI , AOKI MASAHIRO
IPC分类号： C21D9/46 , C22C38/00 , C22C38/18 , C22C38/28
摘要： PROBLEM TO BE SOLVED: To provide a chromium based stainless steel for the mask frame of a color cathode-ray tube which has high strength, satisfactory workability and excellent creep resistance, and to provide a production method therefor.
SOLUTION: The chromium based stainless steel comprises, by mass, 0.05 to 0.20% C and 10.5 to 18% Cr, and if required comprises small amounts of P, Ti, Nb, V and Mo, and has a structure consisting of a ferritic phase and a martensitic phase, or of a ferritic phase, a martensitic phase and a residual austenitic phase, and in which Cr based carbides with dimensions of

4. 发明专利

JP2004035909A Welded structure and its manufacturing method 审中-公开
公开(公告)号：JP2004035909A
公开(公告)日：2004-02-05
申请号：JP2002190908
申请日：2002-06-28
申请人： Sumikin Daikeikoukan Kk , Sumikin Welding Ind Ltd , Sumitomo Metal Ind Ltd , 住友金属工業株式会社 , 住金大径鋼管株式会社 , 住金溶接工業株式会社
发明人： HIRANO KOICHI , HANAMI TETSUO , OGAWA KAZUHIRO , TSUGE SHINJI , NOGUCHI YOSHIAKI , NISHIMURA SATORU , MURATA YOSHIAKI , JIMICHI HAYAO
IPC分类号： B23K9/18 , B23K31/00 , B23K35/30 , B23K35/362 , B23K35/365 , C22C38/00 , C22C38/58
摘要： PROBLEM TO BE SOLVED: To provide a welded structure having a sound nonmagnetic welded joint and also to provide its manufacturing method.
SOLUTION: The following is provided: the welded structure in which a base material is composed of a steel material containing 7.50 to 10.50% Ni and 18.00 to 20.00% Cr and having ≥0 Ni-bal. and, further, the tensile strength, yield point or proof stress and magnetic permeability in the base material and a weld zone are made to ≥490 N/mm
2 , ≥315 N/mm
2 and ≤1.027, respectively. It is desirable that the weld metal of the structure has a composition consisting of, by mass, ≤0.1 C, ≤0.6 Si, ≤3.5% Mn, ≤0.02% P, ≤0.01% S, 0.1% Cu, 10 to 80% Ni, 1 to 23% Cr, ≤10% Mo, at least one kind among ≤0.75% Ti, ≤4.5% Nb and ≤4.5% Ta and the balance Fe with impurities and satisfying inequalities, 0.01≤C(2Ti+Nb+0.5Ta) and C/(2Ti+Nb+0.5Ta)≤0.2.
COPYRIGHT: (C)2004,JPO

5. 发明专利

JP2003027188A Invar alloy for shadow mask and production method therefor 审中-公开
标题翻译：用于阴影掩蔽的合金及其生产方法
公开(公告)号：JP2003027188A
公开(公告)日：2003-01-29
申请号：JP2001218983
申请日：2001-07-19
申请人： Sumitomo Metal Ind Ltd , Toyo Kohan Co Ltd , 住友金属工業株式会社 , 東洋鋼鈑株式会社
发明人： TSUGE SHINJI , KITA ISATO , NISHI TAKAYUKI , OKAYAMA HIRONAO , FUKUMOTO MASAHIRO
IPC分类号： C21C7/00 , C21C7/04 , C21C7/064 , C21C7/076 , C22C38/00 , C22C38/54 , H01J29/07
CPC分类号： Y02P10/242
摘要： PROBLEM TO BE SOLVED: To provide an inexpensive, high strength invar alloy which has low thermal expansion and excellent hot workability, and is used for a shadow mask of a cathode ray tube, and to provide a production method therefor. SOLUTION: The alloy has a composition which contains one or more kinds of strengthening elements selected from C and Nb, Ni, Co, Al and Ca, and, if required, which further contains B, and in which the contents of Si, Mn, P, S, Mg, Cu, Cr, V, Mo, Ti, N and O are controlled to specified values or lower, in which the content of Mg inclusion is controlled to a specified value or lower, and also, Ca/O is 0.1 to 2.0, or the proportion of Mg, Al and Ca in oxide inclusions is controlled to a specified ratio to allow Ca sulfide to precipitate incidentially to oxide inclusions, and which contains the balance being substantially Fe. In the production of the alloy, the ratio of CaO to Al2 O3 in slag to be used in secondary refining is controlled to 1.4 to 2.2, and the content of SiO2 and the content of MgO in the slag are controlled and then slag refining is performed. Thereafter, a Ca alloy is added thereto by the start of casting.
摘要翻译：要解决的问题：提供一种低热膨胀性和优异的热加工性的廉价高强度的非晶合金，并用于阴极射线管的荫罩，并提供其制造方法。解决方案：该合金具有含有选自C和Nb，Ni，Co，Al和Ca中的一种或多种强化元素的组合物，如果需要，还含有B，其中Si，Mn， P，S，Mg，Cu，Cr，V，Mo，Ti，N和O被控制在规定值以下，Mg含量的含量控制在规定值以下，Ca / O为 0.1〜2.0，或者将氧化物夹杂物中的Mg，Al，Ca的比例控制在规定的比例，使硫化钙与氧化物夹杂物偶然析出，其余量基本上为Fe。在合金的制造中，用于二次精炼的渣中的CaO与Al 2 O 3的比例控制在1.4〜2.2，控制炉渣中SiO 2含量和MgO含量，进行渣精炼。此后，通过开始浇铸加入Ca合金。

6. 发明专利

JP2004107704A Method for manufacturing boron-containing ferritic stainless steel strip 审中-公开
公开(公告)号：JP2004107704A
公开(公告)日：2004-04-08
申请号：JP2002269540
申请日：2002-09-17
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： TSUGE SHINJI , YAZAWA TAKEO , TARUYA YOSHIO , SEKI AKIRA , HANAO MASAFUMI
IPC分类号： C21D9/46 , C22C38/00 , C22C38/32
摘要： PROBLEM TO BE SOLVED: To provide a method for manufacturing a boron-containing hot-rolled ferritic stainless steel strip suitable for a stock of a polymer electrolyte fuel cell separator component.
SOLUTION: Ferritic stainless steel containing, by mass, ≥ 0.1% B and 15-32% Cr is heated to the temperature of ≤ 1,230°C, hot rolling is completed with the finish thickness t to satisfy the relationship (1) t ≤ 5-2B (%), and at the finish temperature TF to satisfy the relationshipes (2) TF ≥ 750 if B content is 0.1-0.25%, and (3) TF ≥ 280 × B(%) + 680, the unit of the finish thickness t is mm, and the finish temperature of hot rolling is °C.
COPYRIGHT: (C)2004,JPO

7. 发明专利

JP2005054217A Stainless steel for motorcycle brake disk 有权
标题翻译：摩托车刹车盘不锈钢
公开(公告)号：JP2005054217A
公开(公告)日：2005-03-03
申请号：JP2003284476
申请日：2003-07-31
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： YAMAGISHI AKIHITO , TSUGE SHINJI
IPC分类号： C22C38/00 , C22C38/58
摘要： PROBLEM TO BE SOLVED: To provide stainless steel for an motorcycle brake disk capable of uniformly obtaining a quenching hardness of 31 to 37 by HRC required even in low temperature quenching at 900°C, and further having satisfactory corrosion resistance.
SOLUTION: The stainless steel for an motorcycle brake disk has a composition comprising 0.030 to 0.060% C, ≤0.5% Si, 0.5 to 2.0% Mn, 11.0 to 14.0% Cr, 0.3 to 4.0% Ni, 0.010 to 0.10% Nb and 0.007 to 0.030% N, and the balance Fe with impurities, and satisfying the inequality (1), and in which the value of Hc defined by the formula (2) is 31 to 37: Mn+4.1Ni≥2.5% (1), and Hc=145C-0.1Cr+0.8Mn+1.8Ni+6.8Nb+120N+26.8 (2); wherein, the atomic symbols in the inequality (1) and the formula (2) denote the content (mass%) of each element comprised in the steel.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：即使在900℃的低温淬火下，也能够通过HRC均匀地获得31〜37的淬火硬度的摩托车制动盘提供不锈钢，并且还具有令人满意的耐腐蚀性。解决方案：用于摩托车制动盘的不锈钢具有包括0.030至0.060％C，≤0.5％Si，0.5至2.0％Mn，11.0至14.0％Cr，0.3至4.0％Ni，0.010至0.10％ Nb和0.007〜0.030％的N，余量为Fe与杂质，满足不等式（1），其中由式（2）定义的Hc的值为31〜37：Mn +4.1Ni≥2.5％（ 1），Hc = 145C-0.1Cr + 0.8Mn + 1.8Ni + 6.8Nb + 120N + 26.8（2）; 其中，不等式（1）和式（2）中的原子符号表示钢中包含的每种元素的含量（质量％）。版权所有（C）2005，JPO＆NCIPI

8. 发明专利

JP2003328085A Austenitic stainless steel strip and manufacturing method therefor 审中-公开
标题翻译：奥氏体不锈钢带及其制造方法
公开(公告)号：JP2003328085A
公开(公告)日：2003-11-19
申请号：JP2002132196
申请日：2002-05-08
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： HATANO MASAHARU , TSUGE SHINJI , YAMAGISHI AKIHITO
IPC分类号： B22D11/00 , B22D11/12 , B22D11/18 , C21D9/46 , C22C38/00 , C22C38/40 , C22C38/58
摘要： PROBLEM TO BE SOLVED: To provide an austenitic stainless steel strip free from uneven brightness, and a manufacturing method for reliably obtaining the steel strip.
SOLUTION: (1) The austenitic stainless steel strip comprises less than 0.0010% sol.Al or less than 0.0020% sol.Al, 1.1-2.5% Mn, and more than 0.003% but 0.03% or less Ti, and has oxides existing on the surface layer controlled to an average particle diameter of 0.5 μm or less. (2) The method for manufacturing the austenitic stainless steel strip includes a step of continuously casting the molten steel having the above composition into a slab. The method preferably adopts one or more of controlling a range of a surface fluctuation of a bath surface in a mold to ±3 mm or less during continuously casting the steel, removing the slab surface of 1.5 mm or deeper, and controlling a temperature in finish annealing to 1,120°C or higher.
COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：提供一种没有不均匀亮度的奥氏体不锈钢带，以及可靠地获得钢带的制造方法。（1）奥氏体不锈钢带包括小于0.0010％的sol.Al或小于0.0020％的sol.Al，1.1-2.5％的Mn和大于0.003％但是0.03％或更少的Ti，并且具有存在于表面层上的氧化物控制在0.5μm以下的平均粒径。（2）奥氏体系不锈钢带的制造方法包括将具有上述组成的钢水连续铸造成板坯的工序。该方法优选在连续铸钢期间将模具中的浴表面的表面波动范围控制在±3mm以下的一种或多种，去除1.5mm以上的板坯表面，并控制精加工温度退火至1120℃以上。版权所有（C）2004，JPO

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