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1. 发明专利

JP2008255445A Cold rolled steel sheet for enameling treatment and method for producing enameling worked product 有权
标题翻译：用于生产处理工艺产品的冷轧钢板和方法
公开(公告)号：JP2008255445A
公开(公告)日：2008-10-23
申请号：JP2007101073
申请日：2007-04-06
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： NISHIMURA SATORU , MURAKAMI HIDEKUNI
IPC分类号： C22C38/00 , C21D9/46 , C22C38/60 , C23D5/00
摘要： PROBLEM TO BE SOLVED: To provide a cold rolled steel sheet for enameling treatment having excellent enameling properties and workability, and having satisfactory adhesion of an oxide coating film to be formed on a non-glazed face in firing treatment after glazing, and to provide a method for producing an enameling worked product.
SOLUTION: The cold rolled steel sheet for enameling treatment has a composition containing, by mass, 0.0001 to 0.040% C, 0.0001 to 0.50% Si, 0.001 to 2.00% Mn, 0.0001 to 0.10% P, 0.0001 to 0.060% S, 0.0001 to 0.10% Al, 0.0001 to 0.015% N and 0.0001 to 0.070% O, and further containing at least one kind selected from among 0.002 to 2.00% Ni, 0.0005 to 2.00% Co, 0.001 to 2.00% Cr, 0.002 to 2.00% Cu, 0.0001 to 2.00% Mo and 0.0005 to 0.50% Ti, and satisfying Ni+Co+(Cr/2)+Cu+Mo+Ti: 0.010 to 8.0 and Mn/S: 5 to 40.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：解决的问题：提供具有优异的搪瓷性和加工性的搪瓷处理用冷轧钢板，并且在玻璃釉之后的烧成处理中具有令人满意的在未釉面上形成的氧化物被膜的粘合性，以及以提供生产搪瓷加工产品的方法。解决方案：用于搪瓷处理的冷轧钢板具有质量分数为0.0001至0.040％的C，0.0001至0.50％的Si，0.001至2.00％的Mn，0.0001至0.10％的P，0.0001至0.060％的S ，0.0001〜0.10％的Al，0.0001〜0.015％的N，0.0001〜0.070％的O，进一步含有选自0.002〜2.00％的Ni，0.0005〜2.00％的Co，0.001〜2.00％的Cr，0.002〜2.00 ％Cu，0.0001〜2.00％Mo和0.0005〜0.50％Ti，满足Ni + Co +（Cr / 2）+ Cu + Mo + Ti：0.010〜8.0，Mn / S：5〜40。 C）2009，JPO＆INPIT

2. 发明专利

JP2008050685A Non-oriented magnetic steel sheet with high strength 有权
标题翻译：高强度非磁性磁钢片
公开(公告)号：JP2008050685A
公开(公告)日：2008-03-06
申请号：JP2007110163
申请日：2007-04-19
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： ARITA YOSHIHIRO , MURAKAMI HIDEKUNI , MATSUMOTO MINORU , HARANAKA SAORI , KUBOTA TAKESHI
IPC分类号： C22C38/00 , B21B3/02 , C21D8/12 , C22C38/12 , H01F1/16
CPC分类号： C22C38/02 , C21D8/12 , C21D8/1272 , C21D9/46 , C22C38/04 , C22C38/06 , C22C38/08 , C22C38/12 , H01F1/14716 , H01F1/14791
摘要： PROBLEM TO BE SOLVED: To provide a non-oriented magnetic steel sheet having an excellent yield strength and suitable for use as an iron core material for high-speed rotary motors without sacrificing yield or productivity in punching for motor core production and in the production of the steel sheet. SOLUTION: The non-oriented magnetic steel sheet contains, in terms of mass%, 0.01 to 0.05% C, 2.0 to 4.0% Si, 0.05 to 0.5% Mn, up to 3.0% Al, and 0.01 to 0.05% Nb and preferably contains 0.5 to 3.0% Ni, the remainder being iron and incidental impurities. The amounts of manganese and carbon contained in terms of mass% satisfy Mn≤0.6-10×C; the areal proportion of recrystallized parts in a product sheet is 50% or higher, and the yield strength in a tensile test is 650 MPa or higher. A section of the product sheet has an average crystal grain diameter of 40 μm or smaller. A hot-rolled sheet used in the production has a transition temperature of 70°C or lower in an impact test. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种具有优异的屈服强度并且适合用作高速旋转马达的铁芯材料的无取向电磁钢板，而不牺牲用于电动机芯生产的冲压的成品率或生产率钢板的生产。解决方案：无取向电磁钢板以质量％计，含有0.01〜0.05％的C，2.0〜4.0％的Si，0.05〜0.5％的Mn，3.0％以下的Al和0.01〜0.05％的Nb 优选含有0.5〜3.0％的Ni，其余为铁和杂质。以质量％计含有的锰和碳的量满足Mn≤0.6〜10×C; 产品片中再结晶部分的面积比例为50％以上，拉伸试验的屈服强度为650MPa以上。产品片的一部分的平均晶粒直径为40μm以下。制造中使用的热轧板在冲击试验中的转变温度为70℃以下。版权所有（C）2008，JPO＆INPIT

3. 发明专利

JP2007217789A Enameled product and glaze 有权
标题翻译：有效的产品和玻璃
公开(公告)号：JP2007217789A
公开(公告)日：2007-08-30
申请号：JP2006194820
申请日：2006-07-14
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： NISHIMURA SATORU , SAKAMOTO TOSHIHARU , MURAKAMI HIDEKUNI
IPC分类号： C23D5/00 , C22C38/00 , C22C38/60 , C23C28/00
CPC分类号： C23C30/00 , C03C8/02 , C03C2207/04 , C22C38/02 , C22C38/04 , C22C38/16 , C23D5/00 , Y10T428/12493 , Y10T428/12951 , Y10T428/12972 , Y10T428/26 , Y10T428/31678
摘要： PROBLEM TO BE SOLVED: To provide enameled products which have improved tight adhesion of steel substrate and porcelain enamel layer and are excellent in the resistance to sulfuric or hydrochloric acid dew point corrosion; and a glaze. SOLUTION: An enameled product obtained by forming a porcelain enamel layer having a thickness of 50 to 700 μm on the surface of a substrate made of a steel containing by mass Cu: 0.05 to 0.5%, Si: 0.1 to 2.0%, Mn: 0.05 to 2.0%, P: 0.005 to 0.10%, S: 0.005 to 0.1%, and C: 0.20% or below with the balance being Fe and unavoidable impurities. The Co oxide content of the porcelain enamel layer is controlled to be 0.01 to 10% in terms of Co and/or the Ni oxide content thereof is controlled to be 0.05 to 20% in terms of Ni. Alternatively the total Ni content of the substrate and the porcelain enamel layer is controlled to be 0.005 to 4.5% based on the whole mass of the enameled product and/or the total Co content thereof is controlled to be 0.008 to 4.0% based thereon. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供具有改善的钢基材和瓷漆层的紧密粘合性并且耐硫酸或盐酸露点腐蚀性优异的漆包产品。和釉。解决方案：通过在由Cu含量为0.05〜0.5％，Si：0.1〜2.0％的钢制成的基板的表面上形成厚度为50〜700μm的瓷釉层而得到的漆包产品， Mn：0.05〜2.0％，P：0.005〜0.10％，S：0.005〜0.1％，C：0.20％以下，余量为Fe和不可避免的杂质。陶瓷瓷漆层的氧化钴含量以Co计为0.01〜10％，Ni的Ni氧化物含量控制在0.05〜20％。或者，基于漆包产物的整体质量将基底和瓷釉层的总Ni含量控制在0.005〜4.5％，和/或其总Co含量基于此控制在0.008〜4.0％。版权所有（C）2007，JPO＆INPIT

4. 发明专利

JP2006169611A Method for producing high strength magnetic steel sheet 有权
标题翻译：生产高强度磁钢板的方法
公开(公告)号：JP2006169611A
公开(公告)日：2006-06-29
申请号：JP2004367338
申请日：2004-12-20
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： MURAKAMI HIDEKUNI
IPC分类号： C21D8/12 , B21B3/02 , C22C38/00 , C22C38/06 , C22C38/60 , H01F1/16
摘要： PROBLEM TO BE SOLVED: To stably produce a high strength magnetic steel sheet having the high strength, e.g. ≥500 MPa tensile strength TS and wear resistance and provided with magnetic characteristics excellent in both magnetic flux density and iron loss without applying special components and producing condition. SOLUTION: In a method for producing the high strength magnetic steel sheet containing by mass% of ≤0.060% C, 0.2-4.0% Si, 0.05-3.0% Mn, ≤0.30% P, ≤0.040% S, ≤2.50% Al, ≤0.020% N or further, one or more kinds of 0.1-8.0% Cu and 0.03-8.0% Nb and remaining worked structure in the inner part of the steel sheet, the average crystal grain diameter D (μm) of the sheet just before process for finally forming the remaining worked structure in the inner part of the steel sheet is coarsened to D≥20 μm and as the desirable producing method, after giving the strain in the last working process, such heat treatment as that the worked structure is eliminated, is not applied. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了稳定地生产具有高强度的高强度电磁钢板，例如， ≥500MPa的抗拉强度TS和耐磨性，并且具有优异的磁通密度和铁损的磁特性，而不应用特殊部件和生产条件。解决方案：在以质量百分比为≤0.060％C，0.2-4.0％Si，0.05-3.0％Mn，≤0.30％P，≤0.040％S，≤2.50的高强度电磁钢板的制造方法中，％Al，≤0.020％N，进一步，在钢板内部含有0.1-8.0％的Cu和0.03-8.0％的Nb和保留的加工结构，其平均晶粒直径D（μm）在钢板内部最终形成剩余加工结构的工序之前的板材粗大化为D≥20μm，作为所需的制造方法，在最后的加工工序中产生应变后，进行如此加工的热处理结构消除，不适用。版权所有（C）2006，JPO＆NCIPI

5. 发明专利

JP2006045641A Nonoriented silicon steel sheet having excellent magnetic property in the direction of 45° from rolling direction and its production method 有权
标题翻译：具有优异磁性的非磁性硅钢片，从滚动方向向45°方向及其生产方法
公开(公告)号：JP2006045641A
公开(公告)日：2006-02-16
申请号：JP2004230693
申请日：2004-08-06
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： MURAKAMI HIDEKUNI
IPC分类号： C22C38/00 , C21D8/12 , C22C38/06 , H01F1/16
摘要： PROBLEM TO BE SOLVED: To provide a nonoriented silicon steel sheet in which magnetic properties in the direction of 45° from the rolling direction are particularly excellent, the average of the magnetic properties in the plane is high, and the anisotropy thereof in the plane is extremely reduced, and to provide its production method. SOLUTION: The nonoriented silicon steel sheet has a composition comprising ≤0.040% C, 0.05 to 3.5% Si, ≤3.0% Mn, ≤3.5% Al, ≤0.055% S, ≤0.25% P and ≤0.040% N, and satisfying (B 0 +B 90 )/2-B 45 ≤0.040; wherein, regarding each variable, B 0 , B 45 and B 90 denote the magnetic flux density/T in the directions of 0°, 45° and 90° from the rolling direction at the time of controlling induced current density to 5,000 A/m. In its production method, a molten steel is solidified into a slab with a thickness of ≥50 mm by casting, shearing strain is imparted thereto in the hot rolling temperature range of 500 to 850°C, cold rolling is performed as the rolled structure is left, and recrystallization annealing is performed. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了提供一种非线性硅钢板，其中从轧制方向的45°方向的磁特性特别优异，平面中的磁特性的平均值高，并且其各向异性在飞机极度减少，并提供其生产方法。解决方案：非取向硅钢板具有包括≤0.040％C，0.05-3.5％Si，≤3.0％Mn，≤3.5％Al，≤0.055％S，≤0.25％P和≤0.040％N的组成，并且满足（B 0 + B 90 ）/ 2-B ≤0.040; 其中，对于每个变量，B 0 ，B 45 和B 90 表示0°，45°方向的磁通密度/ T 控制感应电流密度时的轧制方向为0°〜90°。在其制造方法中，通过铸造将钢水凝固成厚度≥50mm的板坯，在500〜850℃的热轧温度范围内赋予剪切应变，在轧制结构为然后进行再结晶退火。版权所有（C）2006，JPO＆NCIPI

6. 发明专利

JP2005330527A Non-oriented electrical steel sheet with excellent magnetic property 有权
标题翻译：具有优异磁性的非指定电工钢板
公开(公告)号：JP2005330527A
公开(公告)日：2005-12-02
申请号：JP2004148926
申请日：2004-05-19
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： ARITA YOSHIHIRO , MURAKAMI HIDEKUNI , MATSUMOTO MINORU
IPC分类号： C22C38/00 , C22C38/14 , C22C38/16 , H01F1/16
摘要： PROBLEM TO BE SOLVED: To provide a non-oriented electrical steel sheet having excellent magnetic properties by suppressing nitridation which occurs in a steel sheet containing >0.0010% S and satisfying Sas[MnS+Cu 2 S]≤0.0010%. SOLUTION: The non-oriented electrical steel sheet has a composition consisting of, by mass, ≤3.5% Si, ≤1.5% Mn, 0.1 to 3.0% Al, ≤0.0050% C, ≤0.0030% (more desirably ≤0.0010%) Ti, ≤0.0050% N, 0.0011 to 0.0030% S, ≥0.0005% Ca+Mg, 0.01 to 0.2% Sn and the balance Fe with inevitable impurities and satisfying Sas[MnS+Cu 2 S]≤0.0010% by mass. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：解决的问题：提供一种通过抑制在含有> 0.0010％S且满足Sas [MnS + Cu 2 ]的钢板中发生的氮化而具有优异的磁特性的无取向电工钢板 S]≤0.0010％。解决方案：该无取向电工钢板的质量组成为：≤3.5％的Si，≤1.5％的Mn，0.1〜3.0％的Al，≤0.0050％的C，≤0.0030％（更优选的是≤0.0010 ％）Ti，≤0.0050％N，0.0011〜0.0030％S，≥0.0005％Ca + Mg，0.01〜0.2％Sn，余量为Fe与不可避免的杂质，满足Sas [MnS + Cu 2 ]≤0.0010质量％。版权所有（C）2006，JPO＆NCIPI

7. 发明专利

JP2005290514A Non-oriented magnetic steel sheet having excellent magnetic characteristic 有权
标题翻译：具有优异磁特性的非磁性磁钢片
公开(公告)号：JP2005290514A
公开(公告)日：2005-10-20
申请号：JP2004110003
申请日：2004-04-02
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： ARITA YOSHIHIRO , MURAKAMI HIDEKUNI , TAKADA YOSHIHISA , NAKAMURA SHUICHI
IPC分类号： C22C38/00 , C22C38/16 , H01F1/16
摘要： PROBLEM TO BE SOLVED: To provide a non-oriented magnetic steel sheet having excellent magnetic characteristics by suppressing nitridation caused in a steel sheet containing S of >0.0010% and S as [MnS+Cu 2 S] of ≤0.0010% . SOLUTION: The non-oriented silicon steel sheet having the excellent magnetic characteristics contains, by mass%, ≤3.5% Si, ≤1.5% Mn, ≥0.1 to ≤3.0% Al, ≤0.0050% C, ≤0.0030%, preferably ≤0.0010%Ti, ≤0.0050 N, ≥0.0011 to ≤0.0030% S, ≥0.0011 to ≤1.0% Ni, Ni at 1/2 of Cu if Cu is ≥0.3%, further contains ≥0.005% Ca+Mg+(REM/4) and consists of the balance Fe and inevitable impurities and is characterized by that S as [MnS+Cu 2 S] is ≤0.0010% by mass%. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：通过抑制S> 0.0010％的S钢板中产生的氮化作为[MnS + Cu 2 ]来提供具有优异磁特性的非取向电磁钢板， S]≤0.0010％。解决方案：具有优异磁特性的无取向硅钢板以质量％计含有≤3.5％Si，≤1.5％Mn，≥0.1至≤3.0％Al，≤0.0050％C，≤0.0030％，优选≤0.0010％Ti，≤0.0050N，≥0.0011〜≤0.0030％S，≥0.0011〜≤1.0％Ni，Cu在Cu为≥0.3％时为1/2时的Ni，进一步含有≥0.005％的Ca + Mg + / 4），由余量Fe和不可避免的杂质组成，其特征在于[MnS + Cu 2 S]的S≤0.0010质量％。版权所有（C）2006，JPO＆NCIPI

8. 发明专利

JP2005256014A Steel plate for welded can having excellent weldability, adhesiveness and corrosion resistance 有权
标题翻译：用于焊接的钢板可以具有优异的焊接性，粘合性和耐腐蚀性
公开(公告)号：JP2005256014A
公开(公告)日：2005-09-22
申请号：JP2004064995
申请日：2004-03-09
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： HIRANO SHIGERU , MURAKAMI HIDEKUNI , ENOMOTO AKIHIRO
IPC分类号： C25D11/38 , C23C8/26 , C23C28/00 , C25D5/12 , C25D5/50
CPC分类号： C23C28/34 , C23C28/321 , C23C28/322 , C23C28/345 , C23C28/3455
摘要： PROBLEM TO BE SOLVED: To provide a steel plate for a welded can as a stock for manufacturing a can having excellent weldability, coating-adhesiveness, film adhesiveness and corrosion resistance.
SOLUTION: In the steel plate for the welded can, a Ni-plated layer containing 5-150 mg/m
2 NI or a base Ni layer subjected to Fe-Ni alloy plating is provided on a steel plate having a nitrided layer on a surface layer, Sn-plating of 300-3,000 mg/m
2 is applied thereon, a part of or the entire base Ni layer and a part of the Sn-plated layer are alloyed by the tin melting treatment, island-like Sn-plated layer is formed, and a chromate film of 2-30 mg/m
2 in terms of metal Cr is deposited on an outermost layer.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种用于焊接罐的钢板作为用于制造具有优异的焊接性，涂层粘附性，膜粘附性和耐腐蚀性的罐的原料。
解决方案：在用于焊接罐的钢板中，将含有5-150mg / m 2 SP2的Ni镀层或经过Fe-Ni合金电镀的基底Ni层设置在在表面层上具有氮化层的钢板，在其上施加300-3000mg / m 2 SP-3的Sn镀层，一部分或全部基底Ni层和一部分Sn- 镀层通过锡熔化处理合金化，形成岛状Sn镀层，以金属Cr计为2-30mg / m 2＆lt; SP＆gt;的铬酸盐膜沉积在最外层。版权所有（C）2005，JPO＆NCIPI

9. 发明专利

JP2005199311A Method for manufacturing non-oriented magnetic steel sheet which is excellent in in-plane mean of magnetic properties and extremely small in in-plane anisotropy 有权
标题翻译：制造非平面磁性材料的非磁性磁性薄板的方法，在平面内均匀性优异，并且非常小的平面内各向异性
公开(公告)号：JP2005199311A
公开(公告)日：2005-07-28
申请号：JP2004008173
申请日：2004-01-15
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： MURAKAMI HIDEKUNI , FUJIKURA MASAHIRO
IPC分类号： B21B3/02 , C21D8/12 , C22C38/00 , C22C38/06 , H01F1/16
摘要： PROBLEM TO BE SOLVED: To provide a manufacturing method of a non-oriented magnetic steel sheet which is excellent in core loss and flux density of in-plane mean and is extremely small in the in-plane anisotropy of these characteristics. SOLUTION: Molten steel consisting of, by mass, ≤0.040% C, 0.05-3.5% Si, ≤3.0% Mn, ≤3.5% Al, ≤0.015% S, ≤0.25% P and ≤0.040% N is solidified into a slab of ≥50 mm thick by casting, rolling of ≥1.0 in logarithm strain is performed in the temperature range of 500-850°C in the rolling temperature, furthermore rolling in the temperature range of ≥900°C in rolling temperature is taken as ≤3.0 in logarithm strain, ≤1,100°C in the temperature of the slab, ≤750°C in coiling temperature. Where, the logarithm strain is the natural logarithm of ( thickness before rolling )/( thickness after rolling ). COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：解决的问题：提供一种磁芯损耗和面内平均通量密度优异的非取向性电磁钢板的制造方法，并且这些特性的面内各向异性极小。
解决方案：以质量计，≤0.040％C，0.05-3.5％Si，≤3.0％Mn，≤3.5％Al，≤0.015％S，≤0.25％P和≤0.040％N组成的熔钢固化通过铸造成厚度≥50mm的板坯，在轧制温度范围内在500-850℃的温度范围内进行对数应变≥1.0的轧制，此外在轧制温度范围内≥900℃的轧制在对数应变中≤3.0，板坯温度≤1,100℃，卷取温度≤750℃。其中，对数应变为（轧制前厚度）/（轧制后的厚度）的自然对数。版权所有（C）2005，JPO＆NCIPI

10. 发明专利

JP2005146321A Steel having fine structure, and its production method 审中-公开
标题翻译：具有精细结构的钢及其生产方法
公开(公告)号：JP2005146321A
公开(公告)日：2005-06-09
申请号：JP2003383379
申请日：2003-11-13
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： MURAKAMI HIDEKUNI
IPC分类号： B21B1/38 , C21D1/06 , C21D1/76 , C21D8/00 , C22C38/00 , C22C38/06 , C22C38/60
CPC分类号： Y02P10/212
摘要： PROBLEM TO BE SOLVED: To produce high strength steel in which fine crystal grains are formed while the quantity of alloys increasing production cost to be added is reduced, thus, in addition to the increase in strength, the coexistence of high ductility, high toughness, brittle crack resistance, wear resistance, high fatigue properties, and satisfactory surface treatability required in accordance with application in every application to automobiles, vessels, tanks, buildings, shipbuilding, civil engineering, rails, electrical components, steel tubes or the like where steel is generally used is attained. SOLUTION: The incorporation of Cr and Ni is not made requisite, N is incorporated by 0.05 to 4.0%, the content of Mn is controlled to ≤10.0%, each content of Si and Al is controlled to ≤4.0%, heat treatment is performed at a temperature in which the abundance ratio of an austenitic phase reaches ≥70% by a volume ratio, and thereafter, cooling is performed to control the crystal grain size of a ferritic phase in the metallic structure to ≤3.0 μm. For making the fining effect of the structure more remarkable, in addition to the heat history of heating temperature/time, heating/cooling velocity, the control in the times of the heat treatment, the application of strain under the heat treatment or the like are performed. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题为了生产其中形成细晶粒的高强度钢，同时增加添加的生产成本的合金量减少，因此除了强度的增加之外，高延展性的共存，适用于汽车，船舶，水箱，建筑物，造船，土木工程，轨道，电气部件，钢管等的高韧性，耐脆性，抗裂性，耐磨性，高疲劳特性和满足表面处理性通常使用钢。
解决方案：不需要掺入Cr和Ni，N掺入0.05〜4.0％，Mn含量控制在≤10.0％，Si和Al的含量控制在≤4.0％，热量在奥氏体相的丰度比以体积比达到≥70％的温度进行处理，然后进行冷却，将金属组织中的铁素体相的晶粒尺寸控制为≤3.0μm。为了使结构的澄清效果更加显着，除了加热温度/时间，加热/冷却速度的热历史，热处理时间的控制，热处理等下的应变的应用执行。版权所有（C）2005，JPO＆NCIPI

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