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1. 发明专利

JP2012036434A Bearing steel material 有权
标题翻译：轴承钢材
公开(公告)号：JP2012036434A
公开(公告)日：2012-02-23
申请号：JP2010176224
申请日：2010-08-05
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： OKAYAMA ATSUSHI , NISHI TAKAYUKI , NEISHI YUTAKA , MATSUMOTO HITOSHI , HIGASHIDA SHINJI
IPC分类号： C22C38/00 , C22C38/60
摘要： PROBLEM TO BE SOLVED: To provide a bearing steel material whose rolling-fatigue service life is improved which is suitable as the parts, such as "ball bearing", "roller bearing", being important parts in an automobile and an industrial machine.SOLUTION: The bearing steel material includes mass% of 0.5-1.2% C, 0.1-0.9% Si, 0.1-2.0% Mn, ≤0.03% P, 0.0003-0.03% S, ≤0.005% O, ≤0.02% N and further, 0.0002-0.021% Te, and is satisfied with Te/S>0.4, or 0.0001-0.016% Te and 0.0001-0.005% Ca, satisfied with (Te+Ca)/S>0.4, and has monotectic-solidified sulfidation-series inclusion. Instead of a part of Fe, a prescribed content of Al, or one or more elements among prescribed contents of Cr, Ti, V, Mo, Nb, Ni and REM(rare earth metals) can be contained.
摘要翻译：要解决的问题：为了提供适合作为汽车和工业中重要部件的“滚珠轴承”，“滚子轴承”等部件的滚动疲劳寿命提高的轴承钢材料机。
解决方案：轴承钢材料包括质量％为0.5-1.2％C，0.1-0.9％Si，0.1-2.0％Mn，≤0.03％P，0.0003-0.03％S，≤0.005％O，≤0.02％ N，进一步为0.0002-0.021％Te，满足Te（Te + Ca）/ S> 0.4的Te / S> 0.4或0.0001-0.016％Te和0.0001-0.005％Ca，并且具有单晶凝固硫化系列夹杂物。代替Fe的一部分，可以含有规定含量的Al，或规定含量的Cr，Ti，V，Mo，Nb，Ni和REM（稀土金属）中的一种或多种元素。版权所有（C）2012，JPO＆INPIT

2. 发明专利

JP2010059476A Hot dip galvanized steel sheet and method for producing the same 有权
标题翻译：热镀锌钢板及其制造方法
公开(公告)号：JP2010059476A
公开(公告)日：2010-03-18
申请号：JP2008226066
申请日：2008-09-03
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： HAGA JUN , NISHI TAKAYUKI , FURUHASHI SEIJI
IPC分类号： C22C38/00 , C21C7/00 , C21C7/04 , C21C7/06 , C21C7/10 , C21D9/48 , C22C38/14 , C22C38/58 , C23C2/06
摘要： PROBLEM TO BE SOLVED: To provide a hot dip galvanized steel sheet which is satisfactory in surface properties without any stripe patterns, and has excellent press formability.
SOLUTION: The surface of a steel sheet having a chemical composition containing, by mass%, C, Si, Mn, P, S, sol.Al, N, sol.Ti, Nb and O in prescribed amount ranges, and in which te contents of the sol.Ti and Nb satisfy the following equations (1) to (3), and the balance Fe with impurities, and in which the content of Ti oxides in oxide inclusions is ≥50.0% expressed in terms of TiO
2 and the content of Nb oxides is * /48+Nb/93)/(C/12+N
* /14)(1), Ti
* =max[sol.Ti-(48/14)×N, O](2) and N
* max[N-(14/48)×sol.Ti, O] (3), wherein, the symbols of elements in the respective equations denote the contents of the respective elements by mass%, and max[] represents the function returning the maximum value of argument in the brackets[].
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种在没有任何条纹图案的情况下表面性能令人满意的热浸镀锌钢板，并且具有优异的压制成形性。解决方案：具有以质量％计含有规定量范围的C，Si，Mn，P，S，sol.Al，N，sol.Ti，Nb和O的化学组成的钢板的表面，其中sol.Ti和Nb的te含量满足以下等式（1）至（3），余量为Fe与杂质，其中氧化物夹杂物中的Ti氧化物的含量为≥50.0％，以TiO 的Nb氧化物的含量为<1.0％，设有热浸镀锌层：1.0 <（Ti * SP / 48 + Nb / 93 ）/（C / 12 + N * / 14）（1），Ti * = max [sol.Ti-（48/14）×N，O] 2）和N * max [N-（14/48）×sol.Ti，O]（3），其中，各个等式中的元素的符号表示各个元素的内容，质量％，max []表示在括号[]中返回参数最大值的函数。版权所有（C）2010，JPO＆INPIT

3. 发明专利

JP2008214700A High-strength cold rolled steel sheet, high-strength galvannealed steel sheet, and method for manufacturing them 有权
标题翻译：高强度冷轧钢板，高强度钢筋钢板及其制造方法
公开(公告)号：JP2008214700A
公开(公告)日：2008-09-18
申请号：JP2007054511
申请日：2007-03-05
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： FURUHASHI SEIJI , HAGA JUN , NISHI TAKAYUKI
IPC分类号： C22C38/00 , C21D9/46 , C22C38/38 , C22C38/58 , C23C2/06
摘要： PROBLEM TO BE SOLVED: To provide a high-strength cold rolled steel sheet of tensile strength ≥340 MPa and high-strength plated steel sheet having the excellent surface appearance demanded for an outer panel for automobiles, extremely high r value in a 45° direction with respect to a rolling direction and excellent press formability, and to provide a method for manufacturing them.
SOLUTION: The high-strength cold rolled steel sheet has a chemical composition containing, by mass%, 0.005 to 0.025% C, ≤0.2% Si, 0.3 to 2.5% Mn, ≤0.15% P, ≤0.2% S, ≤0.06% N, 45 ) in a 45° direction with respect to the rolling direction is ≥1.80 and/or the average r value (r
m ) is ≥1.60 and the tensile strength is ≥340 MPa.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：待解决的问题：为了提供拉伸强度≥340MPa的高强度冷轧钢板和要求用于汽车外板的优异表面外观的高强度电镀钢板，在相对于轧制方向为45°的方向和优异的冲压成形性，并提供其制造方法。解决方案：高强度冷轧钢板具有以质量％计含有0.005〜0.025％C，≤0.2％Si，0.3〜2.5％Mn，≤0.15％P，≤0.2％S， ≤0.06％N，<0.005％sol.Al，0.005〜0.05％Ti，0.020〜0.200 Nb，Nb和Ti（Nb / Ti）含量的质量比≥2，由Fe和不可避免的平衡组成相对于轧制方向的45°方向的r值（r 45 ）为≥1.80的平均值（r m ） ≥1.60，拉伸强度≥340MPa。版权所有（C）2008，JPO＆INPIT

4. 发明专利

JP2011179049A Method for producing superclean steel 有权
标题翻译：生产超级钢的方法
公开(公告)号：JP2011179049A
公开(公告)日：2011-09-15
申请号：JP2010042894
申请日：2010-02-26
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： OKAYAMA ATSUSHI , NISHI TAKAYUKI
IPC分类号： C21C7/072
摘要： PROBLEM TO BE SOLVED: To provide a method for producing superclean steel by which the steel having high cleanliness can be effectively obtained by promoting coagulation flotation removal of inclusion in molten steel thereby shortening a refining time and improving the cleanliness of the steel.
SOLUTION: The method for producing the superclean steel is performed in such a manner that in ladle refining for blowing gas into the molten steel from a tuyere disposed at the bottom part of a ladle, a gas flow rate is periodically changed and in such a case: difference ΔEcyc(J/t) in stirring energy density ε per one tuyere, per unit time and per unit weight of the molten steel between the values of ε at the maximum gas flow rate and the minimum gas flow rate is ≥20, the stirring energy density ε being obtained by expression (1) of ε=(0.00618×Q×T/m)×[ln{1+(9.8×7000×h)/p}+(1-298/T)]; a period C(s) of change in the gas flow rate satisfies the relationship of 2≤ΔEcyc/C(W/t)≤5; and the stirring energy Σcyc(J/t) per one cycle of the change in the gas flow rate given to the molten steel as the integrated value of the difference of the stirring energy between at the minimum gas flow rate and at the maximum gas flow rate is 50-200.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：解决问题：提供一种生产超清洁钢的方法，通过促进凝固浮选除去钢水中的夹杂物，可以有效地获得清洁度高的钢，从而缩短精炼时间并提高钢的清洁度。解决方案：制造超净钢的方法是这样一种方式，即在从设置在钢包底部的风口将气体吹入钢水的钢包精炼中，气体流量周期性地变化，这种情况：在每一个风口的搅拌能量密度ε/每单位时间和钢水单位重量之间的差ΔEcyc（J / t）在最大气体流量和最小气体流量之间的ε值之间为≥ 如图20所示，通过式（1）ε=（0.00618×Q×T / m）×[1n1 +（9.8×7000×h）/ p} +（1-298 / T）]获得的搅拌能量密度ε; 气体流量的变化周期C（s）满足2≤ΔEcyc/ C（W / t）≤5的关系; 和每一个循环的搅拌能量Σcyc（J / t）作为作为最小气体流量和最大气体流量之间的搅拌能量差的积分值的给予到钢水的气体流量的变化率为50-200。版权所有（C）2011，JPO＆INPIT

5. 发明专利

JP2010280953A Method for restraining nozzle-blockade of zr-added steel and method for manufacturing minute-oxide dispersing steel 有权
标题翻译：用于限制ZR添加钢的喷嘴的方法和制造分钟氧化铝分散钢的方法
公开(公告)号：JP2010280953A
公开(公告)日：2010-12-16
申请号：JP2009135198
申请日：2009-06-04
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： OKAYAMA ATSUSHI , NISHI TAKAYUKI , YAMAZOE HIROAKI , MIYAZAWA TAKENORI
IPC分类号： C21C7/06 , B22D11/00 , B22D11/10 , C21C7/00 , C21C7/04 , C21C7/10 , C22C38/00 , C22C38/14 , C22C38/58
摘要： PROBLEM TO BE SOLVED: To surely restrain a nozzle-blockade of a Zr-added steel in a continuously casting with which dispersing state of ZrO 2 -inclusion in molten steel is made to the minute-granular diameter dispersion state without introducing large scaled facility and without lowering the productivity. SOLUTION: In the circulative-flowing type vacuum-degassing apparatus, the oxide in the molten steel is controlled to Al 2 O 3 -Ti 2 O 3 series by deoxidizing with Al and Ti in a steel-making temperature zone, and to the molten steel having ≤0.008% total oxygen concentration, Zr is added so as to satisfy formula (1): 0.04≤ Zr adding quantity (kg)/ämolten steel weight (kg)×total oxygen concentration (%)}≤0.07, and the Zr-added steel composed of 0.005-0.2% C, ≤0.5% Si, 0.5-2.0% Mn, ≤0.005 sol.Al, 0.005-0.03% Ti, 0.002-0.020% Zr, ≤0.008% O, 0.001-0.01% N and the balance Fe with impurities is made, and this Zr-added steel is cast. Thus, the nozzle-blockade in the casting is restrained. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：为了确定地限制在连续铸造中的Zr添加钢的喷嘴阻塞，其中使ZrO 2 - 分散在钢水中的分散状态达到分钟，颗粒直径分散状态，而不引入大规模设备，而不降低生产率。解决方案：在循环流动式真空脱气装置中，将钢水中的氧化物控制为Al 2 -Ti 2 < / SB> O 3 系列，通过在炼钢温度区中用Al和Ti进行脱氧，并且对于具有≤0.008％总氧浓度的钢水，添加Zr以满足式（1 ）：0.04≤Zr添加量（kg）/ä钢重量（kg）×总氧浓度（％）}≤0.07，由添加量为0.005-0.2％，Zr≤0.5％Si，0.5-2.0 ％Mn，≤0.005sol.Al，0.005-0.03％Ti，0.002-0.020％Zr，≤0.008％O，0.001-0.01％N，余量为Fe与杂质，并将该Zr添加钢铸造。因此，铸件中的喷嘴封锁受到限制。版权所有（C）2011，JPO＆INPIT

6. 发明专利

JP2010144225A Steel for machine structure and manufacturing method of the same 有权
标题翻译：其机械结构钢及其制造方法
公开(公告)号：JP2010144225A
公开(公告)日：2010-07-01
申请号：JP2008323114
申请日：2008-12-19
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： HIGASHIDA SHINJI , OGATA SACHIHIRO , MATSUMOTO HITOSHI , NISHI TAKAYUKI , NEISHI YUTAKA , WATARI KOJI , EGASHIRA MAKOTO
IPC分类号： C22C38/00 , C21C7/076 , C21D8/06 , C22C38/38 , C22C38/58
CPC分类号： Y02P10/242
摘要： PROBLEM TO BE SOLVED: To provide a steel for machine structure having good durability to breakage caused by fatigue, with which excellent fatigue strength in the side direction and machinability can be secured. SOLUTION: The steel for machine structure has a chemical composition composed of, by mass%, 0.13-0.50% C, 0.03-1.00% Si, 0.20-2.5% Mn, ≤0.040% P, >0.010 to 0.030% S, 0.05-2.5% Cr, ≤0.005% Al, ≤0.0005% Ca, ≤0.020% N, ≤0.0020% O and the balance Fe with impurities, and as regards non-metallic inclusion, the average composition of oxide, is 10-60% CaO, ≤35% Al 2 O 3 , ≤35% MnO and ≤15% MgO, and the arithmetical average values of the maximum thicknesses of the oxide and the arithmetical average values of the maximum thicknesses of the sulfide present in the area of 100 mm 2 at 10 positions in the vertical cross-section in the longitudinal direction of the steel, are ≤12 μm and 3.5-12 μm, respectively. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：解决的问题：提供一种具有良好耐疲劳耐久性的机械结构用钢，能够确保侧面疲劳强度和切削加工性优异的疲劳强度。解决方案：机械结构用钢具有以质量％计含有0.13-0.50％C，0.03〜1.00％Si，0.20〜2.5％Mn，≤0.040％P，> 0.010〜0.030％S的化学成分，0.05-2.5％Cr，≤0.005％Al，≤0.0005％Ca，≤0.020％N，≤0.0020％O，余量为Fe和杂质，非金属夹杂物的平均组成为10- 60％CaO，≤35％Al 2 3 ，≤35％MnO和≤15％MgO，和氧化物的最大厚度的算术平均值存在于钢的纵向垂直截面中的10个位置处的100mm 2 区域中存在的硫化物的最大厚度的算术平均值为≤12μm和3.5-12 μm。版权所有（C）2010，JPO＆INPIT

7. 发明专利

JP2010001533A METHOD FOR PRODUCING Mn ALLOY 有权
标题翻译：生产锰合金的方法
公开(公告)号：JP2010001533A
公开(公告)日：2010-01-07
申请号：JP2008161823
申请日：2008-06-20
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： NISHI TAKAYUKI , TAMURA TEPPEI , TOKUDA MAKOTO
IPC分类号： C22B47/00 , C22B9/10 , C22C22/00
摘要： PROBLEM TO BE SOLVED: To produce Mn and an Mn alloy containing 0.03 mass% or less phosphorus and preferably 0.02 mass% or less phosphorus, by effectively dephosphorizing the Mn and the Mn alloy with an inexpensive method which is suitable for mass production. SOLUTION: This production method includes dephosphorizing a molten Mn or Mn alloy containing 2.0 mass% or less carbon, 0.5 mass% or less oxygen and 60 mass% or more Mn at a molten metal temperature of 1,350 to 1,500°C, by using a flux which contains 80 mass% or more in total of CaF 2 and CaC 2 and also has a mass ratio thereof in a range satisfying the expression of (CaC 2 )/ä(CaC 2 )+(CaF 2 )}×100=30 to 65%. It is preferable to add at least one metal Ca source selected from metal Ca and a Ca alloy to the flux. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题为了通过以适合批量生产的廉价方法有效地使Mn和Mn合金脱磷，生产含有0.03质量％以下的磷，优选0.02质量％以下的磷的Mn和Mn合金。解决方案：该制造方法包括在熔融金属温度为1350〜1500℃下，将含有2.0质量％以下的碳，0.5质量％以下的氧，60质量％以上的Mn的熔融Mn或Mn合金，使用总共含有80质量％以上的CaF 2 SBB和CaC SB 2的焊剂，并且其质量比在满足表达式（CaC （CaC 2 ）+（CaF 2 ）}×100 = 30〜65％。优选将至少一种选自金属Ca和Ca合金的金属Ca源添加到助熔剂中。版权所有（C）2010，JPO＆INPIT

8. 发明专利

JP2009174021A High strength galvannealed steel sheet 有权
标题翻译：高强度钢化钢板
公开(公告)号：JP2009174021A
公开(公告)日：2009-08-06
申请号：JP2008015126
申请日：2008-01-25
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： FURUHASHI SEIJI , HAGA JUN , NISHI TAKAYUKI
IPC分类号： C22C38/00 , C21C7/06 , C21D9/48 , C22C38/14 , C22C38/58
摘要： PROBLEM TO BE SOLVED: To provide a galvannealed steel sheet for automobile outer sheet panel whose tensile strength is controlled to ≥390 MPa by the addition of a large quantity of a solid solution strengthening element Mn, and which is excellent in drawing formability and powdering resistance.
SOLUTION: The hot dip galvannealed steel sheet is composed of a steel sheet having a chemical composition containing 0.0005 to 0.025% C, ≤0.15% Si, 1.0 to 2.5% Mn, ≤0.06% P, ≤0.02% S, ≤0.006% N,
摘要翻译：要解决的问题：通过添加大量的固溶强化元素Mn，提供拉伸强度控制在≥390MPa的汽车外板的合金化热浸镀锌钢板，并且拉伸成型性优异耐粉化。热镀锌合金化热镀锌钢板由具有化学组成的钢板组成，其组成为：含有0.0005〜0.025％的C，≤0.15％的Si，1.0〜2.5％的Mn，≤0.06％的P，≤0.02％的S，≤ 0.006％N，<0.005％sol.Al，0.005〜0.05％Ti，0.05〜0.20％Nb，0.0020〜0.0100％O，余量为Fe与杂质。在化学组成中，代替Fe的一部分，可以含有0.0001〜0.0020％B，选自≤1％Cr，≤1％Mo，≤1％V，可以包含≤1％W，≤1％Cu和≤1％Ni，并且可以包含0.0020至0.0100％的O。版权所有（C）2009，JPO＆INPIT

9. 发明专利

JP2009136898A Fusible flux for submerged-arc welding 有权
标题翻译：用于焊接弧焊的可熔焊丝
公开(公告)号：JP2009136898A
公开(公告)日：2009-06-25
申请号：JP2007316223
申请日：2007-12-06
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： TANABE HIROHISA , HAMADA MASAHIKO , NISHI TAKAYUKI , HANAO MASAHITO
IPC分类号： B23K35/362
摘要： PROBLEM TO BE SOLVED: To provide a fusible flux for submerged-arc welding capable of compatibly realizing the reduction of the oxygen amount in a weld metal and the welding defect resistance by optimizing the composition of the flux and the viscosity of the molten slag.
SOLUTION: The flux has a chemical composition consisting of, by weight, optimizing 1-5% MnO, 5-40% CaO, ≤40% CaF
2 , 1-10% MgO, 30-45% Al
2 O
3 , 1-4.5% TiO
2 , 1-10% BaO, and the balance impurities. The composition of the flux is of the low-oxygen potential component system while ensuring the slag fluidity, and the viscosity of the molten slag at 1,500°C is set to be ≥0.1Poise and
摘要翻译：要解决的问题：为了提供一种用于潜焊电弧的可熔焊剂，其能够通过优化焊剂的组成和熔融物的粘度来兼容地实现焊接金属中的氧量的减少和焊接缺陷抗性矿渣。解决方案：焊剂具有由以下组成的化学组成：按重量计优化1-5％的MnO，5-40％的CaO，≤40％的CaF 2 ，1-10％的MgO，30 -45％的Al 2 SBB，3〜4％的TiO 2 SBO，1〜10％的BaO和余量的杂质。助熔剂的组成是确保炉渣流动性的低氧电位成分体系，熔点在1500℃时的粘度设定为≥0.1Poise和<1.00Poise。版权所有（C）2009，JPO＆INPIT

10. 发明专利

JP2006326642A Fused flux for submerged arc welding 有权
标题翻译：熔断焊接用于埋弧焊
公开(公告)号：JP2006326642A
公开(公告)日：2006-12-07
申请号：JP2005154118
申请日：2005-05-26
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： HAMADA MASAHIKO , NISHI TAKAYUKI
IPC分类号： B23K35/362 , B23K35/30 , C22C38/00
CPC分类号： C22C38/001 , C22C38/02 , C22C38/06 , C22C38/42 , C22C38/44 , C22C38/46 , C22C38/48 , C22C38/50 , C22C38/54 , C22C38/58
摘要： PROBLEM TO BE SOLVED: To provide fused flux for submerged arc welding suitable, e.g., for the stable production of a UOE steel pipe containing a weld metal having an oxygen content of ≤250 ppm on a strength level satisfying a tensile strength of ≥ a 75 kilogram class.
SOLUTION: The fused flux for submerged arc welding comprises 5 to 15% SiO
2 , 1 to 10% MnO, 10 to 30% CaO, 40 to 50% CaF
2 , 2 to 10% MgO, 2 to 20% Al
2 O
3 , 2 to 20% TiO
2 and 1 to 10% BaO at least by 95% in total. The fused flux may further comprise one or more kinds selected from 0.2 to 3% Na
2 O, 0.2 to 3% K
2 O and 0.1 to 1.0% B
2 O
3 .
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了提供适合于例如用于稳定生产含有氧含量≤250ppm的焊接金属的UOE钢管的熔敷焊剂，其强度水平满足抗拉强度 ≥75公斤级。解决方案：用于埋弧焊的熔融焊剂包括5至15％的SiO 2 SB，2至10％的MnO，10至30％的CaO，40至50％的CaF 2， SB，2〜10％的MgO，2〜20％的Al SB，2〜20％的TiO 2 SB和2〜20％ BaO至少95％以上。熔融焊剂可以进一步包含选自0.2至3％Na 2 SB 2，0.2至3％K SB 2和0.1至1.0％B SB中的一种或多种， 2 0 3 。版权所有（C）2007，JPO＆INPIT

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