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1. 发明专利

JP2005013535A Steel shaft for golf club 审中-公开
标题翻译：高尔夫俱乐部的钢轴
公开(公告)号：JP2005013535A
公开(公告)日：2005-01-20
申请号：JP2003183808
申请日：2003-06-27
申请人： Nippon Shaft Co Ltd , Nisshin Steel Co Ltd , 日新製鋼株式会社 , 日本シャフト株式会社
发明人： JUFUKU HIROYUKI , OMOSAKO KOJI , KADANI SHOICHI , HIRAMATSU TERUSHI
IPC分类号： A63B53/12 , C21D9/00 , C22C38/00 , C22C38/40 , C22C38/50
摘要： PROBLEM TO BE SOLVED: To provide a lightweight steel shaft excellent in properties of strengths, toughness, elasticity, repulsion, and the like, by refining it to have a metallographic texture comprising an appropriately controlled amount of retained austenite through quenching and tempering. SOLUTION: This steel shaft is made of a welded steel pipe comprising 0.40-0.70 mass% C, not more than 0.60 mass% Si, 0.60-1.20 mass% Mn, not more than 0.020 mass% P, not more than 0.015 mass% S, not more than 0.05 mass% Al, 0.30-1.00 mass% Cr and 0.30-1.20 mass% Ni and heat-treated to the metallographic texture comprising 3-8% by area ratio of the retained austenite, wherein the steel pipe is fabricated into a shaft form and then quenched and tempered. A steel material comprising one kind or two or more kinds selected from the group consisting of 0.10-0.50 mass% Mo, 0.05-0.40 mass% V, 0.03-0.15 mass% Nb, 0.05-0.50 mass% Ti, not more than 0.30 mass% Cu and not more than 0.01 mass% Ca can be used as well. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了提供优异的强度，韧性，弹性，排斥性等优异的轻质钢轴，通过将其精炼成具有通过淬火回火的包含适当控制量的残余奥氏体的金相组织。解决方案：该钢轴由焊接钢管制成，包括Si：0.40-0.70质量％，Si：0.60质量％，Mn：0.60-1.20质量％，P：0.020质量％以下，P：0.015以下质量％S，不大于0.05质量％的Al，0.30-1.00质量％的Cr和0.30-1.20质量％的Ni，并对包含残余奥氏体的3-8面积比的金相组织进行热处理，其中钢管制成轴形，然后淬火和回火。包含选自0.10-0.50质量％Mo，0.05-0.40质量％V，0.03-0.15质量％Nb，0.05-0.50质量％Ti，不大于0.30质量％中的一种或两种以上的钢材也可以使用Cu和不大于0.01质量％的Ca。版权所有（C）2005，JPO＆NCIPI

2. 发明专利

JP2005034517A Golf club steel shaft, and manufacturing method thereof 审中-公开
标题翻译：高尔夫俱乐部钢轴及其制造方法
公开(公告)号：JP2005034517A
公开(公告)日：2005-02-10
申请号：JP2003276483
申请日：2003-07-18
申请人： Nippon Shaft Co Ltd , Nisshin Steel Co Ltd , 日新製鋼株式会社 , 日本シャフト株式会社
发明人： JUFUKU HIROYUKI , OMOSAKO KOJI , KADANI SHOICHI , HIRAMATSU TERUSHI
IPC分类号： A63B53/12 , C21D1/18 , C22C38/00 , C22C38/18 , C22C38/50
摘要： PROBLEM TO BE SOLVED: To provide a golf club steel shaft sufficiently maintaining strength and durability even if the thickness is reduced (weight reduction). SOLUTION: The golf club steel shaft is made of a welded steel pipe having a composition including 0.40-0.70 % of C, ≤0.60 % of Si, 0.60-1.20 % of Mn, ≤0.020 % of P, ≤0.015 % of S, ≤ 0.050 % of Al, and 0.30-1.00 % of Cr, and including one or more of 0.30-1.20 % of Ni, 0.10-0.50 % of Mo, 0.05-0.40 % of V, 0.03-0.15 % of Nb, 0.05-0.50 % of Ti, ≤0.30 % of Cu, and ≤0.01 % of Ca as required, and transformed into a complete martensitic structure by a sub-zero treatment after quenching. The golf club steel shaft is manufactured by subjecting the molded welded steel pipe to the quenching, the sub-zero treatment to a temperature of ≤-80°C, and the tempering at a temperature of 200-350°C. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：即使厚度减小（重量减轻），也能够充分保持强度和耐久性的高尔夫球杆钢轴。解决方案：高尔夫球杆钢轴由焊接钢管制成，其组成包括C：0.40-0.70％，Si0.60％，Mn 0.60-1.20％，P0.020％，≤0.015％的S，≤0.050％的Al和0.30〜1.00％的Cr，并且包括0.30-1.20％的Ni，0.10-0.50％的Mo，0.05-0.40％的V，0.03-0.15％的Nb中的一种或多种，0.05-0.50％的Ti，≤0.30％的Cu和≤0.01％的Ca，并且在淬火后通过次零处理转变为完全的马氏体结构。高尔夫球杆钢轴是通过对模制的焊接钢管进行淬火，次零处理至≤-80℃的温度，并且在200-350℃的温度下进行回火来制造的。版权所有（C）2005，JPO＆NCIPI

3. 发明专利

JP2006291236A Middle and high carbon steel sheet with high-strength superior in stampability 有权
标题翻译：具有高强度中高耐磨性的中高碳钢板
公开(公告)号：JP2006291236A
公开(公告)日：2006-10-26
申请号：JP2005108955
申请日：2005-04-05
申请人： Nisshin Steel Co Ltd , 日新製鋼株式会社
发明人： KATAGIRI YUKIO , SUZUKI MASAHITO , INOUE MAKOTO , HIRAMATSU TERUSHI
IPC分类号： C22C38/00 , C22C38/06 , C22C38/50
摘要： PROBLEM TO BE SOLVED: To provide a middle and high carbon steel sheet with high-strength which has high strength and superior stampability and is suitable for parts for various machine structures.
SOLUTION: The middle and high carbon steel sheet with high-strength has a metallurgical structure in which carbides with an average particle diameter of 0.30 μm or smaller are dispersed in a matrix consisting of ferritic crystal grains with an average grain size of 2.0 μm or smaller; contains C in an amount of 0.30 to 1.00 mass%; and is thermally refined into the hardness of 250 HV. Specifically, the steel sheet has a composition comprising 2.0 mass% Si or less, 1.0 mass% Mn or less, 0.03 mass% P or less, 0.02 mass% S or less, 0.1 mass% acid-soluble Al or less in addition to 0.30-1.00 mass% C, and the balance substantially Fe; and may also further include one or more elements of 2.0 mass% Cr or less, 0.5 mass% Mo or less, 0.3 mass% Cu or less, 2.0 mass% Ni or less and 0.10 mass% Ti or less.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供具有高强度和优异的冲压性的高强度的中高碳钢板，适用于各种机械结构的部件。解决方案：具有高强度的中高碳钢板和高碳钢板具有冶金结构，其中平均粒径为0.30μm或更小的碳化物分散在由平均粒径为2.0的铁素体晶粒组成的基体中 μm以下; 含有0.30〜1.00质量％的C; 并被热精炼成250HV的硬度。具体地说，钢板的组成包括2.0质量％以下，1.0质量％以下，0.03质量％以下，0.02质量％以下，0.1质量％以下的酸溶性Al以下，0.30以下 -1.00质量％C，余量基本为Fe; 还可以包含2.0质量％以下Cr，0.5质量％以下，0.3质量％以下Cu，2.0质量％以下，0.10质量％Ti以下的1种以上的元素。版权所有（C）2007，JPO＆INPIT

4. 发明专利

JP2005336560A High-carbon steel sheet for precision-blanked parts, and precision-blanked parts 审中-公开
标题翻译：精密零件高精碳钢板及精密零件
公开(公告)号：JP2005336560A
公开(公告)日：2005-12-08
申请号：JP2004157754
申请日：2004-05-27
申请人： Nisshin Steel Co Ltd , 日新製鋼株式会社
发明人： TAGASHIRA SATOSHI , IWAO TOMOYOSHI , HIRAMATSU TERUSHI
IPC分类号： C21D9/46 , C22C38/00 , C22C38/18 , C22C38/54
摘要： PROBLEM TO BE SOLVED: To provide a high-carbon steel sheet which has both of a precision-blanking property and mechanical characteristics after having been heat-treated, and is suitable for manufacture of machine parts made of a steel with high hardness, such as a bearing and a gear.
SOLUTION: The steel sheet has a chemical composition comprising, by mass, 0.7-0.9% C, 0.5% or less Si, 0.2-1.2% Mn, 0.02% or less P, 0.01% or less S, 0.1-1.0% Cr and the balance substantially Fe; has a structure consisting of the carbides which has the maximum length of 5.0 μm or less, has a spheroidized rate of 90% or higher and contains the spheroidized carbides with a particle size of 2.0 μm or larger in an amount of two or less pieces per 100 μm
2 when the cross section is observed with a microscope, and of equiaxial ferrite; and further has a hardness of 200 HV or lower in the cross section.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种在经过热处理后具有精密冲裁性能和机械特性两者的高碳钢板，并且适用于制造由高硬度钢制成的机器部件，如轴承和齿轮。解决方案：钢板具有以质量计含有0.7-0.9％C，0.5％或更少的Si，0.2-1.2％Mn，0.02％或更少的P，0.01％或更少的S，0.1-1.0 ％Cr，余量基本上为Fe; 具有由最大长度为5.0μm以下的碳化物构成的结构，球状化率为90％以上，并且含有粒径为2.0μm以上的粒径为2.0μm以上的球状化碳化物的结构为2个以下当用显微镜观察横截面时，用等轴铁素体观察100μm×SP> 2 并且在横截面中还具有200HV或更低的硬度。版权所有（C）2006，JPO＆NCIPI

5. 发明专利

JP2007302984A Steel sheet for door member and its production method 有权
标题翻译：门零件钢板及其生产方法
公开(公告)号：JP2007302984A
公开(公告)日：2007-11-22
申请号：JP2006135549
申请日：2006-05-15
申请人： Nisshin Steel Co Ltd , 日新製鋼株式会社
发明人： KADANI SHOICHI , NAKAHARA NORIYUKI , HIRAMATSU TERUSHI
IPC分类号： C22C38/00 , C21D9/46 , C22C38/38 , C22C38/58 , E06B3/76
摘要： PROBLEM TO BE SOLVED: To provide a steel sheet for a door member in which piercing time upon drilling is ≥6 times compared with that in the conventional material, and which prevents trespass by drilling.
SOLUTION: The steel sheet for a door member has a composition comprising, by mass, 0.3 to 1.3% C, ≤2.5% Si, 0.1 to 2.0% Mn, ≤0.05% P, ≤0.05% S and 0.8 to 2.0% Cr, and, if required, comprising one or more kinds selected from 0.1 to 1.5% Ni, ≤2.0% Mo, ≤0.5% V and 0.005 to 0.1% Nb. The steel sheet has a martensitic structure whose hardness at ordinary temperature is ≥450 HV, and its hardness at 400°C is refined to ≥380 HV. The steel sheet is produced by quenching from 800 to 950°C or tempering at 200 to 600°C after the quenching.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于门部件的钢板，其中，与常规材料相比，钻孔时的穿孔时间≥6次，并且防止钻孔侵入。＆lt; P＆gt;解决方案：门构件用钢板具有质量分数为0.3〜1.3％的C，≤2.5％的Si，0.1〜2.0％的Mn，≤0.05％的P，≤0.05％的S和0.8〜2.0 ％Cr，并且如果需要，包含选自0.1至1.5％Ni，≤2.0％Mo，≤0.5％V和0.005至0.1％Nb中的一种或多种。该钢板具有常压硬度≥450HV的马氏体组织，其硬度在400℃下精制至≥380HV。钢板通过淬火800〜950℃，淬火后在200〜600℃回火。版权所有（C）2008，JPO＆INPIT

6. 发明专利

JP2006299363A Method for producing copper-plated steel sheet for electric contacting point 有权
标题翻译：用于生产电接触点的镀铜钢板的方法
公开(公告)号：JP2006299363A
公开(公告)日：2006-11-02
申请号：JP2005125151
申请日：2005-04-22
申请人： Nisshin Steel Co Ltd , 日新製鋼株式会社
发明人： NAKAHARA NORIYUKI , KADANI SHOICHI , HIRAMATSU TERUSHI
IPC分类号： C21D9/46 , B21B1/22 , C22C38/00 , C22C38/04 , C25D5/26 , C25D5/48 , C25D7/00
摘要： PROBLEM TO BE SOLVED: To produce a Cu-plated steel sheet excellent in the electric-conductivity and elasticity in high productivity.
SOLUTION: The steel sheet having the composition by mass% of 0.1-0.6% C, ≤0.6% Si, 0.1-1.5% Mn, ≤0.05% P, ≤0.05% S, and ≤300 HV hardness of the basic material, is used as a plating sheet. After fitting the Cu-plated layer having ≥1.5μm plated thickness per one side surface to both surfaces of the steel sheet, a cold-rolling is applied and a low temperature annealing is performed at 300-500°C for 1-3hr. The reduction of area R at the cold-rolling time, is set to a value satisfying 15≤R 2 in the case of being the plated thickness T:1.5-8μm, and R is set to in the range of 15-80% in the case of being the plated thickness T>8μm.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：以高生产率制造导电性和弹性优异的镀铜钢板。
解决方案：以质量％计含碳组成的钢板，≤0.6％的Si，0.1-1.5％的Mn，≤0.05％的P，≤0.05％的S和≤300的HV硬度材料用作电镀片。在将钢板的每个表面的镀层厚度为1.5μm的镀铜层安装到钢板的两面之后，进行冷轧，在300-500℃下进行1-3小时的低温退火。在镀层厚度T为1.5-8μm的情况下，将冷轧时的面积R的减少设定为满足15≤R<2.1 + 17.1T-0.92T 2 的值在电镀厚度T>8μm的情况下，将R设定在15〜80％的范围内。版权所有（C）2007，JPO＆INPIT

7. 发明专利

JP2006283175A High carbon steel sheet having excellent machinability 有权
标题翻译：高碳钢板具有优异的机械性能
公开(公告)号：JP2006283175A
公开(公告)日：2006-10-19
申请号：JP2005108223
申请日：2005-04-05
申请人： Nisshin Steel Co Ltd , 日新製鋼株式会社
发明人： KATAGIRI YUKIO , SUZUKI MASAHITO , HIRAMATSU TERUSHI
IPC分类号： C22C38/00 , C22C38/06 , C22C38/58
摘要： PROBLEM TO BE SOLVED: To provide a high-carbon steel sheet which is machined to product shapes of machine parts and parts for automobiles, etc., by improving machinability without depending on deposition of graphite and addition of free-cutting elements.
SOLUTION: The high-carbon steel sheet contains 0.6 to 1.5mass% C, ≤1.0mass% Si, 0.1 to 2.0mass% Mn, ≤0.02mass% S, ≤0.03mass% P, and 0.005 to 0.20mass% Al, has an area rate of 40 to 80% and lamella spacing of ≥0.4 μm and is made into a mixed structure of pearlite, ferrite+spherical or bar-shaped cementite. If necessary, one or two or more of ≤2.5mass% Ni,≤2.0 mass% Cr, ≤1.0mass% Mo and/or one or two or more of ≤0.07mass% Ti, ≤0.07mass% Nb, ≤0.4mass% V. and ≤0.07mass% B may be incorporated therein.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种通过提高机械加工性而不依赖于石墨沉积并添加自由切削元件而加工成机械零件和汽车零件形状的高碳钢板。
解决方案：高碳钢板含有0.6〜1.5质量％的C，≤1.0质量％的Si，0.1〜2.0质量％的Mn，≤0.02质量％S，≤0.03质量％的P，0.005〜0.20质量％ Al，面积率为40〜80％，薄片间距≥0.4μm，制成珠光体，铁素体+球形或棒状渗碳体的混合结构。如果需要，≤2.5质量％Ni，≤2.0质量％Cr，≤1.0质量％Mo中的一种或两种以上，和/或≤0.07质量％Ti，≤0.07质量％Nb，≤0.4质量的一种或两种以上可以加入％V.和≤0.07质量％B。版权所有（C）2007，JPO＆INPIT

8. 发明专利

JP2004025705A Surface treated steel plate for spring excellent in conductivity 审中-公开
公开(公告)号：JP2004025705A
公开(公告)日：2004-01-29
申请号：JP2002187592
申请日：2002-06-27
申请人： Nisshin Steel Co Ltd , 日新製鋼株式会社
发明人： NAKAHARA NORIYUKI , TAGASHIRA SATOSHI , HIRAMATSU TERUSHI
IPC分类号： F16F1/18 , B32B7/02 , B32B15/18 , B32B15/20 , C25D5/26 , C25D7/00
摘要： PROBLEM TO BE SOLVED: To provide a surface treated steel plate for a spring showing conductivity exceeding phosphor bronze by forming a copper plated layer regulated in its film thickness in the relation with the plate thickness of a substrate steel plate and having mechanical characteristics suitable for miniaturization and weight direction.
SOLUTION: The surface treated steel plate for the spring has a steel plate, of which the spring limit value Kb (N/mm
2 ) is not less than 300 N/mm
2 , the plate thickness is t
1 (mm) and the conductivity is A
1 (%IACS), as a substrate. The copper layer, of which the sum total thickness of upper and rear layers is film thickness t
2 (mm), is provided on one surface or both surfaces of the substrate steel plate and a thickness ratio t
2 /t
1 of the film thickness t
2 to the plate thickness t
1 satisfies the formula : 0.13-0.01×A ≤
2 /t
1 ≤ 0.06 x In (Kb)-0.04. As the substrate steel plate, a steel plate of which the conductivity A
1 is 4 to 10% IACS is preferably used. When both surfaces of the substrate steel plate are plated with copper, both of equal thickness plating or different thickness plating may be performed.
COPYRIGHT: (C)2004,JPO

9. 发明专利

JP2003293042A Method of producing medium-high carbon steel sheet having excellent deep drawability 有权
标题翻译：生产具有优异深度可拉伸性的中高碳钢板的方法
公开(公告)号：JP2003293042A
公开(公告)日：2003-10-15
申请号：JP2002097249
申请日：2002-03-29
申请人： Nisshin Steel Co Ltd , 日新製鋼株式会社
发明人： SUZUKI MASAHITO , OKUBO NAOTO , HIRAMATSU TERUSHI
IPC分类号： B21B1/22 , B21B3/00 , C21D9/48 , C22C38/00 , C22C38/58
摘要： PROBLEM TO BE SOLVED: To stably improve the deep drawability of a medium or high carbon steel sheet without adding special elements thereto. SOLUTION: A hot rolled steel sheet or an annealed or an annealed steel sheet containing, by mass, 0.20 to 0.90% C is subjected to finish rolling under the conditions that (a) work rolls with a surface roughness Ra of 0.20 to 1.50 μm are used at least in a rolling final pass, and (b) the total rolling ratio is 20 to 70%. After that, finish rolling is performed thereto. In particular, steel containing, by mass, 0.20 to 0.90% C, ≤1.0% Si, ≤2.0% Mn, 0 to 1.6% Cr, 0 to 0.5% Mo, 0 to 0.3% Cu, 0 to 2.0% Ni, 0 to 0.10% Ti, 0 to 0.010% B, ≤0.03% P, ≤0.02% S and ≤0.1% T.Al (total Al), and the balance Fe with inevitable impurities can be used. COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：为了稳定地提高中碳钢板或高碳钢板的深冲性而不添加特殊元素。解决方案：在（a）表面粗糙度Ra为0.20〜0.20的工作辊的条件下，将含有质量分数为0.20〜0.90％的热轧钢板或退火钢板进行精轧，至少在轧制最终道次中使用1.50μm，（b）总滚动比为20〜70％。之后进行精轧。特别优选含有0.20〜0.90％的C，≤1.0％的Si，≤2.0％的Mn，0〜1.6％的Cr，0〜0.5％的Mo，0〜0.3％的Cu，0〜2.0％的Ni，0 至0.10％Ti，0〜0.010％B，≤0.03％P，≤0.02％S和≤0.1％T.Al（总Al），余量为Fe与不可避免的杂质。版权所有（C）2004，JPO

10. 发明专利

JP2011117084A Method for manufacturing middle or high carbon steel sheet excellent in machinability 有权
标题翻译：制造机械性能优异的中高碳钢板的方法
公开(公告)号：JP2011117084A
公开(公告)日：2011-06-16
申请号：JP2011011837
申请日：2011-01-24
申请人： Nisshin Steel Co Ltd , 日新製鋼株式会社
发明人： KATAGIRI YUKIO , SUZUKI MASAHITO , HIRAMATSU TERUSHI
IPC分类号： C22C38/00 , C21D1/26 , C21D1/32 , C21D9/46 , C22C38/58
摘要： PROBLEM TO BE SOLVED: To manufacture a middle or high carbon steel sheet of which the machinability is improved by correcting the finish annealing condition and which is useful as a raw material of machine parts and automobile parts. SOLUTION: A steel material containing 0.45-1.5% C, ≤1.0% Si, 0.1-2.0% Mn, ≤0.02% S, ≤0.03% P, 0.005-0.20% Al, and further, one or more selected from ≤2.5% Ni, ≤2.0% Cr, ≤1.0% Mo, is hot-rolled and after pickling or after pickling and cold-rolling, the finish-annealing is performed. Then, a mixed structure of spheroidal cementite+pearlite effective to improve the machinability, is obtained by applying the finish-annealing under condition that an X value becomes ≥0 in a formula (A): X=R-(4.81×10 5 )/ä(t 2/3 +20)×(T a -A 1 )} 3/2 , (wherein, the soaking temperature T a : (A 1 point+20°C)-(A 1 point+80°C), the soaking time t: 5-40 hr. and the cooling speed R: 5-60°C/hr). COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：通过校正最终退火条件来制造可以提高机加工性的中高碳钢板，其可用作机械部件和汽车部件的原料。
解决方案：一种含有0.45-1.5％C，≤1.0％Si，0.1-2.0％Mn，≤0.02％S，≤0.03％P，0.005-0.20％Al的钢材，还有一种或多种选自 ≤2.5％Ni，≤2.0％Cr，≤1.0％Mo，进行热轧，酸洗后或酸洗和冷轧后进行最终退火。然后，通过在式（A）中X值变为≥0的条件下进行最终退火，得到有效提高机械加工性的球状渗碳体+珠光体的混合结构：X = R-（4.81×10 5 ）/ A（T 2/3 20）×（T 一 -A 1 ）} 3/2 （其中，均热温度T a（A 1 点+ 20℃） - （A 1 点+ 80℃），均热时间t：5-40小时，冷却速度R：5-60℃/小时）。版权所有（C）2011，JPO＆INPIT

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