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1. 发明专利

JP2010059548A Method for manufacturing steel for high-strength steel wire rod excellent in cold wire-drawability 有权
标题翻译：高强度钢丝绳钢制冷方式可靠性的方法
公开(公告)号：JP2010059548A
公开(公告)日：2010-03-18
申请号：JP2009234896
申请日：2009-10-09
申请人： Kobe Steel Ltd , 株式会社神戸製鋼所
发明人： SUZUKI RYOHEI , MINAMIDA TAKAAKI
IPC分类号： C21C7/06 , C21C7/00 , C22C38/00 , C22C38/06 , C22C38/42
摘要： PROBLEM TO BE SOLVED: To provide a method for manufacturing a steel for high strength steel wire rod excellent in cold wire-drawability.
SOLUTION: When the steel for high-strength steel wire rod satisfying the specified component-composition, an alumina-based material is used as the inner wall material in a ladle which is used after secondary refining, and corresponding to C content: [C] (mass%) in the steel, the operation is performed under the following conditions: (1) in the case of being 0.7%≤[C]
摘要翻译：解决的问题：提供一种冷拔丝性优异的高强度钢线材用钢的制造方法。解决方案：当用于满足特定成分组成的高强度钢线材时，使用氧化铝基材料作为在二次精炼后使用的钢包中的内壁材料，并且对应于C含量： [C]（质量％），在以下条件下进行操作：（1）在0.7％≤[℃] <0.8％的情况下，在二次精炼之前进行脱渣操作，炉渣量控制在≤7.5kg / t; （2）在0.8％≤[℃] <0.9％的情况下，使用最后一次接收钢水的钢种为[Al]≤0.015％的钢包，脱渣二次精炼前进行操作，炉渣量控制在≤1.5kg / t; 和（3）在0.9％≤[C]≤1.0％的情况下，钢水第一次接收钢水或钢水接收钢水时，钢水接受与钢水相同的种类在最后一次使用时，在二次精炼之前进行脱渣操作，将排渣量控制在≤1.5kg/ t，另外，二次精炼后的渣的碱度控制为1 -2。版权所有（C）2010，JPO＆INPIT

2. 发明专利

JP2003082434A High carbon steel wire rod having excellent wire drawability, and production method therefor 有权
标题翻译：具有优异布线性能的高碳钢丝绳及其生产方法
公开(公告)号：JP2003082434A
公开(公告)日：2003-03-19
申请号：JP2002166615
申请日：2002-06-07
申请人： Kobe Steel Ltd , 株式会社神戸製鋼所
发明人： NAGAO MAMORU , HATAKE HIDEO , MINAMIDA TAKAAKI
IPC分类号： B21B1/16 , B21B3/00 , C21D9/52 , C22C38/00 , C22C38/04 , C22C38/26
摘要： PROBLEM TO BE SOLVED: To provide a high carbon steel wire rod which has excellent disconnection resistance and an elongated die life, and to provide a production method therefor. SOLUTION: The steel wire rod has a composition containing, by mass, 0.6 to 1.0% C, 0.1 to 1.5% Si, 0.3 to 0.9% Mn, =95 area% is contained therein, and, the mean nodule diameter of pearlite P is =100 nm, and, provided that P is expressed by μm, and S by μm, the following equation satisfies the range of F>0:F=350.3/√S+130.3/√P-51.7.
摘要翻译：要解决的问题：提供一种具有优异的抗断裂性和延长的模具寿命的高碳钢线材，并提供其制造方法。解决方案：钢线材具有以质量计含有0.6-1.0％C，0.1-1.5％Si，0.3-0.9％Mn，<= 0.02％P，<= 0.03％S和<= 0.005％N，余量为Fe与不可避免的杂质，或含有一种或多种选自0.020至0.050％Nb和0.05至0.20％V的金属。优选的是，钢丝棒含有<= 0.030％的Al，并入0.0015至0.0050％N。结构上，其中含有≥95面积％的珠光体，珠光体P的平均结节直径<30μm，平均层间距S> 100nm，P表示为μm， S为μm，满足F> 0：F = 350.3 /√S+ 130.3 /√P-51.7的范围。

3. 发明专利

JP2006200039A High carbon steel wire material having excellent wire drawability and manufacturing process thereof 有权
标题翻译：高碳钢丝材料具有优异的线材可拉伸性和制造工艺
公开(公告)号：JP2006200039A
公开(公告)日：2006-08-03
申请号：JP2005368733
申请日：2005-12-21
申请人： Kobe Steel Ltd , 株式会社神戸製鋼所
发明人： KOCHI TAKUYA , KURODA TAKESHI , SAKAI HIDENORI , MARUO TOMOTADA , MURAKAMI SHOGO , YAGUCHI HIROSHI , MINAMIDA TAKAAKI
IPC分类号： C22C38/00 , C21D8/06 , C21D9/52 , C22C38/06 , C22C38/42
摘要： PROBLEM TO BE SOLVED: To provide a high carbon steel wire material which is made of high carbon steel as a raw material for wire products such as steel cords, bead wires, PC steel wires and spring steel, allows for these wire products to be manufactured with high productivity and has excellent wire drawability and a manufacturing process thereof.
SOLUTION: The high carbon steel wire material having excellent wire drawability is composed of a steel material in which the respective contents of C, Si, Mn, P, S, N, Al and O are specified. The bcc-Fe crystal grains of its metal structure have an average crystal grain diameter (Dave) of 20 μm or less and a maximum crystal grain diameter (Dmax) of 120 μm or less. As a preferred mode of the steel material, the bcc-Fe crystal grains of the above metal structure have an area ratio of crystal grains having a diameter of 80 μm or more of 40% or less, an average sub grain diameter (dave) of 10 μm or less, a maximum sub grain diameter (dmax) of 50 μm or less, and a (Dave/dave) ratio of the average crystal grain diameter (Dave) to the average sub grain diameter (dave) of 4.5 or less.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了提供一种由高碳钢制成的高碳钢丝材料，作为诸如钢丝绳，胎圈丝，PC钢丝和弹簧钢的线材的原料，允许这些线材产品以高生产率制造并且具有优异的拉丝性及其制造方法。解决方案：具有优异的拉丝性的高碳钢丝线材由其中规定了C，Si，Mn，P，S，N，Al和O的各自含量的钢材构成。其金属结构的bcc-Fe晶粒的平均晶粒直径（Dave）为20μm以下，最大晶粒直径（Dmax）为120μm以下。作为钢材的优选形态，上述金属结构体的bcc-Fe晶粒的直径为80μm以上的晶粒的面积比为40％以下，平均副粒径（dave）为 10μm以下，最大次粒径（dmax）为50μm以下，平均晶粒直径（Dave）与平均次粒径（dave）的（Dave / dave）比为4.5以下。版权所有（C）2006，JPO＆NCIPI

4. 发明专利

JP2005126765A Extra-fine high carbon steel wire with excellent ductility, and its manufacturing method 有权
标题翻译：超高精度高碳钢丝及其制造方法
公开(公告)号：JP2005126765A
公开(公告)日：2005-05-19
申请号：JP2003363619
申请日：2003-10-23
申请人： Kobe Steel Ltd , 株式会社神戸製鋼所
发明人： NAGAO MAMORU , KURODA TAKESHI , MINAMIDA TAKAAKI
IPC分类号： B21C1/00 , B21C1/04 , B21C9/00 , B21C37/04 , C21D8/06 , C21D9/52 , C22C38/00 , C22C38/02 , C22C38/04 , C22C38/54
CPC分类号： C22C38/04 , B21C1/04 , B21C9/005 , B21C37/047 , C21D8/06 , C21D9/525 , C21D2211/009 , C22C38/02
摘要： PROBLEM TO BE SOLVED: To provide an extra-fine high carbon steel wire having high strength and excellent ductility and causing no delamination at high-speed stranding and also to provide its manufacturing method. SOLUTION: The extra-fine steel wire has a composition consisting of, by mass, 0.90 to 1.20% C, 0.05 to 1.2% Si, 0.2 to 1.0% Mn, ≤0.0050% N and the balance iron with impurities and has 0.05 to 0.50 mm wire diameter. In the differential scanning thermal analysis curve A of the steel wire, the steel wire has an exothermic peak X in the temperature range of 60 to 130°C and, further, the maximum height h of the exothermic peak with respect to a reference line Y connecting the two points of 60°C and 130°C in the differential scanning thermal analysis curve is ≥5 μW/mg. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供高强度和优异的延展性的超细高碳钢丝，并且在高速绞合中不会发生分层，并且还提供其制造方法。
解决方案：超细钢丝具有质量分数为0.90〜1.20％的Si，0.05〜1.2％的Si，0.2〜1.0％的Mn，≤0.0050％的N，余量的铁与杂质组成， 0.05至0.50 mm线径。在钢丝的差示扫描热分析曲线A中，钢线在60〜130℃的温度范围内具有放热峰X，另外，相对于基准线Y的放热峰的最大高度h 在差示扫描热分析曲线中连接60°C和130°C的两点为≥5μW/ mg。版权所有（C）2005，JPO＆NCIPI

5. 发明专利

JP2007070728A Steel wire rod excellent in mechanical de-scaling property, and producing method therefor 有权
标题翻译：钢丝绳优良机械定型性能及其生产方法
公开(公告)号：JP2007070728A
公开(公告)日：2007-03-22
申请号：JP2006220629
申请日：2006-08-11
申请人： Kobe Steel Ltd , 株式会社神戸製鋼所
发明人： TAKEDA MIKAKO , MINAMIDA TAKAAKI , ONISHI TAKASHI , KURODA TAKESHI , SAKAI HIDENORI , KOCHI TAKUYA , MARUO TOMOTADA
IPC分类号： C22C38/00 , B21B45/00 , B21C47/26 , C22C38/04
摘要： PROBLEM TO BE SOLVED: To provide a steel wire rod excellent in mechanical de-scaling (MD) property and a producing method therefor with which the lowering of yield caused by scale loss is reduced and the development of rust caused by the detachment of the scale (exposure of the steel surface) before the mechanical de-scaling (MD), can be restrained.
SOLUTION: In the steel wire rod excellent in the mechanical de-scaling property, containing, by mass%, 0.05-1.2% C, 0.01-0.5% Si, 0.1-1.5% Mn; the steel wire rod has 0.1-0.7 mass% stuck quantity of the scale, and contains ≥30 vol% FeO and 0.01-10 vol% Fe
2 SiO
4 in the scale.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了提供机械去垢（MD）性能优异的钢丝杆及其制造方法，由此减少由于锈蚀造成的产量降低和由脱离引起的锈的发展在机械去垢（MD）之前的规模（钢表面的暴露）可以被限制。解决方案：在机械去垢性能优异的钢丝棒中，以质量％计含有0.05-1.2％的C，0.01-0.5％的Si，0.1-1.5％的Mn; 钢丝杆的标度粘贴量为0.1-0.7质量％，含有比例的≥30体积％FeO和0.01-10体积％Fe 2 SiO 4 。版权所有（C）2007，JPO＆INPIT

6. 发明专利

JP2004211148A High-strength steel wire rod superior in cold drawability, and manufacturing method therefor 有权
公开(公告)号：JP2004211148A
公开(公告)日：2004-07-29
申请号：JP2002381302
申请日：2002-12-27
申请人： Kobe Steel Ltd , 株式会社神戸製鋼所
发明人： SUZUKI RYOHEI , SUMIDA KAZUTAKE , MINAMIDA TAKAAKI , SAII HIDENORI
IPC分类号： C21C7/00 , C22C38/00 , C22C38/06
摘要： PROBLEM TO BE SOLVED: To provide a high-strength steel wire rod that has an improved cold drawability particularly by inhibiting the formation of inclusions which easily cause the breakage of a wire during cold drawing, and to provide a manufacturing method therefor.
SOLUTION: The steel wire rod comprises, by mass% (hereafter the same on a chemical composition), 0.7-1.0% C, 0.1-0.4% Si, 0.2-0.6% Mn and 0.003% or less Al (including 0%). The manufacturing method uses a refractory comprising particles containing 30 mass% or less (including 0 mass%) Al
2 O
3 and having an average particle diameter of 15 μm or smaller, as the refractory to be arranged in portions with which a molten steel contacts in the step of secondarily refining the above steel to the step of continuously casting it.
COPYRIGHT: (C)2004,JPO&NCIPI

7. 发明专利

JP2004162111A Steel for high strength steel wire rod excellent in cold-wire drawability and high strength steel wire rod obtained by using this, and producing method of them 有权
公开(公告)号：JP2004162111A
公开(公告)日：2004-06-10
申请号：JP2002328597
申请日：2002-11-12
申请人： Kobe Steel Ltd , 株式会社神戸製鋼所
发明人： SUZUKI RYOHEI , MINAMIDA TAKAAKI
IPC分类号： C21C7/00 , C22C38/00 , C22C38/06 , C22C38/42
摘要： PROBLEM TO BE SOLVED: To provide a method for producing a high strength steel wire rod excellent in a cold-wire drawability.
SOLUTION: When the steel for high strength steel wire rod satisfying a regulated component composition is produced, as the inner wall material in a ladle used after secondary refining, alumina-base material is used and according to [C](mass%) that means the C content in the steel, the operation is performed under the following conditions. (1) In the case of 0.7%≤[C]

8. 发明专利

JP2004149816A Hot rolled wire rod excellent in drawability into wire and capable of eliminating heat treatment before wire drawing 有权
公开(公告)号：JP2004149816A
公开(公告)日：2004-05-27
申请号：JP2002313254
申请日：2002-10-28
申请人： Kobe Steel Ltd , 株式会社神戸製鋼所
发明人： KURODA TAKESHI , IBARAKI NOBUHIKO , MINAMIDA TAKAAKI , NAGAO YUZURU
IPC分类号： C22C38/00 , C22C38/04 , C22C38/16
摘要： PROBLEM TO BE SOLVED: To provide a hot rolled wire rod which, just in a hot-rolled state and with an average wire diameter of less than 5.0mm, has such a high ductility as to be drawn into a wire with a wire diameter of about 1.0mm even when a heat treatment, such as a patenting treatment, is eliminated.
SOLUTION: This hot rolled wire rod contains 0.55-0.95% C, 0.1-0.35% Si, and 0.2-1.20% Mn, has a pearlite structure or a pearlite-ferrite mixed structure, and has an average wire diameter less than 5.0mm. The wire rod with a length of 4m has mechanical properties satisfying formula (1): the minimum value of tensile strength (TS
min :MPa)≥1000×[C]+200×[Mn]-10D+40 (wherein brackets [] means the content of each element; and D is the wire diameter (mm) of the wire rod), formula (2): TS
σ ×3≤100MPa (wherein TS
σ is the standard deviation of the tensile strength), and formula (3): the minimum value of fracture drawing (RA
min )≥30%. The wire rod is excellent in drawability into wire and a heat treatment before drawing can be eliminated.
COPYRIGHT: (C)2004,JPO

9. 发明专利

JP2004137597A Hot rolled wire rod in which heat treatment before wire drawing can be eliminated, and having excellent wire drawability 有权
公开(公告)号：JP2004137597A
公开(公告)日：2004-05-13
申请号：JP2003282947
申请日：2003-07-30
申请人： Kobe Steel Ltd , 株式会社神戸製鋼所
发明人： NAGAO MAMORU , KURODA TAKESHI , MINAMIDA TAKAAKI
IPC分类号： B21B1/16 , B21B3/00 , B21B43/00 , C21D8/06 , C21D9/573 , C22C38/00 , C22C38/02 , C22C38/04 , C22C38/18 , C22C38/40 , C22C38/54
CPC分类号： C22C38/02 , C21D8/06 , C21D9/5732 , C21D2211/009 , C22C38/04 , C22C38/40
摘要： PROBLEM TO BE SOLVED: To provide a hot rolled wire rod which has extremely excellent wire drawability as hot-rolled even if heat treatment such as patenting treatment is eliminated, and in which the number of disconnection is remarkably reduced compared with the conventional material. SOLUTION: The hot rolled wire rod containing, by mass, 0.6 to 1.0% C, 0.1 to 1.5% Si and 0.3 to 1.0% Mn, and in which the content of P is suppressed to ≤0.02%, and S to ≤0.02%, has a structure in which ≥90 area% consists of pearlite, and has a wire diameter of ≥5.0 mm. The mechanical properties in the wire rod with a length of 4 m satisfy the following equations (1) to (4): (1) TS*-30≤the average value in tensile strength (TS av :MPa)≤TS*+30; wherein, TS*=400×ä[C]+([Mn]+[Si])/5}+670, and [ ] in the inequality denotes the content (%) of each element; (2) the standard deviation in tensile strength (TS σ )≤30 MPa; (3) the average value (RA AV ) of reduction of area>35%; and (4) the standard deviation in the reduction of area (RAσ)≤4%. COPYRIGHT: (C)2004,JPO

10. 发明专利

JP2003082437A High strength steel wire having excellent strain age embrittlement resistance and longitudinal crack resistance, and production method therefor 有权
标题翻译：具有优异耐老化强度和长期抗裂性的高强度钢丝及其生产方法
公开(公告)号：JP2003082437A
公开(公告)日：2003-03-19
申请号：JP2001272905
申请日：2001-09-10
申请人： Kobe Steel Ltd , 株式会社神戸製鋼所
发明人： NAGAO MAMORU , KAKO HIROSHI , OCHIAI KENJI , IBARAKI NOBUHIKO , MINAMIDA TAKAAKI , HIRAGA NORIAKI
IPC分类号： B21B3/00 , B21C1/00 , B21C3/02 , B21C9/00 , B21C9/02 , B21C37/04 , C21D8/06 , C21D9/52 , C22C38/00 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/54
CPC分类号： C22C38/04 , B21C1/00 , B21C37/045 , C21D8/06 , C22C38/02 , D07B1/066 , D07B2205/3057 , Y10T428/12431 , D07B2801/10
摘要： PROBLEM TO BE SOLVED: To provide a high strength steel wire which has high strength and sufficient ductility, and is therefore has excellent strain age embrittlement resistance and longitudinal crack resistance, and to provide a production method therefor. SOLUTION: The high strength carbon steel wire has chemical components containing, by mass, 0.75 to 1.20% C, 0.1 to 1.5% Si, 0.3 to 1.2% Mn, MPa to (3500×D +87×[C] ) MPa.
摘要翻译：要解决的问题：提供具有高强度和足够延展性的高强度钢丝，因此具有优异的应变时效脆性和纵向抗裂性，并提供其制造方法。解决方案：高强度碳钢丝具有质量分数为含有0.75至1.20％的C，0.1至1.5％的Si，0.3至1.2％的Mn，<= 0.02％的P，<= 0.02％的S，<= 0.005％ Al和<= 0.008％N，余量为Fe与不可避免的杂质，并具有加工珠光体结构，并且线径D（mm）为0.15至0.4mm。此外，该结构中的层状渗碳体是无定形的，并且表面层设置有由选自Cu，Ni和Zn的一种金属或与主相相同的金属的合金构成的金属润滑膜，并且只要 C％表示为[C]，其拉伸强度满足3500×D <-0.145MPa〜（3500×D <-0.145> + 87×[℃] -5℃）MPa。

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