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1. 发明专利

DE10392371T5 未知
公开(公告)号：DE10392371T5
公开(公告)日：2006-03-09
申请号：DE10392371
申请日：2003-12-25
申请人： JFE STEEL CORP , SONY CORP
发明人： MINEJI NOBUKO , INOUE TADASHI , HIRATANI TATSUHIKO , TAHARA KENJI , TAKAHASHI NORITAKA , KATO HIROAKI , TAKEUCHI TERUO , TAKAYANAGI KENICHIRO , SATO CHOHACHI , OKADA MASAMICHI
IPC分类号： C22C38/00 , C22C38/02 , C22C38/04 , H01F1/147
摘要： A steel sheet for an explosion-proof band contains 0.001 to 0.05% by mass of C, 0.2 to 1% by mass of Si, 0.5 to 2.3% by mass of Mn, 0.02 to 0.12% by mass of P, not higher than 0.005% by mass of 0, not higher than 0.020% by mass of S, and not higher than 0.005% by mass of N, and has not higher than 100% of a P segregation rate within the steel sheet, which is represented by (P max -P ave )x100/P ave , where P max denotes the maximum P concentration within the steel sheet, and P ave denotes the average P concentration within the steel sheet, 10 to 25 mum of an average ferrite grain size, and not lower than 10,000 of an anhysteretic magnetic permeability.

2. 发明专利

DE69832313T2 未知
公开(公告)号：DE69832313T2
公开(公告)日：2006-08-24
申请号：DE69832313
申请日：1998-03-18
申请人： JFE STEEL CORP
发明人： ODA YOSHIHIKO , YAMAGAMI NOBUO , HIURA AKIRA , TANAKA YASUSHI , TAKAHASHI NORITAKA , MATSUOKA HIDEKI , CHINO ATSUSHI , YAMADA KATSUMI , IIZUKA SHUNJI
IPC分类号： C22C38/02 , C21D8/12

3. 发明专利

DE69832313D1 未知
公开(公告)号：DE69832313D1
公开(公告)日：2005-12-22
申请号：DE69832313
申请日：1998-03-18
申请人： JFE STEEL CORP
发明人： ODA YOSHIHIKO , YAMAGAMI NOBUO , HIURA AKIRA , TANAKA YASUSHI , TAKAHASHI NORITAKA , MATSUOKA HIDEKI , CHINO ATSUSHI , YAMADA KATSUMI , IIZUKA SHUNJI
IPC分类号： C21D8/12 , C22C38/02

4. 发明专利

JP2013181212A Hot rolled steel sheet, manufacturing method thereof and manufacturing method of cold rolled steel sheet 有权
标题翻译：热轧钢板及其制造方法及冷轧钢板的制造方法
公开(公告)号：JP2013181212A
公开(公告)日：2013-09-12
申请号：JP2012045846
申请日：2012-03-01
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： TAKAHASHI NORITAKA , KOBAYASHI TAKASHI , YAMAGAMI NOBUO , TAWARA KENJI
IPC分类号： C22C38/00 , B21D28/00 , B21D53/88 , C21D9/46 , C22C38/06
摘要： PROBLEM TO BE SOLVED: To provide a hot rolled steel sheet which is superior in shape stability of a final product even when spheroidizing annealing after hot rolling is skipped, and from which a cold rolled steel sheet satisfying hardness requirement can be obtained, and to provide a method for manufacturing it.SOLUTION: A hot rolled steel sheet includes, by mass, 0.13-0.20% of C, 0.25% or less of Si, 0.3-1.0% of Mn, 0.030% or less of P, 0.02% or less of S, 0.08% or less of Al and 0.008% or less of N, and the remainder being Fe and inevitable impurities, and has a micro structure which contains, in area rate, 15% or less of bainite, and 30% or less of pearlite + cementite, and the remainder being ferrite as a main phase. The hot rolled steel sheet can be obtained by hot rolling under a finish rolling end temperature of Artransformation point or higher, and a coiling temperature of 580-680°C.
摘要翻译：要解决的问题：即使跳过热轧后的球化退火，即使是能够得到满足硬度要求的冷轧钢板，也能够提供最终成品的形状稳定性优异的热轧钢板，一种热轧钢板的制造方法，其中，C：0.13〜0.20％，Si：0.25％以下，Mn：0.3〜1.0％，P：0.030％以下，0.02％以下的S，0.08％以下的Al和0.008％以下的N，余量为Fe和不可避免的杂质，并且具有以贝氏体的面积率为15％以下且30％以下的微观结构的珠光体+渗碳体，其余为铁素体作为主相。热轧钢板可以通过在Artransformation point以上的终轧温度下进行热轧，并且卷取温度为580-680℃。

5. 发明专利

JP2004211169A Steel sheet for high strength and explosion-protective band excellent in magnetic characteristic and weldability 审中-公开
公开(公告)号：JP2004211169A
公开(公告)日：2004-07-29
申请号：JP2003000656
申请日：2003-01-06
申请人： Jfe Steel Kk , Jfeスチール株式会社 , Sony Corp , ソニー株式会社
发明人： INOUE TADASHI , HIRATANI TATSUHIKO , MINEJI NOBUKO , TAKAHASHI NORITAKA , KATO HIROAKI , TAKEUCHI TERUO , TAKAYANAGI KENICHIRO , SATO CHOHACHI , OKADA MASAMICHI
IPC分类号： C22C38/00 , C22C38/04
摘要： PROBLEM TO BE SOLVED: To provide a steel sheet for high strength and explosion-preventive band excellent in magnetic characteristic and weldability.
SOLUTION: This steel sheet contains, by mass%, 0.001-0.05% C, 0.2-1% Si, 0.5-2.3% Mn, 0.02-0.12% P, ≤0.005% O, ≤0.020% S, ≤0.005% N, and a segregating ratio of P in the steel sheet expressed by (Pmax - Pave)×100/Pave is ≤100% (wherein, Pmax: the maximum P concentration in the steel sheet, Pave: the average P concentration in the steel sheet), and the average crystal grain diameter is 10-25 μm and the non-hysteresis magnetic permeability is ≥10,000.
COPYRIGHT: (C)2004,JPO&NCIPI

6. 发明专利

JPH11213919A STEEL PLATE FOR HEAT SHRINK BAND EXCELLENT IN SHRINK FITTING WORKABILITY 失效
公开(公告)号：JPH11213919A
公开(公告)日：1999-08-06
申请号：JP2631598
申请日：1998-01-26
申请人： NIPPON KOKAN KK , SONY CORP
发明人： YAMAGAMI NOBUO , TOMITA KUNIKAZU , ODA YOSHIHIKO , TAKADA YASUYUKI , TAKAHASHI NORITAKA , SATO CHOHACHI , TAKEUCHI TERUO , SAITO ICHIRO , KATO HIROAKI
IPC分类号： C22C38/00 , C22C38/16 , H01J29/87
摘要： PROBLEM TO BE SOLVED: To provide a steel plate for a heat shrink band, excellent in shrink fitting workability, enabling heating time to be shortened or shrink fitting temperature to be reduced at the time of shrink fitting work, and enabling the shrink fitting work to be facilitated. SOLUTION: Firstly, a steel plate has electric resistance not less than 20 μΩcm at room temperature. Secondly, a steel plate contains, in terms of weight %, C not more than 0.005%, Si not less than 0.1% and not more than 4%, sol. Al not more than 1.5%, in Mn+Cu not more than 1%, Si+Al+(Mn+Cu)/2 not less than 0.5%, and has electric resistance not less than 20 μΩcm at room temperature. Thirdly, a steel plate has electric resistance not less than 20 μΩcm at room temperature and an average coefficient of thermal expansion up to 500 deg.C not less than 12×10 / deg.C. Fourthly, a steel plate contains, in terms of weight %, C not more than 0.005%, Si not less than 0.1% and not more than 4%, sol. Al not more than 1.5%. in Mn+Cu not more than 1%, Si+Al not less than 1.0%, and has electric resistance not less than 20 μΩcm at room temperature and an average coefficient of thermal expansion up to 500 deg.C not less than 12×10 / deg.C.

7. 发明专利

JP2004277846A High strength steel sheet for explosion-proof band having excellent weldability and magnetic property, and having reduced deterioration in magnetic property with lapse of time 审中-公开
公开(公告)号：JP2004277846A
公开(公告)日：2004-10-07
申请号：JP2003073169
申请日：2003-03-18
申请人： Jfe Steel Kk , Jfeスチール株式会社 , Sony Corp , ソニー株式会社
发明人： MINEJI NOBUKO , INOUE TADASHI , HIRATANI TATSUHIKO , TAKAHASHI NORITAKA , KATO HIROAKI , SATO CHOHACHI , TAKEUCHI TERUO , TAKAYANAGI KENICHIRO , OKADA MASAMICHI
IPC分类号： C22C38/00 , C22C38/04
摘要： PROBLEM TO BE SOLVED: To provide a high strength steel sheet for an explosion-proof band which has excellent weldability and magnetic properties, and has reduced deterioration in the magnetic properties with the lapse of time. SOLUTION: The steel sheet has a composition comprising, by mass, 0.001 to 0.2% C, >0.9 to 2.0% Si, >1.5 to 2.5% Mn, 0.02 to 0.12% P, ≤0.005% O, ≤0.020% S and ≤0.01% N, and in which the segregation ratio of P expressed by (Pmax-Pave)×100/Pave (wherein, Pmax denotes the maximum P concentration in the steel sheet; and Pave denotes the average P concentration in the steel sheet) is ≤100%, and the average crystal grain size of ferrite is 5 to 25 μm. Its coercive force is ≤30 e, the non-hysteresis permeability thereof after heating at 500°C for 60 s is ≥7,000, and the aging index AI thereof is ≤90 N/mm 2 . COPYRIGHT: (C)2005,JPO&NCIPI

8. 发明专利

JP2004277844A High strength steel sheet for explosion-proof band having excellent weldability and magnetic property, and having reduced deterioration in magnetic property with lapse of time 审中-公开
公开(公告)号：JP2004277844A
公开(公告)日：2004-10-07
申请号：JP2003073167
申请日：2003-03-18
申请人： Jfe Steel Kk , Jfeスチール株式会社 , Sony Corp , ソニー株式会社
发明人： INOUE TADASHI , HIRATANI TATSUHIKO , MINEJI NOBUKO , TAKAHASHI NORITAKA , KATO HIROAKI , SATO CHOHACHI , TAKEUCHI TERUO , TAKAYANAGI KENICHIRO , OKADA MASAMICHI
IPC分类号： C22C38/00 , C22C38/04 , H01J29/87
摘要： PROBLEM TO BE SOLVED: To provide a high strength steel sheet for an explosion-proof band which has excellent weldability and magnetic properties, and has reduced deterioration in the magnetic properties with the lapse of time.
SOLUTION: The steel sheet has a composition comprising, by mass, 0.001 to 0.2% C, 0.2 to 1% Si, 0.5 to 2.3% Mn, 0.02 to 0.15% P, ≤0.005% O, ≤0.03% S and ≤0.01% N, and in which the segregation ratio of P expressed by (Pmax-Pave)×100/Pave (wherein, Pmax denotes the maximum P concentration in the steel sheet; and Pave denotes the average P concentration in the steel sheet) is ≤100%, and the average crystal grain size of ferrite is 5 to 25 μm. Its non-hysteresis permeability after heating at 500°C for 60 s is ≥7,000, and the aging index AI thereof is ≤90 N/mm
2 .
COPYRIGHT: (C)2005,JPO&NCIPI

9. 发明专利

JP2004211171A High-strength steel sheet for explosion-proof band excellent in magnetic property and weldability 审中-公开
公开(公告)号：JP2004211171A
公开(公告)日：2004-07-29
申请号：JP2003000658
申请日：2003-01-06
申请人： Jfe Steel Kk , Jfeスチール株式会社 , Sony Corp , ソニー株式会社
发明人： MINEJI NOBUKO , INOUE TADASHI , HIRATANI TATSUHIKO , TAKAHASHI NORITAKA , KATO HIROAKI , TAKEUCHI TERUO , TAKAYANAGI KENICHIRO , SATO CHOHACHI , OKADA MASAMICHI
IPC分类号： C22C38/00 , C22C38/04 , H01J29/87
摘要： PROBLEM TO BE SOLVED: To provide a high-strength steel sheet for an explosion-proof band excellent in magnetic property and weldability.
SOLUTION: The steel sheet comprises, by mass, 0.001-0.05% C, >0.9% and ≤2.0% Si, >1.5% and ≤2.5% Mn, 0.02-0.12% P, ≤0.005% O, ≤0.020% S and ≤0.005% N and has a segregation rate of P within the steel sheet represented by (Pmax-Pave)×100/Pave (wherein Pmax is the maximum P concentration within the steel sheet; and Pave is the average P concentration within the steel sheet) of ≤100%, an average crystal grain size of ferrite of 10-25 μm, a coercive force of ≤2.8 Oe and a non-hysteretic magnetic permeability of ≥10,000.
COPYRIGHT: (C)2004,JPO&NCIPI

10. 发明专利

JPH11246945A PLATED STEEL SHEET FOR HEAT SHRINK BAND REDUCED IN COLOR SLIPPAGE 失效
公开(公告)号：JPH11246945A
公开(公告)日：1999-09-14
申请号：JP6928698
申请日：1998-03-05
申请人： NIPPON KOKAN KK , SONY CORP
发明人： YAMAGAMI NOBUO , TOMITA KUNIKAZU , ODA YOSHIHIKO , TAKADA YASUYUKI , TAKAHASHI NORITAKA , SATO CHOHACHI , TAKEUCHI TERUO , SAITO ICHIRO , KATO HIROAKI
IPC分类号： H01J29/87 , C22C38/00 , C22C38/06
摘要： PROBLEM TO BE SOLVED: To hold sufficient tension in a steel sheet, furthermore to maintain its sufficient magnetic shielding properties and to reduce color slippage therein by regulating the product of the yield stress of the steel sheet and the product of the permeability and the sheet thickness thereof in the specified magnetic field respectively to specified value or above. SOLUTION: This plated steel sheet has >=24 kg/mm yield stress, and the product of the permeability μ and the sheet thickness thereof in the magnetic field of 0.30 e is made to >=300. As for the preferable compositional ranges of the steel sheet, by weight, is preferable. Moreover, as the plating method, both electroplating and hot-dip plating may be used.

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