EP1362930A4 - Feuille mince d'acier a resistance de fatigue d'entaille excellente, destinee a une automobile, et procede de production - Google Patents
Feuille mince d'acier a resistance de fatigue d'entaille excellente, destinee a une automobile, et procede de productionInfo
- Publication number
- EP1362930A4 EP1362930A4 EP02700640A EP02700640A EP1362930A4 EP 1362930 A4 EP1362930 A4 EP 1362930A4 EP 02700640 A EP02700640 A EP 02700640A EP 02700640 A EP02700640 A EP 02700640A EP 1362930 A4 EP1362930 A4 EP 1362930A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- production
- steel sheet
- fatigue strength
- thin steel
- notch fatigue
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
- C21D8/0226—Hot rolling
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
- C21D8/0273—Final recrystallisation annealing
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
- C23C2/022—Pretreatment of the material to be coated, e.g. for coating on selected surface areas by heating
- C23C2/0224—Two or more thermal pretreatments
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
- C23C2/024—Pretreatment of the material to be coated, e.g. for coating on selected surface areas by cleaning or etching
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/34—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the shape of the material to be treated
- C23C2/36—Elongated material
- C23C2/40—Plates; Strips
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Heat Treatment Of Sheet Steel (AREA)
- Heat Treatment Of Steel (AREA)
- Metal Rolling (AREA)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001049012 | 2001-02-23 | ||
JP2001049012 | 2001-02-23 | ||
JP2001247306 | 2001-08-16 | ||
JP2001247306A JP3927384B2 (ja) | 2001-02-23 | 2001-08-16 | 切り欠き疲労強度に優れる自動車用薄鋼板およびその製造方法 |
PCT/JP2002/001498 WO2002066697A1 (fr) | 2001-02-23 | 2002-02-20 | Feuille mince d'acier a resistance de fatigue d'entaille excellente, destinee a une automobile, et procede de production |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1362930A1 EP1362930A1 (fr) | 2003-11-19 |
EP1362930A4 true EP1362930A4 (fr) | 2004-11-24 |
Family
ID=26610025
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02700640A Withdrawn EP1362930A4 (fr) | 2001-02-23 | 2002-02-20 | Feuille mince d'acier a resistance de fatigue d'entaille excellente, destinee a une automobile, et procede de production |
Country Status (7)
Country | Link |
---|---|
US (1) | US20040069382A1 (fr) |
EP (1) | EP1362930A4 (fr) |
JP (1) | JP3927384B2 (fr) |
KR (1) | KR100572762B1 (fr) |
CN (1) | CN1221680C (fr) |
CA (1) | CA2438393A1 (fr) |
WO (1) | WO2002066697A1 (fr) |
Families Citing this family (38)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI236503B (en) * | 2001-10-04 | 2005-07-21 | Nippon Steel Corp | High-strength thin steel sheet drawable and excellent in shape fixation property and method of producing the same |
TWI248977B (en) * | 2003-06-26 | 2006-02-11 | Nippon Steel Corp | High-strength hot-rolled steel sheet excellent in shape fixability and method of producing the same |
JP4276482B2 (ja) * | 2003-06-26 | 2009-06-10 | 新日本製鐵株式会社 | 極限変形能と形状凍結性に優れた高強度熱延鋼板とその製造方法 |
JP4506971B2 (ja) * | 2004-04-22 | 2010-07-21 | 株式会社神戸製鋼所 | 成形性に優れた高強度冷延鋼板およびめっき鋼板 |
CA2575241C (fr) | 2004-07-27 | 2011-07-12 | Nippon Steel Corporation | Plaque d'acier a module de young eleve, tole d'acier galvanise a chaud utilisant celle-ci, alliage de tole d'acier galvanise a chaud, tube d'acier a module de young eleve et procede de fabrication de ceux-ci |
JP4445365B2 (ja) * | 2004-10-06 | 2010-04-07 | 新日本製鐵株式会社 | 伸びと穴拡げ性に優れた高強度薄鋼板の製造方法 |
US7588837B2 (en) * | 2005-04-29 | 2009-09-15 | The Timken Company | Welding together low and high carbon steels |
JP5114860B2 (ja) * | 2006-03-30 | 2013-01-09 | Jfeスチール株式会社 | 溶融亜鉛めっき鋼板及びその製造方法 |
ATE432372T1 (de) * | 2006-10-30 | 2009-06-15 | Thyssenkrupp Steel Ag | Verfahren zum herstellen von stahl-flachprodukten aus einem ein komplexphasen-gefüge bildenden stahl |
EP1918405B1 (fr) * | 2006-10-30 | 2009-05-27 | ThyssenKrupp Steel AG | Procédé pour la fabrication de produits plats à partir d'un acier à plusieurs phases allié en silice |
DE102006051545A1 (de) * | 2006-11-02 | 2008-05-08 | Schaeffler Kg | Tiefgezogenes Maschinenbauteil mit wenigstens einer gehärteten Lauf- oder Führungsfläche, insbesondere Motorenelement |
KR20080061855A (ko) * | 2006-12-28 | 2008-07-03 | 주식회사 포스코 | 딥드로잉성이 우수한 복합조직강판 |
JP5037412B2 (ja) * | 2008-04-16 | 2012-09-26 | 新日本製鐵株式会社 | 鋼板 |
PL2503014T3 (pl) * | 2009-11-18 | 2019-07-31 | Nippon Steel & Sumitomo Metal Corporation | Blacha stalowa gruba walcowana na gorąco o dużej wytrzymałości wykazująca doskonałą właściwość wytrawiania kwasem, podatność na obróbkę przez konwersję chemiczną, właściwość zmęczeniową, podatność na wywijanie kołnierza i odporność na pogorszenie powierzchni podczas formowania oraz mająca izotropową wytrzymałość i ciągliwość, oraz sposób wytwarzania wspomnianej blachy stalowej grubej walcowanej na gorąco o dużej wytrzymałości |
CA2806626C (fr) | 2010-07-28 | 2016-04-05 | Nippon Steel & Sumitomo Metal Corporation | Tole en acier laminee a chaud, tole en acier laminee a froid, tole en acier galvanisee et leurs procedes de fabrication |
KR101329893B1 (ko) * | 2010-08-02 | 2013-11-15 | 주식회사 포스코 | 고강도 및 고성형성을 갖는 극박 냉연 강판 및 그 제조방법 |
KR101360535B1 (ko) * | 2010-09-28 | 2014-02-21 | 주식회사 포스코 | 냉간압연을 이용한 고강도 극박 냉연강판 및 그 제조방법 |
KR101329917B1 (ko) * | 2010-09-28 | 2013-11-14 | 주식회사 포스코 | 우수한 성형성을 갖는 고강도 극박 냉연 강판 및 그 제조방법 |
KR101329922B1 (ko) * | 2010-09-29 | 2013-11-14 | 주식회사 포스코 | 고강도 고성형 극박 냉연강판 및 그 제조 방법 |
KR101329868B1 (ko) * | 2010-09-29 | 2013-11-14 | 주식회사 포스코 | 고강도 극박 냉연강판 및 그 제조 방법 |
KR101329869B1 (ko) * | 2010-09-29 | 2013-11-14 | 주식회사 포스코 | 석출강화를 이용한 고강도 극박 냉연강판 및 그 제조 방법 |
RU2455088C2 (ru) * | 2010-10-07 | 2012-07-10 | Открытое акционерное общество "Магнитогорский металлургический комбинат" | Способ производства рулонов горячекатаной низколегированной стали |
CN101974722A (zh) * | 2010-10-29 | 2011-02-16 | 河北钢铁股份有限公司唐山分公司 | 一种用于制造混凝土搅拌车罐体的钢板及生产方法 |
MX338997B (es) * | 2011-03-28 | 2016-05-09 | Nippon Steel & Sumitomo Metal Corp | Placa de acero laminada en frio y metodo de produccion de la misma. |
CN103459646B (zh) * | 2011-04-13 | 2015-07-29 | 新日铁住金株式会社 | 局部变形能力优异的高强度冷轧钢板及其制造方法 |
US9752217B2 (en) * | 2011-04-13 | 2017-09-05 | Nippon Steel & Sumitomo Metal Corporation | Hot-rolled steel sheet and method of producing the same |
CN103534379B (zh) | 2011-04-13 | 2016-01-20 | 新日铁住金株式会社 | 气体氮碳共渗用热轧钢板及其制造方法 |
US9567658B2 (en) | 2011-05-25 | 2017-02-14 | Nippon Steel & Sumitomo Metal Corporation | Cold-rolled steel sheet |
BR112014000063A2 (pt) | 2011-07-06 | 2017-02-14 | Nippon Steel & Sumitomo Metal Corp | chapa de aço laminada a frio |
TWI548756B (zh) * | 2011-07-27 | 2016-09-11 | Nippon Steel & Sumitomo Metal Corp | High strength cold rolled steel sheet with excellent extension flangeability and precision punching and its manufacturing method |
KR101382908B1 (ko) * | 2014-03-05 | 2014-04-08 | 주식회사 포스코 | 초고강도 박강판 및 그 제조방법 |
CN106661689B (zh) * | 2014-07-14 | 2018-09-04 | 新日铁住金株式会社 | 热轧钢板 |
EP3153598B1 (fr) * | 2014-07-14 | 2020-09-09 | Nippon Steel Corporation | Plaque d'acier laminée à chaud |
CN105177425B (zh) * | 2015-09-26 | 2017-06-20 | 哈尔滨工程大学 | 一种含铜纳米相强化低合金钢及其制备方法 |
CN107557673B (zh) * | 2016-06-30 | 2019-03-22 | 鞍钢股份有限公司 | 一种高延伸率高强热轧酸洗钢板及其制造方法 |
JP6677364B1 (ja) | 2018-07-27 | 2020-04-08 | 日本製鉄株式会社 | 高強度鋼板 |
CN112326551B (zh) * | 2020-11-13 | 2023-07-18 | 江苏省沙钢钢铁研究院有限公司 | 一种复合钢板性能的测试方法 |
CN113528947B (zh) * | 2021-06-21 | 2022-03-25 | 武汉钢铁有限公司 | 一种用CSP生产抗拉强度为1500MPa级高塑韧性汽车结构件用钢及生产方法 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4572748A (en) * | 1982-11-29 | 1986-02-25 | Nippon Kokan Kabushiki Kaisha | Method of manufacturing high tensile strength steel plates |
EP0586704A1 (fr) * | 1991-05-30 | 1994-03-16 | Nippon Steel Corporation | Tole d'acier laminee a chaud a rapport d'elasticite eleve et a haute resistance presentant une plasticite ou une plasticite/soudabilite par points excellente, et son procede de production |
US5470529A (en) * | 1994-03-08 | 1995-11-28 | Sumitomo Metal Industries, Ltd. | High tensile strength steel sheet having improved formability |
EP0719868A1 (fr) * | 1994-12-26 | 1996-07-03 | Kawasaki Steel Corporation | TÔles d'acier ayant une résistance élevée aux chocs pour la construction des automobiles et procédé de fabrication de tÔles d'acier |
WO1997039152A1 (fr) * | 1996-04-16 | 1997-10-23 | Centre De Recherches Metallurgiques - Centrum Voor Research In De Metallurgie | Procede pour la fabrication d'une bande laminee a chaud en acier a haute resistance |
EP0969112A1 (fr) * | 1997-03-17 | 2000-01-05 | Nippon Steel Corporation | Tole d'acier biphase a haute resistance ayant d'excellentes proprietes de deformation dynamique et son procede de preparation |
EP1026278A1 (fr) * | 1998-07-27 | 2000-08-09 | Nippon Steel Corporation | Tole d'acier mince a base de ferrite presentant une excellente caracteristique de prise de forme, et son procede de fabrication |
EP1201780A1 (fr) * | 2000-04-21 | 2002-05-02 | Nippon Steel Corporation | Plaque d'acier presentant une excellente aptitude a l'ebarbage et une resistance elevee a la fatigue, et son procede de production |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3219820B2 (ja) * | 1991-12-27 | 2001-10-15 | 川崎製鉄株式会社 | 低降伏比高強度熱延鋼板およびその製造方法 |
DE69329236T2 (de) * | 1992-06-22 | 2001-04-05 | Nippon Steel Corp., Tokio/Tokyo | Kaltgewalztes stahlblech mit guter einbrennhärtbarkeit, ohne kaltalterungserscheinungen und exzellenter giessbarkeit, tauchzink-beschichtetes kaltgewalztes stahlblech und deren herstellungsverfahren |
JPH1060527A (ja) * | 1996-08-21 | 1998-03-03 | Sumitomo Metal Ind Ltd | 高ヤング率鋼材の製造方法 |
JP3417878B2 (ja) * | 1999-07-02 | 2003-06-16 | 株式会社神戸製鋼所 | 伸びフランジ性および疲労特性に優れた高強度熱延鋼板およびその製法 |
JP4060997B2 (ja) * | 1999-08-27 | 2008-03-12 | 新日本製鐵株式会社 | 曲げ性と深絞り性に優れた高強度冷延鋼板と高強度亜鉛めっき冷延鋼板およびその製造方法 |
EP1225242B1 (fr) * | 2001-01-18 | 2004-04-07 | JFE Steel Corporation | Tôle d'acier ferritique inoxydable ayant une formabilité excellente et son procédé de fabrication |
-
2001
- 2001-08-16 JP JP2001247306A patent/JP3927384B2/ja not_active Expired - Fee Related
-
2002
- 2002-02-20 WO PCT/JP2002/001498 patent/WO2002066697A1/fr not_active Application Discontinuation
- 2002-02-20 KR KR1020037010529A patent/KR100572762B1/ko active IP Right Grant
- 2002-02-20 EP EP02700640A patent/EP1362930A4/fr not_active Withdrawn
- 2002-02-20 US US10/468,945 patent/US20040069382A1/en not_active Abandoned
- 2002-02-20 CN CNB028054024A patent/CN1221680C/zh not_active Expired - Lifetime
- 2002-02-20 CA CA002438393A patent/CA2438393A1/fr not_active Abandoned
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4572748A (en) * | 1982-11-29 | 1986-02-25 | Nippon Kokan Kabushiki Kaisha | Method of manufacturing high tensile strength steel plates |
EP0586704A1 (fr) * | 1991-05-30 | 1994-03-16 | Nippon Steel Corporation | Tole d'acier laminee a chaud a rapport d'elasticite eleve et a haute resistance presentant une plasticite ou une plasticite/soudabilite par points excellente, et son procede de production |
US5470529A (en) * | 1994-03-08 | 1995-11-28 | Sumitomo Metal Industries, Ltd. | High tensile strength steel sheet having improved formability |
EP0719868A1 (fr) * | 1994-12-26 | 1996-07-03 | Kawasaki Steel Corporation | TÔles d'acier ayant une résistance élevée aux chocs pour la construction des automobiles et procédé de fabrication de tÔles d'acier |
WO1997039152A1 (fr) * | 1996-04-16 | 1997-10-23 | Centre De Recherches Metallurgiques - Centrum Voor Research In De Metallurgie | Procede pour la fabrication d'une bande laminee a chaud en acier a haute resistance |
EP0969112A1 (fr) * | 1997-03-17 | 2000-01-05 | Nippon Steel Corporation | Tole d'acier biphase a haute resistance ayant d'excellentes proprietes de deformation dynamique et son procede de preparation |
EP1026278A1 (fr) * | 1998-07-27 | 2000-08-09 | Nippon Steel Corporation | Tole d'acier mince a base de ferrite presentant une excellente caracteristique de prise de forme, et son procede de fabrication |
EP1201780A1 (fr) * | 2000-04-21 | 2002-05-02 | Nippon Steel Corporation | Plaque d'acier presentant une excellente aptitude a l'ebarbage et une resistance elevee a la fatigue, et son procede de production |
Also Published As
Publication number | Publication date |
---|---|
EP1362930A1 (fr) | 2003-11-19 |
JP2002322533A (ja) | 2002-11-08 |
CN1221680C (zh) | 2005-10-05 |
US20040069382A1 (en) | 2004-04-15 |
KR100572762B1 (ko) | 2006-04-24 |
CN1492938A (zh) | 2004-04-28 |
WO2002066697A1 (fr) | 2002-08-29 |
KR20030077018A (ko) | 2003-09-29 |
CA2438393A1 (fr) | 2002-08-29 |
JP3927384B2 (ja) | 2007-06-06 |
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