EP2172575A1 - Cold rolled steel plate of excellent moldability, panel shape characteristics and denting resistance, molten zinc plated steel plate, and method of manufacturing these steel plates - Google Patents
Cold rolled steel plate of excellent moldability, panel shape characteristics and denting resistance, molten zinc plated steel plate, and method of manufacturing these steel plates Download PDFInfo
- Publication number
- EP2172575A1 EP2172575A1 EP09150416A EP09150416A EP2172575A1 EP 2172575 A1 EP2172575 A1 EP 2172575A1 EP 09150416 A EP09150416 A EP 09150416A EP 09150416 A EP09150416 A EP 09150416A EP 2172575 A1 EP2172575 A1 EP 2172575A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- panel
- steel sheet
- resistance
- dent
- steel
- 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- Withdrawn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
- 229910000831 Steel Inorganic materials 0.000 title claims description 186
- 239000010959 steel Substances 0.000 title claims description 186
- 239000010960 cold rolled steel Substances 0.000 title claims description 25
- 238000004519 manufacturing process Methods 0.000 title claims description 21
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 title description 2
- 239000011701 zinc Substances 0.000 title description 2
- 229910052725 zinc Inorganic materials 0.000 title description 2
- 238000000137 annealing Methods 0.000 claims description 21
- 238000005098 hot rolling Methods 0.000 claims description 20
- 238000005246 galvanizing Methods 0.000 claims description 18
- 238000005096 rolling process Methods 0.000 claims description 16
- 229910001335 Galvanized steel Inorganic materials 0.000 claims description 15
- 239000008397 galvanized steel Substances 0.000 claims description 15
- 238000005097 cold rolling Methods 0.000 claims description 14
- 229910052758 niobium Inorganic materials 0.000 claims description 11
- 229910052799 carbon Inorganic materials 0.000 claims description 7
- 229910052719 titanium Inorganic materials 0.000 claims description 7
- 229910052757 nitrogen Inorganic materials 0.000 claims description 6
- 239000012535 impurity Substances 0.000 claims description 5
- 238000009749 continuous casting Methods 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims description 4
- 229910052717 sulfur Inorganic materials 0.000 claims description 4
- 239000010955 niobium Substances 0.000 description 34
- 230000000052 comparative effect Effects 0.000 description 23
- 238000000034 method Methods 0.000 description 21
- 239000000203 mixture Substances 0.000 description 20
- 238000011156 evaluation Methods 0.000 description 17
- 239000011572 manganese Substances 0.000 description 17
- 230000032683 aging Effects 0.000 description 15
- 239000000654 additive Substances 0.000 description 12
- 230000035882 stress Effects 0.000 description 12
- 238000005266 casting Methods 0.000 description 10
- 238000010438 heat treatment Methods 0.000 description 10
- 239000002245 particle Substances 0.000 description 10
- 238000005728 strengthening Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 9
- 230000001771 impaired effect Effects 0.000 description 9
- 239000011248 coating agent Substances 0.000 description 7
- 238000000576 coating method Methods 0.000 description 7
- 238000005482 strain hardening Methods 0.000 description 6
- 230000006866 deterioration Effects 0.000 description 5
- 239000006104 solid solution Substances 0.000 description 5
- 229910000859 α-Fe Inorganic materials 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000005275 alloying Methods 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 4
- 238000002844 melting Methods 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 238000009864 tensile test Methods 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000001747 exhibiting effect Effects 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 230000003292 diminished effect Effects 0.000 description 2
- 230000014509 gene expression Effects 0.000 description 2
- 229910052748 manganese Inorganic materials 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical group [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 238000005554 pickling Methods 0.000 description 2
- 238000001953 recrystallisation Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 238000002791 soaking Methods 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- 238000004381 surface treatment Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- LRXTYHSAJDENHV-UHFFFAOYSA-H zinc phosphate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O LRXTYHSAJDENHV-UHFFFAOYSA-H 0.000 description 2
- 229910000165 zinc phosphate Inorganic materials 0.000 description 2
- 101100432802 Drosophila melanogaster Ypel gene Proteins 0.000 description 1
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical group [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000001226 reprecipitation Methods 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
-
- 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
- C21D8/04—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing
- C21D8/0421—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing characterised by the working steps
- C21D8/0426—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
- C21D8/04—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing
- C21D8/0421—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing characterised by the working steps
- C21D8/0436—Cold rolling
-
- 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
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/004—Very low carbon steels, i.e. having a carbon content of less than 0,01%
-
- 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
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Heat Treatment Of Sheet Steel (AREA)
- Coating With Molten Metal (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11678898A JP4177478B2 (ja) | 1998-04-27 | 1998-04-27 | 成形性、パネル形状性、耐デント性に優れた冷延鋼板、溶融亜鉛めっき鋼板及びそれらの製造方法 |
| EP98944222A EP1002884B1 (en) | 1998-04-27 | 1998-09-24 | Cold rolled steel plate of excellent moldability, panel shape characteristics and denting resistance, molten zinc plated steel plate, and method of manufacturing these steel plates |
Related Parent Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP98944222.3 Division | 1998-09-24 | ||
| WOPCT/JP98/04283 Previously-Filed-Application | 1998-09-24 | ||
| EP98944222A Division EP1002884B1 (en) | 1998-04-27 | 1998-09-24 | Cold rolled steel plate of excellent moldability, panel shape characteristics and denting resistance, molten zinc plated steel plate, and method of manufacturing these steel plates |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP2172575A1 true EP2172575A1 (en) | 2010-04-07 |
Family
ID=14695722
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP09150416A Withdrawn EP2172575A1 (en) | 1998-04-27 | 1998-09-24 | Cold rolled steel plate of excellent moldability, panel shape characteristics and denting resistance, molten zinc plated steel plate, and method of manufacturing these steel plates |
| EP98944222A Expired - Lifetime EP1002884B1 (en) | 1998-04-27 | 1998-09-24 | Cold rolled steel plate of excellent moldability, panel shape characteristics and denting resistance, molten zinc plated steel plate, and method of manufacturing these steel plates |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP98944222A Expired - Lifetime EP1002884B1 (en) | 1998-04-27 | 1998-09-24 | Cold rolled steel plate of excellent moldability, panel shape characteristics and denting resistance, molten zinc plated steel plate, and method of manufacturing these steel plates |
Country Status (7)
| Country | Link |
|---|---|
| EP (2) | EP2172575A1 (ja) |
| JP (1) | JP4177478B2 (ja) |
| KR (1) | KR100345012B1 (ja) |
| CN (2) | CN1084797C (ja) |
| BR (1) | BR9810485A (ja) |
| DE (1) | DE69840595D1 (ja) |
| WO (1) | WO1999055927A1 (ja) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3985523B2 (ja) * | 2000-04-24 | 2007-10-03 | Ｊｆｅスチール株式会社 | 継手部疲労特性に優れた直線型形鋼およびその製造方法 |
| CA2379698C (en) * | 2000-05-26 | 2009-02-17 | Kawasaki Steel Corporation | Cold rolled steel sheet and galvanized steel sheet having strain age hardenability |
| US20030015263A1 (en) | 2000-05-26 | 2003-01-23 | Chikara Kami | Cold rolled steel sheet and galvanized steel sheet having strain aging hardening property and method for producing the same |
| WO2001098552A1 (en) * | 2000-06-20 | 2001-12-27 | Nkk Corporation | Thin steel sheet and method for production thereof |
| JP4513434B2 (ja) * | 2004-07-09 | 2010-07-28 | Ｊｆｅスチール株式会社 | コイル内材質均一性に優れた高強度冷延鋼板およびその製造方法 |
| KR101042434B1 (ko) * | 2007-10-29 | 2011-06-16 | 현대제철 주식회사 | 냉연강판 및 그의 제조방법 |
| JP5056863B2 (ja) * | 2010-01-15 | 2012-10-24 | Ｊｆｅスチール株式会社 | 冷延鋼板およびその製造方法 |
| CA3033685A1 (en) | 2016-09-20 | 2018-03-29 | Thyssenkrupp Steel Europe Ag | Method for manufacturing flat steel products and flat steel product |
| CN109844158B (zh) * | 2016-10-17 | 2021-09-07 | 塔塔钢铁艾默伊登有限责任公司 | 用于涂漆零件的钢基底 |
| DE102017103308A1 (de) * | 2017-02-17 | 2018-08-23 | Voestalpine Stahl Gmbh | Verfahren zum Herstellen von Stahlblechen |
| KR102322713B1 (ko) * | 2019-12-19 | 2021-11-04 | 주식회사 포스코 | 내열성과 성형성이 우수한 냉연강판 및 그 제조방법 |
| US20230050487A1 (en) * | 2020-01-24 | 2023-02-16 | Nippon Steel Corporation | Panel |
| KR102556444B1 (ko) * | 2020-12-29 | 2023-07-18 | 현대제철 주식회사 | 우수한 내덴트 특성을 가지는 내덴트성 냉연강판, 내덴트성 도금강판 및 그 제조방법 |
| CN117165845B (zh) * | 2023-04-28 | 2024-04-16 | 鞍钢股份有限公司 | 新能源汽车用340MPa级合金化热镀锌板及其制备方法 |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4504326A (en) * | 1982-10-08 | 1985-03-12 | Nippon Steel Corporation | Method for the production of cold rolled steel sheet having super deep drawability |
| US4576656A (en) * | 1982-10-08 | 1986-03-18 | Kawasaki Steel Corporation | Method of producing cold rolled steel sheets for deep drawing |
| JPS6164852A (ja) * | 1984-09-03 | 1986-04-03 | Kawasaki Steel Corp | 面内異方性の極めて少ないプレス加工用非時効性冷延鋼板 |
| US4586966A (en) * | 1983-03-25 | 1986-05-06 | Sumitomo Metal Industries, Ltd. | Method of producing cold-rolled steel sheet exhibiting improved press-formability |
| US4589931A (en) * | 1980-11-26 | 1986-05-20 | Kawasaki Steel Corporation | Method of producing a thin steel sheet having baking hardenability and adapted for drawing |
| US4750952A (en) * | 1984-07-17 | 1988-06-14 | Kawasaki Steel Corporation | Cold-rolled steel sheets |
| EP0421087A2 (en) * | 1989-08-09 | 1991-04-10 | KABUSHIKI KAISHA KOBE SEIKO SHO also known as Kobe Steel Ltd. | Method of manufacturing a steel sheet |
| EP0444967A2 (en) * | 1990-03-02 | 1991-09-04 | Kabushiki Kaisha Kobe Seiko Sho | Cold-rolled steel sheets or hot-dip galvanized cold rolled steel sheets for deep drawing |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3876390A (en) * | 1971-01-18 | 1975-04-08 | Armco Steel Corp | Columbium treated, non-aging, vacuum degassed low carbon steel and method for producing same |
| US5690755A (en) * | 1992-08-31 | 1997-11-25 | Nippon Steel Corporation | Cold-rolled steel sheet and hot-dip galvanized cold-rolled steel sheet having excellent bake hardenability, non-aging properties at room temperature and good formability and process for producing the same |
| JP2682351B2 (ja) * | 1992-09-30 | 1997-11-26 | 日本鋼管株式会社 | 耐常温時効性の優れた焼付硬化型冷延鋼板の製造方法 |
| JP3293339B2 (ja) * | 1994-07-27 | 2002-06-17 | 日本鋼管株式会社 | 加工硬化性に優れた鋼板 |
| JP3094804B2 (ja) * | 1994-08-01 | 2000-10-03 | 日本鋼管株式会社 | 表面性状に優れた焼付け硬化型鋼板 |
| JPH0860242A (ja) * | 1994-08-17 | 1996-03-05 | Nippon Steel Corp | 製缶性と耐圧強度に優れたｄｉ缶用鋼板の製造方法 |
| FR2735148B1 (fr) * | 1995-06-08 | 1997-07-11 | Lorraine Laminage | Tole d'acier laminee a chaud a haute resistance et haute emboutissabilite renfermant du niobium, et ses procedes de fabrication. |
| US5853903A (en) * | 1996-05-07 | 1998-12-29 | Nkk Corporation | Steel sheet for excellent panel appearance and dent resistance after panel-forming |
-
1998
- 1998-04-27 JP JP11678898A patent/JP4177478B2/ja not_active Expired - Fee Related
- 1998-09-24 EP EP09150416A patent/EP2172575A1/en not_active Withdrawn
- 1998-09-24 WO PCT/JP1998/004283 patent/WO1999055927A1/ja active IP Right Grant
- 1998-09-24 EP EP98944222A patent/EP1002884B1/en not_active Expired - Lifetime
- 1998-09-24 BR BR9810485-3A patent/BR9810485A/pt not_active IP Right Cessation
- 1998-09-24 CN CN988066173A patent/CN1084797C/zh not_active Expired - Lifetime
- 1998-09-24 KR KR1019997012339A patent/KR100345012B1/ko not_active IP Right Cessation
- 1998-09-24 DE DE69840595T patent/DE69840595D1/de not_active Expired - Lifetime
-
2001
- 2001-10-09 CN CNB011362103A patent/CN1138016C/zh not_active Expired - Lifetime
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4589931A (en) * | 1980-11-26 | 1986-05-20 | Kawasaki Steel Corporation | Method of producing a thin steel sheet having baking hardenability and adapted for drawing |
| US4504326A (en) * | 1982-10-08 | 1985-03-12 | Nippon Steel Corporation | Method for the production of cold rolled steel sheet having super deep drawability |
| US4576656A (en) * | 1982-10-08 | 1986-03-18 | Kawasaki Steel Corporation | Method of producing cold rolled steel sheets for deep drawing |
| US4586966A (en) * | 1983-03-25 | 1986-05-06 | Sumitomo Metal Industries, Ltd. | Method of producing cold-rolled steel sheet exhibiting improved press-formability |
| US4750952A (en) * | 1984-07-17 | 1988-06-14 | Kawasaki Steel Corporation | Cold-rolled steel sheets |
| JPS6164852A (ja) * | 1984-09-03 | 1986-04-03 | Kawasaki Steel Corp | 面内異方性の極めて少ないプレス加工用非時効性冷延鋼板 |
| EP0421087A2 (en) * | 1989-08-09 | 1991-04-10 | KABUSHIKI KAISHA KOBE SEIKO SHO also known as Kobe Steel Ltd. | Method of manufacturing a steel sheet |
| EP0444967A2 (en) * | 1990-03-02 | 1991-09-04 | Kabushiki Kaisha Kobe Seiko Sho | Cold-rolled steel sheets or hot-dip galvanized cold rolled steel sheets for deep drawing |
Also Published As
| Publication number | Publication date |
|---|---|
| DE69840595D1 (de) | 2009-04-09 |
| EP1002884A4 (en) | 2006-04-05 |
| EP1002884A1 (en) | 2000-05-24 |
| KR20010014238A (ko) | 2001-02-26 |
| WO1999055927A1 (fr) | 1999-11-04 |
| JPH11310849A (ja) | 1999-11-09 |
| CN1261408A (zh) | 2000-07-26 |
| EP1002884B1 (en) | 2009-02-25 |
| CN1084797C (zh) | 2002-05-15 |
| KR100345012B1 (ko) | 2002-07-20 |
| CN1138016C (zh) | 2004-02-11 |
| BR9810485A (pt) | 2000-09-12 |
| JP4177478B2 (ja) | 2008-11-05 |
| CN1405352A (zh) | 2003-03-26 |
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