EP1002884B1 - Kaltgewalzte stahlplatte exzellenter formbarkeit, flachförmigen eigenschaften und eindellwiderstand, feuerverzinkte stahlplatte und verfahren zur deren herstellung - Google Patents
Kaltgewalzte stahlplatte exzellenter formbarkeit, flachförmigen eigenschaften und eindellwiderstand, feuerverzinkte stahlplatte und verfahren zur deren herstellung Download PDFInfo
- Publication number
- EP1002884B1 EP1002884B1 EP98944222A EP98944222A EP1002884B1 EP 1002884 B1 EP1002884 B1 EP 1002884B1 EP 98944222 A EP98944222 A EP 98944222A EP 98944222 A EP98944222 A EP 98944222A EP 1002884 B1 EP1002884 B1 EP 1002884B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- steel sheet
- rolled steel
- resistance
- panel
- cold
- 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.)
- Expired - Lifetime
Links
- 229910000831 Steel Inorganic materials 0.000 title claims description 126
- 239000010959 steel Substances 0.000 title claims description 126
- 239000010960 cold rolled steel Substances 0.000 title claims description 29
- 238000004519 manufacturing process Methods 0.000 title claims description 17
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 title claims 2
- 239000011701 zinc Substances 0.000 title claims 2
- 229910052725 zinc Inorganic materials 0.000 title claims 2
- 238000000137 annealing Methods 0.000 claims description 21
- 238000005098 hot rolling Methods 0.000 claims description 13
- 229910001335 Galvanized steel Inorganic materials 0.000 claims description 11
- 239000008397 galvanized steel Substances 0.000 claims description 11
- 238000005246 galvanizing Methods 0.000 claims description 11
- 238000005096 rolling process Methods 0.000 claims description 9
- 238000005266 casting Methods 0.000 claims description 8
- 238000005097 cold rolling Methods 0.000 claims description 8
- 229910000859 α-Fe Inorganic materials 0.000 claims description 7
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- 229910052758 niobium Inorganic materials 0.000 claims description 5
- 238000001953 recrystallisation Methods 0.000 claims description 5
- 239000012535 impurity Substances 0.000 claims description 3
- 239000010955 niobium Substances 0.000 description 20
- 239000000203 mixture Substances 0.000 description 13
- 230000032683 aging Effects 0.000 description 11
- 239000011572 manganese Substances 0.000 description 11
- 230000000052 comparative effect Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- 238000011156 evaluation Methods 0.000 description 7
- 239000000654 additive Substances 0.000 description 6
- 239000002245 particle Substances 0.000 description 6
- 230000035882 stress Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 230000001771 impaired effect Effects 0.000 description 5
- 238000005728 strengthening Methods 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 4
- 238000005482 strain hardening Methods 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 3
- 239000006104 solid solution Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 238000005275 alloying Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000001747 exhibiting effect Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000009864 tensile test Methods 0.000 description 2
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 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
- 230000002950 deficient Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical group [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000005554 pickling Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000001226 reprecipitation Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
- 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 1
- 229910000165 zinc phosphate Inorganic materials 0.000 description 1
Images
Classifications
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- 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
- 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
- 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
Claims (5)
- Kaltgewalztes Stahlblech mit exzellenter Formbarkeit, Flächenzurichtbarkeit und Eindellwiderstandsfähigkeit, umfassend 0,005 bis 0,015 Gew.-% an C, 0,01 bis 0,2 Gew.-% an Si, 0,45 bis 1,5 Gew.-% an Mn, 0,01 bis 0,07 Gew.-% an P, 0,006 bis 0,015 Gew.-% an S, 0,01 bis 0,08 Gew.-% an festem Al, nicht mehr als 0,004 Gew.-% an N, nicht mehr als 0,003 Gew.-% an O, 0,04 bis 0,23 Gew.-% an Nb, wobei die Mengen an Nb und C das Verhältnis erfüllen, das in Formel (1) angegeben ist, und einen Rest an Fe und unvermeidliche Unreinheiten, wobei das kaltgewalzte Stahlblech das Verhältnis erfüllt, das in Formel (2) angegeben ist:
wobei 0,002 < ε ≤ 0,096 ist, ε eine reale Spannung darstellt, σ0.2 eine 0,2%-Dehngrenze darstellt, und σ eine reale Spannung in Bezug auf ε darstellt;
und der Stahl einen mittleren r-Wert, der das Verhältnis: 1,8 ≤ r-Wert ≤ 2,2 erfüllt, und eine Zugfestigkeit von 340 MPa oder darüber hat. - Kaltgewalztes Stahlblech mit exzellenter Formbarkeit, Flächenzurichtbarkeit und Eindellwiderstandsfähigkeit nach Anspruch 1, darüber hinaus 0,0001 bis 0,002 Gew.-% an B umfassend.
- Schmelzzinkbeschichtetes Stahlblech mit exzellenter Formbarkeit, Flächenzurichtbarkeit und Eindellwiderstandsfähigkeit, das erhalten wird, indem eine Verzinkung auf das in Anspruch 1 oder 2 definierte kaltgewalzte Stahlblech aufgebracht wird.
- Verfahren zur Herstellung eines in Anspruch 1 oder 2 definierten kaltgewalzten Stahlblechs mit exzellenter Formbarkeit, Flächenzurichtbarkeit und Eindellwiderstandsfähigkeit, die folgenden Schritte umfassend:Vorbereiten eines Schmelzstahls und kontinuierliches Gießen des Stahls;Anwenden einer Warmwalzbearbeitung, und zwar so, dass ein Endwalzvorgang bei (Ar3 - 100)°C oder darüber erfolgt, um ein warmgewalztes Stahlband zu bilden, und das gewalzte Stahlband bei 500 bis 700°C aufgerollt wird; undkontinuierliches Anwenden einer Kaltwalzbearbeitung auf das warmgewalzte Stahlband und einer Temperbehandlung auf das kaltgewalzte Stahlband, wobei die Temperbehandlung innerhalb eines Rekristallisationstemperaturbereichs der Ferritphase durchgeführt wird.
- Verfahren zur Herstellung eines in Anspruch 3 definierten verzinkten Stahlblechs, wobei das Stahlblech von exzellenter Formbarkeit, Flächenzurichtbarkeit und Eindellwiderstandsfähigkeit ist, die folgenden Schritte umfassend:Vorbereiten eines Schmelzstahls und kontinuierliches Gießen des Stahls;Anwenden einer Warmwalzbearbeitung, und zwar so, dass ein Endwalzvorgang bei (Ar3 - 100)°C oder darüber erfolgt, um ein warmgewalztes Stahlband zu bilden, und das gewalzte Stahlband bei 500 bis 700°C aufgerollt wird; undkontinuierliches Anwenden einer Kaltwalzbearbeitung auf das warmgewalzte Stahlband und einer Temperbehandlung und Verzinkungsbehandlung auf das kaltgewalzte Stahlband, wobei die Temperbehandlung innerhalb eines Rekristallisationstemperaturbereichs der Ferritphase durchgeführt wird.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP09150416A EP2172575A1 (de) | 1998-04-27 | 1998-09-24 | Kaltgewalzte Stahlplatte exzellenter Formbarkeit, Flachförmigen Eigenschaften und Eindellwiderstand, Feuerverzinkte Stahlplatte und Verfharen zur deren Herstellung |
Applications Claiming Priority (3)
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 |
JP11678898 | 1998-04-27 | ||
PCT/JP1998/004283 WO1999055927A1 (fr) | 1998-04-27 | 1998-09-24 | Plaque d'acier laminee a froid possedant d'excellentes caracteristiques d'aptitude au moulage et de formabilite en panneaux, une bonne resistance a la constriction, plaque d'acier a placage en zinc moule et procede de fabrication de ces plaques |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09150416A Division EP2172575A1 (de) | 1998-04-27 | 1998-09-24 | Kaltgewalzte Stahlplatte exzellenter Formbarkeit, Flachförmigen Eigenschaften und Eindellwiderstand, Feuerverzinkte Stahlplatte und Verfharen zur deren Herstellung |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1002884A1 EP1002884A1 (de) | 2000-05-24 |
EP1002884A4 EP1002884A4 (de) | 2006-04-05 |
EP1002884B1 true EP1002884B1 (de) | 2009-02-25 |
Family
ID=14695722
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09150416A Withdrawn EP2172575A1 (de) | 1998-04-27 | 1998-09-24 | Kaltgewalzte Stahlplatte exzellenter Formbarkeit, Flachförmigen Eigenschaften und Eindellwiderstand, Feuerverzinkte Stahlplatte und Verfharen zur deren Herstellung |
EP98944222A Expired - Lifetime EP1002884B1 (de) | 1998-04-27 | 1998-09-24 | Kaltgewalzte stahlplatte exzellenter formbarkeit, flachförmigen eigenschaften und eindellwiderstand, feuerverzinkte stahlplatte und verfahren zur deren herstellung |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09150416A Withdrawn EP2172575A1 (de) | 1998-04-27 | 1998-09-24 | Kaltgewalzte Stahlplatte exzellenter Formbarkeit, Flachförmigen Eigenschaften und Eindellwiderstand, Feuerverzinkte Stahlplatte und Verfharen zur deren Herstellung |
Country Status (7)
Country | Link |
---|---|
EP (2) | EP2172575A1 (de) |
JP (1) | JP4177478B2 (de) |
KR (1) | KR100345012B1 (de) |
CN (2) | CN1084797C (de) |
BR (1) | BR9810485A (de) |
DE (1) | DE69840595D1 (de) |
WO (1) | WO1999055927A1 (de) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
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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 |
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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/de not_active Withdrawn
- 1998-09-24 WO PCT/JP1998/004283 patent/WO1999055927A1/ja active IP Right Grant
- 1998-09-24 EP EP98944222A patent/EP1002884B1/de 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
Also Published As
Publication number | Publication date |
---|---|
DE69840595D1 (de) | 2009-04-09 |
EP1002884A4 (de) | 2006-04-05 |
EP1002884A1 (de) | 2000-05-24 |
EP2172575A1 (de) | 2010-04-07 |
KR20010014238A (ko) | 2001-02-26 |
WO1999055927A1 (fr) | 1999-11-04 |
JPH11310849A (ja) | 1999-11-09 |
CN1261408A (zh) | 2000-07-26 |
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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