JP5786317B2 - 材質安定性と加工性に優れた高強度溶融亜鉛めっき鋼板およびその製造方法 - Google Patents

材質安定性と加工性に優れた高強度溶融亜鉛めっき鋼板およびその製造方法 Download PDF

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Publication number: JP5786317B2
Authority: JP; Japan
Prior art keywords: steel sheet; less; dip galvanized; galvanized steel; workability
Prior art date: 2010-01-22
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.): Active

Application number

JP2010262087A

Other languages

English (en)

Japanese (ja)

Other versions

JP2011168877A (ja

Inventor

由康川崎

達也中垣内

金子　真次郎

真次郎金子

長滝　康伸

康伸長滝

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

JFE Steel Corp

Original Assignee

JFE Steel Corp

Priority date (The priority date 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 date listed.)

2010-01-22

Filing date

2010-11-25

Publication date

2015-09-30

2010-11-25 Application filed by JFE Steel Corp filed Critical JFE Steel Corp

2010-11-25 Priority to JP2010262087A priority Critical patent/JP5786317B2/ja

2011-01-18 Priority to PCT/JP2011/051151 priority patent/WO2011090180A1/fr

2011-01-18 Priority to EP11734786.4A priority patent/EP2527482B1/fr

2011-01-20 Priority to TW100102081A priority patent/TWI433961B/zh

2011-09-01 Publication of JP2011168877A publication Critical patent/JP2011168877A/ja

2015-09-30 Application granted granted Critical

2015-09-30 Publication of JP5786317B2 publication Critical patent/JP5786317B2/ja

Status Active legal-status Critical Current

2030-11-25 Anticipated expiration legal-status Critical

Links

229910001335 Galvanized steel Inorganic materials 0.000 title claims description 46
239000008397 galvanized steel Substances 0.000 title claims description 46
239000000463 material Substances 0.000 title claims description 41
238000004519 manufacturing process Methods 0.000 title claims description 17
229910000831 Steel Inorganic materials 0.000 claims description 71
239000010959 steel Substances 0.000 claims description 71
229910000859 α-Fe Inorganic materials 0.000 claims description 51
229910000734 martensite Inorganic materials 0.000 claims description 43
229910001562 pearlite Inorganic materials 0.000 claims description 27
239000000203 mixture Substances 0.000 claims description 21
238000005246 galvanizing Methods 0.000 claims description 18
238000000137 annealing Methods 0.000 claims description 16
238000001816 cooling Methods 0.000 claims description 14
238000010438 heat treatment Methods 0.000 claims description 11
229910052758 niobium Inorganic materials 0.000 claims description 7
229910052720 vanadium Inorganic materials 0.000 claims description 6
229910052802 copper Inorganic materials 0.000 claims description 5
239000012535 impurity Substances 0.000 claims description 5
229910052748 manganese Inorganic materials 0.000 claims description 5
229910052750 molybdenum Inorganic materials 0.000 claims description 5
229910052759 nickel Inorganic materials 0.000 claims description 5
238000007654 immersion Methods 0.000 claims description 4
229910052757 nitrogen Inorganic materials 0.000 claims description 4
229910052782 aluminium Inorganic materials 0.000 claims description 3
229910052718 tin Inorganic materials 0.000 claims description 3
229910052698 phosphorus Inorganic materials 0.000 claims description 2
229910001566 austenite Inorganic materials 0.000 description 20
238000005275 alloying Methods 0.000 description 13
238000007747 plating Methods 0.000 description 13
238000005728 strengthening Methods 0.000 description 13
238000011282 treatment Methods 0.000 description 13
230000000694 effects Effects 0.000 description 11
230000003647 oxidation Effects 0.000 description 9
238000007254 oxidation reaction Methods 0.000 description 9
230000000717 retained effect Effects 0.000 description 9
230000007423 decrease Effects 0.000 description 8
238000010586 diagram Methods 0.000 description 6
XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
239000010410 layer Substances 0.000 description 6
238000000034 method Methods 0.000 description 6
229910001035 Soft ferrite Inorganic materials 0.000 description 5
230000000052 comparative effect Effects 0.000 description 5
239000002131 composite material Substances 0.000 description 5
230000006866 deterioration Effects 0.000 description 5
238000005121 nitriding Methods 0.000 description 5
230000032683 aging Effects 0.000 description 4
229910045601 alloy Inorganic materials 0.000 description 4
239000000956 alloy Substances 0.000 description 4
239000010960 cold rolled steel Substances 0.000 description 4
238000005097 cold rolling Methods 0.000 description 4
238000005098 hot rolling Methods 0.000 description 4
238000005554 pickling Methods 0.000 description 4
238000005096 rolling process Methods 0.000 description 4
230000009466 transformation Effects 0.000 description 4
229910001563 bainite Inorganic materials 0.000 description 3
229910052799 carbon Inorganic materials 0.000 description 3
229910001567 cementite Inorganic materials 0.000 description 3
239000000446 fuel Substances 0.000 description 3
KSOKAHYVTMZFBJ-UHFFFAOYSA-N iron;methane Chemical compound C.[Fe].[Fe].[Fe] KSOKAHYVTMZFBJ-UHFFFAOYSA-N 0.000 description 3
150000001247 metal acetylides Chemical class 0.000 description 3
239000002244 precipitate Substances 0.000 description 3
239000006104 solid solution Substances 0.000 description 3
239000000126 substance Substances 0.000 description 3
239000002344 surface layer Substances 0.000 description 3
238000005266 casting Methods 0.000 description 2
238000009749 continuous casting Methods 0.000 description 2
238000005336 cracking Methods 0.000 description 2
238000005261 decarburization Methods 0.000 description 2
230000003247 decreasing effect Effects 0.000 description 2
230000007547 defect Effects 0.000 description 2
238000011161 development Methods 0.000 description 2
230000018109 developmental process Effects 0.000 description 2
238000005265 energy consumption Methods 0.000 description 2
238000007710 freezing Methods 0.000 description 2
230000008014 freezing Effects 0.000 description 2
230000001771 impaired effect Effects 0.000 description 2
230000000977 initiatory effect Effects 0.000 description 2
239000002184 metal Substances 0.000 description 2
229910052751 metal Inorganic materials 0.000 description 2
238000005498 polishing Methods 0.000 description 2
238000001556 precipitation Methods 0.000 description 2
230000001737 promoting effect Effects 0.000 description 2
238000005482 strain hardening Methods 0.000 description 2
229910052715 tantalum Inorganic materials 0.000 description 2
229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
241000219307 Atriplex rosea Species 0.000 description 1
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
230000002411 adverse Effects 0.000 description 1
229910052787 antimony Inorganic materials 0.000 description 1
230000015572 biosynthetic process Effects 0.000 description 1
229910052804 chromium Inorganic materials 0.000 description 1
230000001276 controlling effect Effects 0.000 description 1
238000012937 correction Methods 0.000 description 1
230000003111 delayed effect Effects 0.000 description 1
238000013461 design Methods 0.000 description 1
230000005611 electricity Effects 0.000 description 1
230000007613 environmental effect Effects 0.000 description 1
238000011156 evaluation Methods 0.000 description 1
229910052738 indium Inorganic materials 0.000 description 1
229910052742 iron Inorganic materials 0.000 description 1
238000000465 moulding Methods 0.000 description 1
238000012545 processing Methods 0.000 description 1
238000001953 recrystallisation Methods 0.000 description 1
230000001105 regulatory effect Effects 0.000 description 1
230000002040 relaxant effect Effects 0.000 description 1
-1 retained austenite Chemical class 0.000 description 1
229920006395 saturated elastomer Polymers 0.000 description 1
238000005204 segregation Methods 0.000 description 1
238000002791 soaking Methods 0.000 description 1
230000006641 stabilisation Effects 0.000 description 1
238000011105 stabilization Methods 0.000 description 1
230000000087 stabilizing effect Effects 0.000 description 1
238000009628 steelmaking Methods 0.000 description 1
238000005496 tempering Methods 0.000 description 1
238000009864 tensile test Methods 0.000 description 1
238000012360 testing method Methods 0.000 description 1
150000003568 thioethers Chemical class 0.000 description 1
230000037303 wrinkles Effects 0.000 description 1
229910052725 zinc Inorganic materials 0.000 description 1
239000011701 zinc Substances 0.000 description 1

Images

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
- C21D8/0205—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips of ferrous 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
- C21D8/0405—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 of ferrous 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
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
- 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
- C22C38/001—Ferrous alloys, e.g. steel alloys containing N
- 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
- 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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- 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
- C23C2/04—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the coating material
- C23C2/06—Zinc or cadmium or alloys based thereon
- 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
- C23C2/26—After-treatment
- C23C2/28—Thermal after-treatment, e.g. treatment in oil bath
- 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
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/002—Bainite
- 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
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/005—Ferrite
- 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
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/008—Martensite
- 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
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/009—Pearlite

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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)
Oil, Petroleum & Natural Gas (AREA)
Heat Treatment Of Sheet Steel (AREA)
Coating With Molten Metal (AREA)

JP2010262087A 2010-01-22 2010-11-25 材質安定性と加工性に優れた高強度溶融亜鉛めっき鋼板およびその製造方法 Active JP5786317B2 (ja)

Priority Applications (4)

Application Number	Priority Date	Filing Date	Title
JP2010262087A JP5786317B2 (ja)	2010-01-22	2010-11-25	材質安定性と加工性に優れた高強度溶融亜鉛めっき鋼板およびその製造方法
PCT/JP2011/051151 WO2011090180A1 (fr)	2010-01-22	2011-01-18	Tôle en acier galvanisé au trempé à haute résistance présentant une excellente stabilité matérielle et une excellente aptitude au traitement et procédé de production de celle-ci
EP11734786.4A EP2527482B1 (fr)	2010-01-22	2011-01-18	Procédé de production d'une tôle en acier galvanisé au trempé à haute résistance présentant une excellente stabilité matérielle et une excellente aptitude au traitement
TW100102081A TWI433961B (zh)	2010-01-22	2011-01-20	材質安定性和加工性優異之高強度熔融鍍鋅鋼板及其製造方法

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
JP2010011948		2010-01-22
JP2010011948		2010-01-22
JP2010262087A JP5786317B2 (ja)	2010-01-22	2010-11-25	材質安定性と加工性に優れた高強度溶融亜鉛めっき鋼板およびその製造方法

Publications (2)

Publication Number	Publication Date
JP2011168877A JP2011168877A (ja)	2011-09-01
JP5786317B2 true JP5786317B2 (ja)	2015-09-30

Family

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Family Applications (1)

Application Number	Title	Priority Date	Filing Date
JP2010262087A Active JP5786317B2 (ja)	2010-01-22	2010-11-25	材質安定性と加工性に優れた高強度溶融亜鉛めっき鋼板およびその製造方法

Country Status (4)

Country	Link
EP (1)	EP2527482B1 (fr)
JP (1)	JP5786317B2 (fr)
TW (1)	TWI433961B (fr)
WO (1)	WO2011090180A1 (fr)

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Publication number	Priority date	Publication date	Assignee	Title
JP4998756B2 (ja) *	2009-02-25	2012-08-15	Ｊｆｅスチール株式会社	加工性に優れた高強度溶融亜鉛めっき鋼板およびその製造方法
JP4883216B2 (ja) *	2010-01-22	2012-02-22	Ｊｆｅスチール株式会社	加工性とスポット溶接性に優れた高強度溶融亜鉛めっき鋼板およびその製造方法
JP5862002B2 (ja) *	2010-09-30	2016-02-16	Ｊｆｅスチール株式会社	疲労特性に優れた高強度溶融亜鉛めっき鋼板およびその製造方法
JP5246283B2 (ja) *	2011-02-28	2013-07-24	Ｊｆｅスチール株式会社	伸びと伸びフランジ性に優れた低降伏比高強度冷延鋼板およびその製造方法
JP5793971B2 (ja)	2011-06-01	2015-10-14	Ｊｆｅスチール株式会社	材質安定性、加工性およびめっき外観に優れた高強度溶融亜鉛めっき鋼板の製造方法
RU2585889C2 (ru) *	2011-09-30	2016-06-10	Ниппон Стил Энд Сумитомо Метал Корпорейшн	Высокопрочный горячеоцинкованный стальной лист, имеющий превосходное сопротивление замедленному разрушению, и способ его изготовления
JP5267638B2 (ja) *	2011-11-17	2013-08-21	Ｊｆｅスチール株式会社	高強度溶融亜鉛めっき鋼板または高強度合金化溶融亜鉛めっき鋼板用熱延鋼板およびその製造方法
WO2013179497A1 (fr) *	2012-06-01	2013-12-05	Ｊｆｅスチール株式会社	Tôle en acier laminée à froid haute résistance à faible rapport de limite d'élasticité présentant un excellent allongement et une excellente formabilité de bord tombé, et son procédé de fabrication
TWI454582B (zh) *	2012-06-13	2014-10-01	Jfe Steel Corp	延伸及延伸凸緣性優異之低降伏比高強度冷延鋼板及其製造方法
JP5505574B1 (ja)	2012-08-15	2014-05-28	新日鐵住金株式会社	熱間プレス用鋼板、その製造方法、及び熱間プレス鋼板部材

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JP4110680B2 (ja) *	1999-08-02	2008-07-02	Ｊｆｅスチール株式会社	極低炭素薄鋼板の製造方法
JP3912181B2 (ja) *	2002-03-28	2007-05-09	Ｊｆｅスチール株式会社	深絞り性と伸びフランジ性に優れた複合組織型高張力溶融亜鉛めっき冷延鋼板およびその製造方法
JP5151246B2 (ja) *	2007-05-24	2013-02-27	Ｊｆｅスチール株式会社	深絞り性と強度−延性バランスに優れた高強度冷延鋼板および高強度溶融亜鉛めっき鋼板ならびにその製造方法
JP5119903B2 (ja) *	2007-12-20	2013-01-16	Ｊｆｅスチール株式会社	高強度溶融亜鉛めっき鋼板および高強度合金化溶融亜鉛めっき鋼板の製造方法
JP4894863B2 (ja) *	2008-02-08	2012-03-14	Ｊｆｅスチール株式会社	加工性に優れた高強度溶融亜鉛めっき鋼板およびその製造方法
JP4998756B2 (ja) *	2009-02-25	2012-08-15	Ｊｆｅスチール株式会社	加工性に優れた高強度溶融亜鉛めっき鋼板およびその製造方法
JP4883216B2 (ja) *	2010-01-22	2012-02-22	Ｊｆｅスチール株式会社	加工性とスポット溶接性に優れた高強度溶融亜鉛めっき鋼板およびその製造方法
JP5786319B2 (ja) *	2010-01-22	2015-09-30	Ｊｆｅスチール株式会社	耐バリ性に優れた高強度溶融亜鉛めっき鋼板およびその製造方法

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