JP6846522B2 - 降伏強度、延性、及び穴拡げ性に優れた高強度冷延鋼板、溶融亜鉛めっき鋼板、及びこれらの製造方法 - Google Patents

降伏強度、延性、及び穴拡げ性に優れた高強度冷延鋼板、溶融亜鉛めっき鋼板、及びこれらの製造方法 Download PDF

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Publication number: JP6846522B2
Authority: JP; Japan
Prior art keywords: steel sheet; hot; cold; rolled steel; strength
Prior art date: 2016-12-16
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

JP2019531765A

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English (en)

Japanese (ja)

Other versions

JP2020509177A (ja

Inventor

ジェ−ヒョンカク、

ハン−シクチョ、

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.)

Posco Holdings Inc

Original Assignee

Posco Co Ltd

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.)

2016-12-16

Filing date

2017-11-29

Publication date

2021-03-24

2017-11-29 Application filed by Posco Co Ltd filed Critical Posco Co Ltd

2020-03-26 Publication of JP2020509177A publication Critical patent/JP2020509177A/ja

2021-03-24 Application granted granted Critical

2021-03-24 Publication of JP6846522B2 publication Critical patent/JP6846522B2/ja

Status Active legal-status Critical Current

2037-11-29 Anticipated expiration legal-status Critical

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239000010960 cold rolled steel Substances 0.000 title claims description 34
238000000034 method Methods 0.000 title claims description 29
238000004519 manufacturing process Methods 0.000 title claims description 20
229910001335 Galvanized steel Inorganic materials 0.000 title claims description 18
239000008397 galvanized steel Substances 0.000 title claims description 18
229910000831 Steel Inorganic materials 0.000 claims description 75
239000010959 steel Substances 0.000 claims description 75
229910000734 martensite Inorganic materials 0.000 claims description 53
229910001563 bainite Inorganic materials 0.000 claims description 42
229910001566 austenite Inorganic materials 0.000 claims description 25
229910000859 α-Fe Inorganic materials 0.000 claims description 21
PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 18
238000000137 annealing Methods 0.000 claims description 18
239000011572 manganese Substances 0.000 claims description 16
238000010791 quenching Methods 0.000 claims description 16
230000000171 quenching effect Effects 0.000 claims description 16
230000000717 retained effect Effects 0.000 claims description 16
238000001816 cooling Methods 0.000 claims description 14
230000008569 process Effects 0.000 claims description 13
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 12
239000010936 titanium Substances 0.000 claims description 12
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 11
229910052799 carbon Inorganic materials 0.000 claims description 11
238000005246 galvanizing Methods 0.000 claims description 8
229910052748 manganese Inorganic materials 0.000 claims description 8
ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 7
PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 7
229910052796 boron Inorganic materials 0.000 claims description 7
ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 6
RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 6
238000005275 alloying Methods 0.000 claims description 6
WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 claims description 6
239000012535 impurity Substances 0.000 claims description 6
229910052750 molybdenum Inorganic materials 0.000 claims description 6
239000011733 molybdenum Substances 0.000 claims description 6
229910052759 nickel Inorganic materials 0.000 claims description 6
229910052757 nitrogen Inorganic materials 0.000 claims description 6
229910052710 silicon Inorganic materials 0.000 claims description 6
229910052719 titanium Inorganic materials 0.000 claims description 6
XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 5
229910052782 aluminium Inorganic materials 0.000 claims description 5
XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
238000005097 cold rolling Methods 0.000 claims description 5
239000010703 silicon Substances 0.000 claims description 5
229910052787 antimony Inorganic materials 0.000 claims description 4
238000010438 heat treatment Methods 0.000 description 21
230000009466 transformation Effects 0.000 description 16
230000015572 biosynthetic process Effects 0.000 description 10
239000000203 mixture Substances 0.000 description 10
238000005096 rolling process Methods 0.000 description 9
238000007747 plating Methods 0.000 description 8
238000000638 solvent extraction Methods 0.000 description 8
238000004804 winding Methods 0.000 description 7
229910000794 TRIP steel Inorganic materials 0.000 description 6
229910045601 alloy Inorganic materials 0.000 description 6
239000000956 alloy Substances 0.000 description 6
ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 5
150000001247 metal acetylides Chemical class 0.000 description 5
238000003303 reheating Methods 0.000 description 5
230000000052 comparative effect Effects 0.000 description 4
230000000694 effects Effects 0.000 description 4
230000009467 reduction Effects 0.000 description 4
230000008901 benefit Effects 0.000 description 3
238000005098 hot rolling Methods 0.000 description 3
XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
239000000463 material Substances 0.000 description 3
239000006104 solid solution Substances 0.000 description 3
230000006641 stabilisation Effects 0.000 description 3
238000011105 stabilization Methods 0.000 description 3
230000000087 stabilizing effect Effects 0.000 description 3
238000005728 strengthening Methods 0.000 description 3
239000004566 building material Substances 0.000 description 2
238000009792 diffusion process Methods 0.000 description 2
238000002474 experimental method Methods 0.000 description 2
239000012467 final product Substances 0.000 description 2
239000011159 matrix material Substances 0.000 description 2
238000012986 modification Methods 0.000 description 2
230000004048 modification Effects 0.000 description 2
230000000704 physical effect Effects 0.000 description 2
230000001737 promoting effect Effects 0.000 description 2
238000002791 soaking Methods 0.000 description 2
229910001021 Ferroalloy Inorganic materials 0.000 description 1
229910000937 TWIP steel Inorganic materials 0.000 description 1
HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
230000009471 action Effects 0.000 description 1
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
238000005266 casting Methods 0.000 description 1
229910001567 cementite Inorganic materials 0.000 description 1
238000006243 chemical reaction Methods 0.000 description 1
239000003795 chemical substances by application Substances 0.000 description 1
238000009749 continuous casting Methods 0.000 description 1
238000007796 conventional method Methods 0.000 description 1
239000013078 crystal Substances 0.000 description 1
238000005261 decarburization Methods 0.000 description 1
230000007547 defect Effects 0.000 description 1
230000006866 deterioration Effects 0.000 description 1
230000009977 dual effect Effects 0.000 description 1
238000000265 homogenisation Methods 0.000 description 1
KSOKAHYVTMZFBJ-UHFFFAOYSA-N iron;methane Chemical compound C.[Fe].[Fe].[Fe] KSOKAHYVTMZFBJ-UHFFFAOYSA-N 0.000 description 1
238000003754 machining Methods 0.000 description 1
238000002844 melting Methods 0.000 description 1
230000008018 melting Effects 0.000 description 1
229910052751 metal Inorganic materials 0.000 description 1
239000002184 metal Substances 0.000 description 1
229910052760 oxygen Inorganic materials 0.000 description 1
239000001301 oxygen Substances 0.000 description 1
239000002244 precipitate Substances 0.000 description 1
238000001556 precipitation Methods 0.000 description 1
239000002994 raw material Substances 0.000 description 1
238000001953 recrystallisation Methods 0.000 description 1
238000011160 research Methods 0.000 description 1
238000005204 segregation Methods 0.000 description 1
238000000926 separation method Methods 0.000 description 1
238000004904 shortening Methods 0.000 description 1
239000000126 substance Substances 0.000 description 1
230000001629 suppression Effects 0.000 description 1
238000005496 tempering Methods 0.000 description 1
239000013585 weight reducing agent Substances 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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/18—Hardening; Quenching with or without subsequent tempering
- 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
- 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
- C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
- C21D8/0236—Cold 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
- C21D8/0263—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment following 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
- 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
- C22C38/008—Ferrous alloys, e.g. steel alloys containing tin
- 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
- C22C38/08—Ferrous alloys, e.g. steel alloys containing nickel
- 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
- C22C38/14—Ferrous alloys, e.g. steel alloys containing titanium or zirconium
- 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
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
- 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
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- C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
- 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
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/54—Ferrous alloys, e.g. steel alloys containing chromium with nickel with boron
- 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
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of 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
- C22C38/60—Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur
- 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
- C23C2/34—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
- 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
- C21D2211/001—Austenite
- 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

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Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Materials Engineering (AREA)
Mechanical Engineering (AREA)
Metallurgy (AREA)
Organic Chemistry (AREA)
Physics & Mathematics (AREA)
Thermal Sciences (AREA)
Crystallography & Structural Chemistry (AREA)
Chemical Kinetics & Catalysis (AREA)
Heat Treatment Of Sheet Steel (AREA)
Coating With Molten Metal (AREA)

JP2019531765A 2016-12-16 2017-11-29 降伏強度、延性、及び穴拡げ性に優れた高強度冷延鋼板、溶融亜鉛めっき鋼板、及びこれらの製造方法 Active JP6846522B2 (ja)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
KR1020160173006A KR101858852B1 (ko)	2016-12-16	2016-12-16	항복강도, 연성 및 구멍확장성이 우수한 고강도 냉연강판, 용융아연도금강판 및 이들의 제조방법
KR10-2016-0173006		2016-12-16
PCT/KR2017/013762 WO2018110867A1 (ko)	2016-12-16	2017-11-29	항복강도, 연성 및 구멍확장성이 우수한 고강도 냉연강판, 용융아연도금강판 및 이들의 제조방법

Publications (2)

Publication Number	Publication Date
JP2020509177A JP2020509177A (ja)	2020-03-26
JP6846522B2 true JP6846522B2 (ja)	2021-03-24

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JP2019531765A Active JP6846522B2 (ja)	2016-12-16	2017-11-29	降伏強度、延性、及び穴拡げ性に優れた高強度冷延鋼板、溶融亜鉛めっき鋼板、及びこれらの製造方法

Country Status (6)

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US (1)	US20200190612A1 (ko)
EP (1)	EP3556896B1 (ko)
JP (1)	JP6846522B2 (ko)
KR (1)	KR101858852B1 (ko)
CN (1)	CN110073026B (ko)
WO (1)	WO2018110867A1 (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN115161541A (zh) *	2021-04-02	2022-10-11	宝山钢铁股份有限公司	780MPa级别高成形性热镀锌双相钢及快速热处理热镀锌制造方法

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Publication number	Priority date	Publication date	Assignee	Title
JP7410936B2 (ja) *	2018-09-28	2024-01-10	ポスコカンパニーリミテッド	穴拡げ性が高い高強度冷延鋼板、高強度溶融亜鉛めっき鋼板、及びこれらの製造方法
CN109576579A (zh)	2018-11-29	2019-04-05	宝山钢铁股份有限公司	一种具有高扩孔率和较高延伸率的980MPa级冷轧钢板及其制造方法
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