CN114846165A - 加工性优异的高强度钢板及其制造方法 - Google Patents
加工性优异的高强度钢板及其制造方法 Download PDFInfo
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- CN114846165A CN114846165A CN202080088513.6A CN202080088513A CN114846165A CN 114846165 A CN114846165 A CN 114846165A CN 202080088513 A CN202080088513 A CN 202080088513A CN 114846165 A CN114846165 A CN 114846165A
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- steel sheet
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 144
- 239000010959 steel Substances 0.000 title claims abstract description 144
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 26
- 238000005452 bending Methods 0.000 claims abstract description 52
- 238000000034 method Methods 0.000 claims abstract description 22
- 229910001566 austenite Inorganic materials 0.000 claims description 87
- 238000001816 cooling Methods 0.000 claims description 86
- 230000000717 retained effect Effects 0.000 claims description 53
- 229910000734 martensite Inorganic materials 0.000 claims description 51
- 238000010438 heat treatment Methods 0.000 claims description 48
- 229910052710 silicon Inorganic materials 0.000 claims description 45
- 229910052782 aluminium Inorganic materials 0.000 claims description 44
- 229910000859 α-Fe Inorganic materials 0.000 claims description 41
- 229910001563 bainite Inorganic materials 0.000 claims description 27
- 238000005098 hot rolling Methods 0.000 claims description 22
- 229910052748 manganese Inorganic materials 0.000 claims description 19
- 238000000137 annealing Methods 0.000 claims description 18
- 239000010960 cold rolled steel Substances 0.000 claims description 16
- 238000005097 cold rolling Methods 0.000 claims description 15
- 239000012535 impurity Substances 0.000 claims description 13
- 238000005096 rolling process Methods 0.000 claims description 13
- 229910052759 nickel Inorganic materials 0.000 claims description 10
- 229910052735 hafnium Inorganic materials 0.000 claims description 9
- 229910052749 magnesium Inorganic materials 0.000 claims description 9
- 229910052750 molybdenum Inorganic materials 0.000 claims description 9
- 229910052758 niobium Inorganic materials 0.000 claims description 9
- 229910052757 nitrogen Inorganic materials 0.000 claims description 9
- 229910052698 phosphorus Inorganic materials 0.000 claims description 9
- 229910052717 sulfur Inorganic materials 0.000 claims description 9
- 229910052718 tin Inorganic materials 0.000 claims description 9
- 229910052720 vanadium Inorganic materials 0.000 claims description 4
- 229910052726 zirconium Inorganic materials 0.000 claims description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 31
- 239000010703 silicon Substances 0.000 description 31
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 30
- 239000011572 manganese Substances 0.000 description 30
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 21
- 230000000694 effects Effects 0.000 description 19
- 229910052761 rare earth metal Inorganic materials 0.000 description 15
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 14
- 229910052799 carbon Inorganic materials 0.000 description 14
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 13
- 239000010949 copper Substances 0.000 description 13
- 239000011777 magnesium Substances 0.000 description 13
- 239000010955 niobium Substances 0.000 description 13
- 239000000203 mixture Substances 0.000 description 12
- 239000010936 titanium Substances 0.000 description 12
- 239000011575 calcium Substances 0.000 description 11
- 239000011651 chromium Substances 0.000 description 11
- 229910052727 yttrium Inorganic materials 0.000 description 11
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 description 11
- 229910045601 alloy Inorganic materials 0.000 description 9
- 239000000956 alloy Substances 0.000 description 9
- 238000005554 pickling Methods 0.000 description 8
- 230000009466 transformation Effects 0.000 description 8
- 230000015572 biosynthetic process Effects 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 6
- 229910052802 copper Inorganic materials 0.000 description 6
- 238000007747 plating Methods 0.000 description 6
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 5
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 5
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 5
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 5
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 5
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 5
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 5
- 229910052787 antimony Inorganic materials 0.000 description 5
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 5
- 229910052796 boron Inorganic materials 0.000 description 5
- 229910052791 calcium Inorganic materials 0.000 description 5
- 229910052804 chromium Inorganic materials 0.000 description 5
- 239000010941 cobalt Substances 0.000 description 5
- 229910017052 cobalt Inorganic materials 0.000 description 5
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 5
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 description 5
- 239000011733 molybdenum Substances 0.000 description 5
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 5
- VSZWPYCFIRKVQL-UHFFFAOYSA-N selanylidenegallium;selenium Chemical compound [Se].[Se]=[Ga].[Se]=[Ga] VSZWPYCFIRKVQL-UHFFFAOYSA-N 0.000 description 5
- 229910052719 titanium Inorganic materials 0.000 description 5
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 5
- 229910052721 tungsten Inorganic materials 0.000 description 5
- 239000010937 tungsten Substances 0.000 description 5
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 229910001562 pearlite Inorganic materials 0.000 description 3
- 239000011574 phosphorus Substances 0.000 description 3
- 239000011593 sulfur Substances 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 229910001567 cementite Inorganic materials 0.000 description 2
- 230000001186 cumulative effect Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- KSOKAHYVTMZFBJ-UHFFFAOYSA-N iron;methane Chemical compound C.[Fe].[Fe].[Fe] KSOKAHYVTMZFBJ-UHFFFAOYSA-N 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 238000005496 tempering Methods 0.000 description 2
- 239000013585 weight reducing agent Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 229910000794 TRIP steel Inorganic materials 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- 239000004480 active ingredient Substances 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 238000005269 aluminizing Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000009749 continuous casting Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000005246 galvanizing Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000016507 interphase Effects 0.000 description 1
- 229910052747 lanthanoid Inorganic materials 0.000 description 1
- 150000002602 lanthanoids Chemical class 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 230000006911 nucleation Effects 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229910001568 polygonal ferrite Inorganic materials 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 229910052706 scandium Inorganic materials 0.000 description 1
- SIXSYDAISGFNSX-UHFFFAOYSA-N scandium atom Chemical compound [Sc] SIXSYDAISGFNSX-UHFFFAOYSA-N 0.000 description 1
- 238000010583 slow cooling Methods 0.000 description 1
- 210000004872 soft tissue Anatomy 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000005482 strain hardening Methods 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
- 150000003568 thioethers Chemical class 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
Classifications
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- 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
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- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/22—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length
- B21B1/24—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a continuous or semi-continuous process
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B3/00—Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences ; Rolling of aluminium, copper, zinc or other non-ferrous metals
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- C—CHEMISTRY; METALLURGY
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- 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
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/008—Heat treatment of ferrous alloys containing Si
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- C—CHEMISTRY; METALLURGY
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- 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
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- C—CHEMISTRY; METALLURGY
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- 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
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- 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
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- 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
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- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
- C21D8/0273—Final recrystallisation annealing
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- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
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- 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
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- C22C38/10—Ferrous alloys, e.g. steel alloys containing cobalt
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- C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
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- C22C38/14—Ferrous alloys, e.g. steel alloys containing titanium or zirconium
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- C22C38/00—Ferrous alloys, e.g. steel alloys
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- C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
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- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
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- C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
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- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
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- C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
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- 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
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- 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
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- 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)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Heat Treatment Of Sheet Steel (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020190169610A KR102348529B1 (ko) | 2019-12-18 | 2019-12-18 | 가공성이 우수한 고강도 강판 및 그 제조방법 |
| KR10-2019-0169610 | 2019-12-18 | ||
| PCT/KR2020/016849 WO2021125604A1 (ko) | 2019-12-18 | 2020-11-25 | 가공성이 우수한 고강도 강판 및 그 제조방법 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114846165A true CN114846165A (zh) | 2022-08-02 |
Family
ID=76478411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202080088513.6A Pending CN114846165A (zh) | 2019-12-18 | 2020-11-25 | 加工性优异的高强度钢板及其制造方法 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20230030694A1 (ja) |
| EP (1) | EP4079894A4 (ja) |
| JP (1) | JP7442645B2 (ja) |
| KR (1) | KR102348529B1 (ja) |
| CN (1) | CN114846165A (ja) |
| WO (1) | WO2021125604A1 (ja) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20240095963A (ko) * | 2022-12-19 | 2024-06-26 | 주식회사 포스코 | 연신율 및 구멍 확장성이 우수한 초고강도 냉연강판 및 이의 제조방법 |
| KR20240106706A (ko) * | 2022-12-29 | 2024-07-08 | 현대제철 주식회사 | 초고장력 냉연강판 및 그 제조방법 |
Citations (7)
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| KR20120107003A (ko) * | 2010-01-29 | 2012-09-27 | 신닛뽄세이테쯔 카부시키카이샤 | 강판 및 강판 제조 방법 |
| JP5536831B2 (ja) * | 2011-06-13 | 2014-07-02 | 株式会社神戸製鋼所 | 加工性と低温脆性に優れた高強度鋼板、及びその製造方法 |
| KR20160060729A (ko) * | 2013-09-27 | 2016-05-30 | 가부시키가이샤 고베 세이코쇼 | 가공성 및 저온 인성이 우수한 고강도 강판, 및 그의 제조 방법 |
| JP2017053001A (ja) * | 2015-09-09 | 2017-03-16 | 新日鐵住金株式会社 | 溶融亜鉛めっき鋼板および合金化溶融亜鉛めっき鋼板、並びにそれらの製造方法 |
| US20170096723A1 (en) * | 2014-03-17 | 2017-04-06 | Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | High strength cold rolled steel sheet and high strength galvanized steel sheet having excellent ductility and bendability, and methods for producing same |
| KR20180125560A (ko) * | 2016-03-31 | 2018-11-23 | 가부시키가이샤 고베 세이코쇼 | 고강도 강판 및 그의 제조 방법 |
| KR20190107089A (ko) * | 2017-02-13 | 2019-09-18 | 제이에프이 스틸 가부시키가이샤 | 고강도 강판 및 그의 제조 방법 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4510488B2 (ja) | 2004-03-11 | 2010-07-21 | 新日本製鐵株式会社 | 成形性および穴拡げ性に優れた溶融亜鉛めっき複合高強度鋼板およびその製造方法 |
| JP4901617B2 (ja) | 2007-07-13 | 2012-03-21 | 新日本製鐵株式会社 | 引張強度が７００ＭＰａ以上で耐食性、穴拡げ性および延性に優れた合金化溶融亜鉛めっき高強度鋼板及びその製造方法 |
| UA112771C2 (uk) | 2011-05-10 | 2016-10-25 | Арселормітталь Інвестігасьон І Десароло Сл | Сталевий лист з високою механічною міцністю, пластичністю і формованістю, спосіб виготовлення та застосування таких листів |
| JP6554397B2 (ja) * | 2015-03-31 | 2019-07-31 | 株式会社神戸製鋼所 | 加工性および衝突特性に優れた引張強度が９８０ＭＰａ以上の高強度冷延鋼板、およびその製造方法 |
| JP6849536B2 (ja) | 2017-05-31 | 2021-03-24 | 株式会社神戸製鋼所 | 高強度鋼板およびその製造方法 |
| KR102276740B1 (ko) * | 2018-12-18 | 2021-07-13 | 주식회사 포스코 | 연성 및 가공성이 우수한 고강도 강판 및 그 제조방법 |
-
2019
- 2019-12-18 KR KR1020190169610A patent/KR102348529B1/ko active Active
-
2020
- 2020-11-25 EP EP20903261.4A patent/EP4079894A4/en active Pending
- 2020-11-25 CN CN202080088513.6A patent/CN114846165A/zh active Pending
- 2020-11-25 JP JP2022537003A patent/JP7442645B2/ja active Active
- 2020-11-25 WO PCT/KR2020/016849 patent/WO2021125604A1/ko unknown
- 2020-11-25 US US17/785,867 patent/US20230030694A1/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20120107003A (ko) * | 2010-01-29 | 2012-09-27 | 신닛뽄세이테쯔 카부시키카이샤 | 강판 및 강판 제조 방법 |
| JP5536831B2 (ja) * | 2011-06-13 | 2014-07-02 | 株式会社神戸製鋼所 | 加工性と低温脆性に優れた高強度鋼板、及びその製造方法 |
| KR20160060729A (ko) * | 2013-09-27 | 2016-05-30 | 가부시키가이샤 고베 세이코쇼 | 가공성 및 저온 인성이 우수한 고강도 강판, 및 그의 제조 방법 |
| US20170096723A1 (en) * | 2014-03-17 | 2017-04-06 | Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | High strength cold rolled steel sheet and high strength galvanized steel sheet having excellent ductility and bendability, and methods for producing same |
| JP2017053001A (ja) * | 2015-09-09 | 2017-03-16 | 新日鐵住金株式会社 | 溶融亜鉛めっき鋼板および合金化溶融亜鉛めっき鋼板、並びにそれらの製造方法 |
| KR20180125560A (ko) * | 2016-03-31 | 2018-11-23 | 가부시키가이샤 고베 세이코쇼 | 고강도 강판 및 그의 제조 방법 |
| KR20190107089A (ko) * | 2017-02-13 | 2019-09-18 | 제이에프이 스틸 가부시키가이샤 | 고강도 강판 및 그의 제조 방법 |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20210078606A (ko) | 2021-06-29 |
| US20230030694A1 (en) | 2023-02-02 |
| WO2021125604A1 (ko) | 2021-06-24 |
| EP4079894A1 (en) | 2022-10-26 |
| KR102348529B1 (ko) | 2022-01-07 |
| JP2023507963A (ja) | 2023-02-28 |
| JP7442645B2 (ja) | 2024-03-04 |
| EP4079894A4 (en) | 2023-05-10 |
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