KR102525728B1 - 고강도 부재, 고강도 부재의 제조 방법 및 고강도 부재용 강판의 제조 방법 - Google Patents
고강도 부재, 고강도 부재의 제조 방법 및 고강도 부재용 강판의 제조 방법 Download PDFInfo
- Publication number
- KR102525728B1 KR102525728B1 KR1020217012527A KR20217012527A KR102525728B1 KR 102525728 B1 KR102525728 B1 KR 102525728B1 KR 1020217012527 A KR1020217012527 A KR 1020217012527A KR 20217012527 A KR20217012527 A KR 20217012527A KR 102525728 B1 KR102525728 B1 KR 102525728B1
- Authority
- KR
- South Korea
- Prior art keywords
- less
- strength member
- steel sheet
- bending
- group
- 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.)
- Active
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 128
- 239000010959 steel Substances 0.000 title claims abstract description 128
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 32
- 238000005452 bending Methods 0.000 claims abstract description 94
- 238000000034 method Methods 0.000 claims abstract description 45
- 229910000734 martensite Inorganic materials 0.000 claims description 34
- 238000000137 annealing Methods 0.000 claims description 32
- 150000001247 metal acetylides Chemical class 0.000 claims description 32
- 238000010438 heat treatment Methods 0.000 claims description 29
- 229910001563 bainite Inorganic materials 0.000 claims description 24
- 239000000203 mixture Substances 0.000 claims description 22
- 238000001816 cooling Methods 0.000 claims description 21
- 238000005520 cutting process Methods 0.000 claims description 19
- 238000005097 cold rolling Methods 0.000 claims description 11
- 238000005098 hot rolling Methods 0.000 claims description 11
- 239000010960 cold rolled steel Substances 0.000 claims description 7
- 239000012535 impurity Substances 0.000 claims description 7
- 229910052750 molybdenum Inorganic materials 0.000 claims description 5
- 229910052720 vanadium Inorganic materials 0.000 claims description 5
- 229910052726 zirconium Inorganic materials 0.000 claims description 5
- 229910052684 Cerium Inorganic materials 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 229910052746 lanthanum Inorganic materials 0.000 claims description 4
- 241000776457 FCB group Species 0.000 claims 2
- 241000894007 species Species 0.000 claims 2
- 230000003111 delayed effect Effects 0.000 abstract description 57
- 230000008569 process Effects 0.000 description 19
- 229910001566 austenite Inorganic materials 0.000 description 12
- 239000002344 surface layer Substances 0.000 description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 11
- 229910000859 α-Fe Inorganic materials 0.000 description 11
- 238000005259 measurement Methods 0.000 description 9
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 9
- 238000005096 rolling process Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- 239000010410 layer Substances 0.000 description 8
- 229910052799 carbon Inorganic materials 0.000 description 7
- 238000005261 decarburization Methods 0.000 description 7
- 230000002542 deteriorative effect Effects 0.000 description 6
- 238000007747 plating Methods 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 230000006866 deterioration Effects 0.000 description 5
- 238000011156 evaluation Methods 0.000 description 5
- 229910052759 nickel Inorganic materials 0.000 description 5
- 239000002244 precipitate Substances 0.000 description 5
- 230000009466 transformation Effects 0.000 description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000005266 casting Methods 0.000 description 4
- 229910001567 cementite Inorganic materials 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 229910052739 hydrogen Inorganic materials 0.000 description 4
- 239000001257 hydrogen Substances 0.000 description 4
- 230000006872 improvement Effects 0.000 description 4
- KSOKAHYVTMZFBJ-UHFFFAOYSA-N iron;methane Chemical compound C.[Fe].[Fe].[Fe] KSOKAHYVTMZFBJ-UHFFFAOYSA-N 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 229910052758 niobium Inorganic materials 0.000 description 4
- 238000006396 nitration reaction Methods 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 3
- 238000005336 cracking Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000000227 grinding Methods 0.000 description 3
- 230000014759 maintenance of location Effects 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 230000000717 retained effect Effects 0.000 description 3
- 238000001878 scanning electron micrograph Methods 0.000 description 3
- 238000005480 shot peening Methods 0.000 description 3
- 239000006104 solid solution Substances 0.000 description 3
- 229910052717 sulfur Inorganic materials 0.000 description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 229910052748 manganese Inorganic materials 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 229910001562 pearlite Inorganic materials 0.000 description 2
- 238000005554 pickling Methods 0.000 description 2
- 238000005204 segregation Methods 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- 238000005496 tempering Methods 0.000 description 2
- 238000009864 tensile test Methods 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 238000009760 electrical discharge machining Methods 0.000 description 1
- 238000007772 electroless plating Methods 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000010191 image analysis Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000003698 laser cutting Methods 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
- 239000003973 paint Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 150000003568 thioethers Chemical class 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/001—Ferrous alloys, e.g. steel alloys containing N
-
- 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
- C21D8/0273—Final recrystallisation annealing
-
- 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
- C22C38/02—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
- C22C38/16—Ferrous alloys, e.g. steel alloys containing copper
-
- 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
- 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
- C21D2211/003—Cementite
-
- 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
Landscapes
- 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)
- Heat Treatment Of Sheet Steel (AREA)
- Heat Treatment Of Articles (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JPJP-P-2018-204875 | 2018-10-31 | ||
| JP2018204875 | 2018-10-31 | ||
| JP2019121143 | 2019-06-28 | ||
| JPJP-P-2019-121143 | 2019-06-28 | ||
| PCT/JP2019/037688 WO2020090302A1 (ja) | 2018-10-31 | 2019-09-25 | 高強度部材、高強度部材の製造方法及び高強度部材用鋼板の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20210065163A KR20210065163A (ko) | 2021-06-03 |
| KR102525728B1 true KR102525728B1 (ko) | 2023-04-26 |
Family
ID=70462244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020217012527A Active KR102525728B1 (ko) | 2018-10-31 | 2019-09-25 | 고강도 부재, 고강도 부재의 제조 방법 및 고강도 부재용 강판의 제조 방법 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US12180569B2 (enExample) |
| EP (1) | EP3875625B1 (enExample) |
| JP (3) | JP6773251B1 (enExample) |
| KR (1) | KR102525728B1 (enExample) |
| CN (1) | CN112955575B (enExample) |
| MX (1) | MX2021004941A (enExample) |
| WO (1) | WO2020090302A1 (enExample) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6958752B2 (ja) * | 2019-08-30 | 2021-11-02 | Jfeスチール株式会社 | 鋼板、部材及びそれらの製造方法 |
| WO2022138894A1 (ja) * | 2020-12-25 | 2022-06-30 | Jfeスチール株式会社 | 鋼板、部材およびそれらの製造方法 |
| US20240263288A1 (en) * | 2021-09-09 | 2024-08-08 | Nippon Steel Corporation | Cold rolled steel sheet and method for producing same |
| KR20250167007A (ko) * | 2023-03-27 | 2025-11-28 | 타타 스틸 리미티드 | 고강도 냉연 소둔 강 및 그 제조 방법 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015093043A1 (ja) | 2013-12-18 | 2015-06-25 | Jfeスチール株式会社 | 高強度溶融亜鉛めっき鋼板及びその製造方法 |
| WO2018030400A1 (ja) | 2016-08-08 | 2018-02-15 | 新日鐵住金株式会社 | 鋼板 |
| WO2018127984A1 (ja) | 2017-01-06 | 2018-07-12 | Jfeスチール株式会社 | 高強度冷延鋼板およびその製造方法 |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4556348B2 (ja) * | 2000-08-16 | 2010-10-06 | Jfeスチール株式会社 | 歪時効硬化特性に優れた超高強度熱延鋼板およびその製造方法 |
| JP3924159B2 (ja) | 2001-11-28 | 2007-06-06 | 新日本製鐵株式会社 | 成形加工後の耐遅れ破壊性に優れた高強度薄鋼板及びその製造方法並びに高強度薄鋼板により作成された自動車用強度部品 |
| JP5070865B2 (ja) | 2007-02-02 | 2012-11-14 | 住友金属工業株式会社 | 局部延性能に優れた熱延鋼板及びその製造方法 |
| JP5668337B2 (ja) | 2010-06-30 | 2015-02-12 | Jfeスチール株式会社 | 延性及び耐遅れ破壊特性に優れる超高強度冷延鋼板およびその製造方法 |
| JP5825185B2 (ja) | 2012-04-18 | 2015-12-02 | 新日鐵住金株式会社 | 冷延鋼板およびその製造方法 |
| JP5807624B2 (ja) | 2012-07-30 | 2015-11-10 | 新日鐵住金株式会社 | 冷延鋼板およびその製造方法 |
| JP5862651B2 (ja) | 2013-12-18 | 2016-02-16 | Jfeスチール株式会社 | 耐衝撃性および曲げ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 |
| EP3276022B1 (en) * | 2015-03-25 | 2019-09-04 | JFE Steel Corporation | Cold-rolled steel sheet and manufacturing method therefor |
| JP6424841B2 (ja) | 2016-01-13 | 2018-11-21 | Jfeスチール株式会社 | 成形部材の製造方法 |
| US20200165708A1 (en) | 2016-02-10 | 2020-05-28 | Jfe Steel Corporation | High-strength galvanized steel sheet and method of producing the same |
| JP2017155329A (ja) | 2016-02-29 | 2017-09-07 | 株式会社神戸製鋼所 | 焼入れ用鋼板及びその製造方法 |
| CN106048412B (zh) | 2016-06-29 | 2018-04-27 | 宝山钢铁股份有限公司 | 一种相变强化冷加工高强度钢、钢管及钢管的制造方法 |
| KR102226643B1 (ko) | 2016-09-28 | 2021-03-10 | 제이에프이 스틸 가부시키가이샤 | 강판 및 그 제조 방법 |
| WO2018062381A1 (ja) * | 2016-09-28 | 2018-04-05 | Jfeスチール株式会社 | 鋼板およびその製造方法 |
-
2019
- 2019-09-25 EP EP19880423.9A patent/EP3875625B1/en active Active
- 2019-09-25 KR KR1020217012527A patent/KR102525728B1/ko active Active
- 2019-09-25 JP JP2020500927A patent/JP6773251B1/ja active Active
- 2019-09-25 WO PCT/JP2019/037688 patent/WO2020090302A1/ja not_active Ceased
- 2019-09-25 US US17/289,951 patent/US12180569B2/en active Active
- 2019-09-25 CN CN201980071910.XA patent/CN112955575B/zh active Active
- 2019-09-25 MX MX2021004941A patent/MX2021004941A/es unknown
-
2020
- 2020-05-18 JP JP2020086412A patent/JP7163339B2/ja active Active
-
2021
- 2021-11-29 JP JP2021193087A patent/JP7701864B2/ja active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015093043A1 (ja) | 2013-12-18 | 2015-06-25 | Jfeスチール株式会社 | 高強度溶融亜鉛めっき鋼板及びその製造方法 |
| WO2018030400A1 (ja) | 2016-08-08 | 2018-02-15 | 新日鐵住金株式会社 | 鋼板 |
| WO2018127984A1 (ja) | 2017-01-06 | 2018-07-12 | Jfeスチール株式会社 | 高強度冷延鋼板およびその製造方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3875625A1 (en) | 2021-09-08 |
| KR20210065163A (ko) | 2021-06-03 |
| US12180569B2 (en) | 2024-12-31 |
| WO2020090302A1 (ja) | 2020-05-07 |
| CN112955575A (zh) | 2021-06-11 |
| JP7701864B2 (ja) | 2025-07-02 |
| EP3875625B1 (en) | 2024-05-22 |
| JP6773251B1 (ja) | 2020-10-21 |
| JP7163339B2 (ja) | 2022-10-31 |
| US20220010414A1 (en) | 2022-01-13 |
| CN112955575B (zh) | 2022-07-08 |
| EP3875625A4 (en) | 2021-09-29 |
| JPWO2020090302A1 (ja) | 2021-02-15 |
| JP2021004414A (ja) | 2021-01-14 |
| MX2021004941A (es) | 2021-06-08 |
| JP2022028885A (ja) | 2022-02-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP7736476B2 (ja) | 高強度部材、高強度部材の製造方法及び高強度部材用鋼板の製造方法 | |
| KR102590078B1 (ko) | 고강도 강판 및 그 제조 방법 | |
| KR102407357B1 (ko) | 고강도 냉연 강판 및 그의 제조 방법 | |
| KR102537350B1 (ko) | 고항복비 고강도 전기 아연계 도금 강판 및 그의 제조 방법 | |
| CN115715332B (zh) | 镀锌钢板、构件和它们的制造方法 | |
| KR102541248B1 (ko) | 고연성 고강도 전기 아연계 도금 강판 및 그의 제조 방법 | |
| EP2653582A1 (en) | Hot-dip zinc-plated steel sheet and process for production thereof | |
| JP7701864B2 (ja) | 高強度部材および高強度部材の製造方法 | |
| CN117413083A (zh) | 高强度钢板及其制造方法 | |
| KR102888792B1 (ko) | 핫 스탬프용 강판 및 그 제조 방법, 그리고, 핫 스탬프 부재 및 그 제조 방법 | |
| CN117413084A (zh) | 高强度钢板及其制造方法 | |
| KR20230125023A (ko) | 냉연 강판 및 그 제조 방법 | |
| JP7323094B1 (ja) | 高強度鋼板およびその製造方法 | |
| EP4640883A1 (en) | Cold-rolled steel sheet and manufacturing method therefor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PA0105 | International application |
Patent event date: 20210426 Patent event code: PA01051R01D Comment text: International Patent Application |
|
| PA0201 | Request for examination | ||
| PG1501 | Laying open of application | ||
| E902 | Notification of reason for refusal | ||
| PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 20221026 Patent event code: PE09021S01D |
|
| E701 | Decision to grant or registration of patent right | ||
| PE0701 | Decision of registration |
Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 20230131 |
|
| GRNT | Written decision to grant | ||
| PR0701 | Registration of establishment |
Comment text: Registration of Establishment Patent event date: 20230421 Patent event code: PR07011E01D |
|
| PR1002 | Payment of registration fee |
Payment date: 20230421 End annual number: 3 Start annual number: 1 |
|
| PG1601 | Publication of registration |