EP4350017A1 - Blechkühlvorrichtung, durchlaufglühanlage, blechkühlverfahren, verfahren zur herstellung von kaltgewalztem stahlblech und verfahren zur herstellung von plattiertem stahlblech - Google Patents
Blechkühlvorrichtung, durchlaufglühanlage, blechkühlverfahren, verfahren zur herstellung von kaltgewalztem stahlblech und verfahren zur herstellung von plattiertem stahlblech Download PDFInfo
- Publication number
- EP4350017A1 EP4350017A1 EP22845679.4A EP22845679A EP4350017A1 EP 4350017 A1 EP4350017 A1 EP 4350017A1 EP 22845679 A EP22845679 A EP 22845679A EP 4350017 A1 EP4350017 A1 EP 4350017A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- metal sheet
- sheet
- restraining
- quenching
- roll pairs
- 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.)
- Pending
Links
- 239000002184 metal Substances 0.000 title claims abstract description 247
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 247
- 238000010791 quenching Methods 0.000 title claims abstract description 64
- 238000000034 method Methods 0.000 title claims abstract description 54
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 39
- 239000010959 steel Substances 0.000 title claims abstract description 39
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 22
- 239000010960 cold rolled steel Substances 0.000 title claims abstract description 20
- 238000000137 annealing Methods 0.000 title claims abstract description 17
- 230000000452 restraining effect Effects 0.000 claims abstract description 192
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 90
- 230000000171 quenching effect Effects 0.000 claims abstract description 62
- 238000002347 injection Methods 0.000 claims abstract description 45
- 239000007924 injection Substances 0.000 claims abstract description 45
- 239000007788 liquid Substances 0.000 claims abstract description 9
- 239000000498 cooling water Substances 0.000 claims abstract description 8
- 229910000734 martensite Inorganic materials 0.000 claims description 18
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 238000005246 galvanizing Methods 0.000 claims description 6
- 238000002791 soaking Methods 0.000 claims description 4
- 238000005244 galvannealing Methods 0.000 claims description 3
- 230000007547 defect Effects 0.000 abstract description 16
- 238000001816 cooling Methods 0.000 description 47
- 230000000694 effects Effects 0.000 description 13
- 238000009835 boiling Methods 0.000 description 11
- 230000000052 comparative effect Effects 0.000 description 11
- 230000007423 decrease Effects 0.000 description 11
- 238000005259 measurement Methods 0.000 description 10
- 230000009466 transformation Effects 0.000 description 10
- 239000002826 coolant Substances 0.000 description 8
- 230000006866 deterioration Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 5
- 230000007704 transition Effects 0.000 description 5
- 229910001335 Galvanized steel Inorganic materials 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 239000008397 galvanized steel Substances 0.000 description 4
- 230000006872 improvement Effects 0.000 description 4
- 239000000203 mixture Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000004918 carbon fiber reinforced polymer Substances 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 230000001687 destabilization Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 229910052748 manganese Inorganic materials 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 230000003746 surface roughness Effects 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Images
Classifications
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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
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
- C21D9/54—Furnaces for treating strips or wire
- C21D9/56—Continuous furnaces for strip or wire
- C21D9/573—Continuous furnaces for strip or wire with cooling
- C21D9/5735—Details
- C21D9/5737—Rolls; Drums; Roll arrangements
-
- 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
- C21D1/62—Quenching devices
- C21D1/63—Quenching devices for bath quenching
-
- 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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/56—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering characterised by the quenching agents
- C21D1/60—Aqueous agents
-
- 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
- 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
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
- C25D3/22—Electroplating: Baths therefor from solutions of zinc
-
- 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
- C22C38/08—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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/32—Ferrous alloys, e.g. steel alloys containing chromium 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
- C22C38/34—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of 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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/38—Ferrous alloys, e.g. steel alloys containing chromium 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
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2021118518 | 2021-07-19 | ||
PCT/JP2022/019933 WO2023002741A1 (ja) | 2021-07-19 | 2022-05-11 | 金属板の焼入装置、連続焼鈍設備、金属板の焼入方法、冷延鋼板の製造方法及びめっき鋼板の製造方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
EP4350017A1 true EP4350017A1 (de) | 2024-04-10 |
Family
ID=84979117
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP22845679.4A Pending EP4350017A1 (de) | 2021-07-19 | 2022-05-11 | Blechkühlvorrichtung, durchlaufglühanlage, blechkühlverfahren, verfahren zur herstellung von kaltgewalztem stahlblech und verfahren zur herstellung von plattiertem stahlblech |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP4350017A1 (de) |
JP (1) | JP7355251B2 (de) |
KR (1) | KR20240021272A (de) |
CN (1) | CN117693600A (de) |
WO (1) | WO2023002741A1 (de) |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5842254B2 (ja) * | 1979-06-29 | 1983-09-19 | 日本鋼管株式会社 | 連続焼鈍設備 |
JP2003277833A (ja) | 2002-03-22 | 2003-10-02 | Jfe Steel Kk | 金属板の製造方法および製造装置 |
JP2011184773A (ja) | 2010-03-10 | 2011-09-22 | Kobe Steel Ltd | 連続焼鈍設備およびその設備における急冷焼入時の金属板の波状変形抑制方法 |
WO2016084283A1 (ja) * | 2014-11-28 | 2016-06-02 | Jfeスチール株式会社 | 金属板の製造方法および急冷焼入れ装置 |
JP6308287B2 (ja) | 2015-12-28 | 2018-04-11 | Jfeスチール株式会社 | 急冷焼入れ装置及び急冷焼入れ方法 |
WO2017115742A1 (ja) * | 2015-12-28 | 2017-07-06 | Jfeスチール株式会社 | 急冷焼入れ装置及び急冷焼入れ方法 |
US20220364198A1 (en) * | 2019-10-31 | 2022-11-17 | Jfe Steel Corporation | Steel sheet, member, and methods for producing the same |
-
2022
- 2022-05-11 JP JP2022545353A patent/JP7355251B2/ja active Active
- 2022-05-11 EP EP22845679.4A patent/EP4350017A1/de active Pending
- 2022-05-11 KR KR1020247001234A patent/KR20240021272A/ko unknown
- 2022-05-11 WO PCT/JP2022/019933 patent/WO2023002741A1/ja active Application Filing
- 2022-05-11 CN CN202280049739.4A patent/CN117693600A/zh active Pending
Also Published As
Publication number | Publication date |
---|---|
KR20240021272A (ko) | 2024-02-16 |
JPWO2023002741A1 (de) | 2023-01-26 |
WO2023002741A1 (ja) | 2023-01-26 |
CN117693600A (zh) | 2024-03-12 |
JP7355251B2 (ja) | 2023-10-03 |
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