JP2018502213A - 冷間圧延高強度低合金鋼 - Google Patents
冷間圧延高強度低合金鋼 Download PDFInfo
- Publication number
- JP2018502213A JP2018502213A JP2017511320A JP2017511320A JP2018502213A JP 2018502213 A JP2018502213 A JP 2018502213A JP 2017511320 A JP2017511320 A JP 2017511320A JP 2017511320 A JP2017511320 A JP 2017511320A JP 2018502213 A JP2018502213 A JP 2018502213A
- Authority
- JP
- Japan
- Prior art keywords
- strip
- steel
- blank
- sheet
- mpa
- 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
- 229910000922 High-strength low-alloy steel Inorganic materials 0.000 title claims abstract description 26
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 38
- 239000010959 steel Substances 0.000 claims abstract description 38
- 239000000203 mixture Substances 0.000 claims abstract description 23
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 14
- 239000011701 zinc Substances 0.000 claims abstract description 14
- 229910001297 Zn alloy Inorganic materials 0.000 claims abstract description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000012535 impurity Substances 0.000 claims abstract description 5
- 229910052742 iron Inorganic materials 0.000 claims abstract description 3
- 238000000137 annealing Methods 0.000 claims description 26
- 238000000576 coating method Methods 0.000 claims description 20
- 238000005097 cold rolling Methods 0.000 claims description 19
- 239000011248 coating agent Substances 0.000 claims description 18
- 230000009467 reduction Effects 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 13
- 229910052782 aluminium Inorganic materials 0.000 claims description 9
- 238000005266 casting Methods 0.000 claims description 6
- 238000005098 hot rolling Methods 0.000 claims description 2
- 239000010936 titanium Substances 0.000 description 19
- 239000011572 manganese Substances 0.000 description 14
- 238000005096 rolling process Methods 0.000 description 13
- 229910052719 titanium Inorganic materials 0.000 description 13
- 239000002244 precipitate Substances 0.000 description 12
- 239000010955 niobium Substances 0.000 description 11
- 238000005728 strengthening Methods 0.000 description 10
- 238000001953 recrystallisation Methods 0.000 description 8
- 229910052720 vanadium Inorganic materials 0.000 description 8
- 239000011651 chromium Substances 0.000 description 7
- 229910052758 niobium Inorganic materials 0.000 description 7
- 229910052799 carbon Inorganic materials 0.000 description 6
- 239000010949 copper Substances 0.000 description 6
- 229910052748 manganese Inorganic materials 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 229910052750 molybdenum Inorganic materials 0.000 description 6
- 238000001556 precipitation Methods 0.000 description 6
- 239000000523 sample Substances 0.000 description 6
- 229910052804 chromium Inorganic materials 0.000 description 5
- 229910052710 silicon Inorganic materials 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000005482 strain hardening Methods 0.000 description 4
- 229910052718 tin Inorganic materials 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910001563 bainite Inorganic materials 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000011733 molybdenum Substances 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 238000005275 alloying Methods 0.000 description 2
- 229910052787 antimony Inorganic materials 0.000 description 2
- 229910052797 bismuth Inorganic materials 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000006392 deoxygenation reaction Methods 0.000 description 2
- 239000006101 laboratory sample Substances 0.000 description 2
- 229910052745 lead Inorganic materials 0.000 description 2
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 239000006104 solid solution Substances 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- INZDTEICWPZYJM-UHFFFAOYSA-N 1-(chloromethyl)-4-[4-(chloromethyl)phenyl]benzene Chemical compound C1=CC(CCl)=CC=C1C1=CC=C(CCl)C=C1 INZDTEICWPZYJM-UHFFFAOYSA-N 0.000 description 1
- 229910052684 Cerium Inorganic materials 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229940123973 Oxygen scavenger Drugs 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000005246 galvanizing Methods 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000002436 steel type Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000011135 tin Substances 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
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
- 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
- C22C38/18—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
- 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
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/005—Heat treatment of ferrous alloys containing Mn
-
- 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
- C21D8/0221—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
- 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
- C21D8/0278—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips involving a particular surface treatment
-
- 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
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
-
- 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
- C22C38/14—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
- C22C38/20—Ferrous alloys, e.g. steel alloys containing chromium with 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
- C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium 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
- C22C38/24—Ferrous alloys, e.g. steel alloys containing chromium with vanadium
-
- 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
- C22C38/26—Ferrous alloys, e.g. steel alloys containing chromium with niobium or tantalum
-
- 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
- C22C38/28—Ferrous alloys, e.g. steel alloys containing chromium with titanium or zirconium
-
- 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
-
- 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
- C23C2/34—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
- 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
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F17/00—Multi-step processes for surface treatment of metallic material involving at least one process provided for in class C23 and at least one process covered by subclass C21D or C22F or class C25
Landscapes
- 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)
- Chemical Kinetics & Catalysis (AREA)
- Heat Treatment Of Sheet Steel (AREA)
Abstract
Description
C:0.03〜0.07、
Mn:0.70〜1.60、
Si:0.01〜0.2、
Al:0.005〜0.1、
Cr:≦0.1、
Cu:≦0.2、
N:≦0.008、
P:≦0.03、
S:≦0.025、
O:≦0.01、
Ti:0.02〜0.07、
V:0.04〜0.15、
Mo:≦0.03、
Nb:≦0.03、
Ca:≦0.05、
残部の鉄及び不可避不純物を有し、亜鉛又は亜鉛合金を用いてコーティングされた高強度低合金鋼のストリップ、シート又はブランクに達し、鋼のストリップ、シート又はブランクが、少なくとも420MPaの降伏強度Rp0.2を有することである。
C:0.04〜0.06、及び/又は、
Mn:0.80〜1.40、及び、好ましくはMn:0.80〜1.30、及び/又は、
Si:0.01〜0.1、及び、好ましくはSi:0.01〜0.05、及び/又は、
Al:0.015〜0.055、及び/又は、
Cr:≦0.05、及び/又は、
Cu:≦0.05、及び/又は、
N:0.002〜0.008、及び/又は、
O:≦0.005、及び/又は、
Ti:0.02〜0.06、及び/又は、
V:0.05〜0.15、及び/又は、
Mo:≦0.01、及び、好ましくは0<Mo≦0.01、及び/又は、
Nb:≦0.02、及び、好ましくはNb:≦0.01、及び又は、
Ca:≦0.01、
制限した量が存在し得る。
本発明の第一態様における組成を有する溶鋼を製造する工程と、
鋳造機中での溶鋼を鋳造する工程と、
少なくとも880℃の終了温度で鋳造物を熱間圧延し、ストリップにする工程と、
500℃〜650℃のコイリング温度において熱間圧延したストリップをコイリングする工程と、
50〜75%の全体の圧下でストリップを冷間圧延する工程と、
750℃〜820℃の焼鈍温度においてストリップを連続焼鈍する工程と、
を含んでなる、高強度低合金鋼のストリップの製造方法を与える。コイリング温度に起因して、本発明の第二態様の方法でストリップの圧下率と焼鈍温度は、本発明の第一態様に従った少なくとも420MPaの降伏強度Rp0.2を有する組成によって、HSLAストリップを与えることを可能とする。
Claims (15)
- 以下の重量%の組成:
C:0.03〜0.07、
Mn:0.70〜1.60、
Si:0.01〜0.2、
Al:0.005〜0.1、
Cr:≦0.1、
Cu:≦0.2、
N:≦0.008、
P:≦0.03、
S:≦0.025、
O:≦0.01、
Ti:0.02〜0.07、
V:0.04〜0.15、
Mo:≦0.03、
Nb:≦0.03、
Ca:≦0.05、
残部の鉄、及び不可避不純物
を有し、亜鉛又は亜鉛合金を用いてコーティングされた高強度低合金鋼のストリップ、シート又はブランクであって、
前記鋼のストリップ、シート又はブランクが、少なくとも420MPaの降伏強度Rp0.2を有する、鋼のストリップ、シート又はブランク。 - C:0.04〜0.06、及び/又は、
Mn:0.80〜1.40、及び、好ましくはMn:0.80〜1.30、及び/又は、
Si:0.01〜0.1、及び、好ましくはSi:0.01〜0.05、及び/又は、
Al:0.015〜0.055、及び/又は、
Cr:≦0.05、及び/又は、
Cu:≦0.05、及び/又は、
N:0.002〜0.008、及び/又は、
O:≦0.005、及び/又は、
Ti:0.02〜0.06、及び/又は、
V:0.05〜0.15、及び/又は、
Mo:≦0.01、及び、好ましくは0<Mo≦0.01、及び/又は、
Nb:≦0.02、及び、好ましくはNb:≦0.01、及び又は、
Ca:≦0.01の、
請求項1に記載の鋼のストリップ、シート又はブランク。 - 前記鋼のストリップ、シート又はブランクが、縦方向で少なくとも420MPaの降伏強度Rp0.2、好ましくは最大で580MPaの降伏強度Rp0.2を有する、請求項1又は2に記載の鋼のストリップ、シート又はブランク。
- 前記鋼ストリップ、シート又はブランクが、縦方向で少なくとも15%の伸びA80mmを有する、請求項1〜3のいずれか一項に記載の鋼のストリップ、シート又はブランク。
- 前記鋼のストリップ、シート又はブランクが、縦方向で少なくとも480MPaの引張強度、好ましくは少なくとも520MPaの引張強度、より好ましくは最大で680MPaの引張強度を有する、請求項1又は3に記載の鋼のストリップ、シート又はブランク。
- 亜鉛又は亜鉛合金コーティングが、溶融亜鉛メッキコーティング又は合金化溶融亜鉛メッキコーティングである、請求項1〜4のいずれか一項に記載の鋼のストリップ、シート又はブランク。
- 前記亜鉛合金コーティングが、0.5〜4重量%のAl、及び0.5〜3.2重量%のMg、残部の亜鉛及び痕跡量のその他元素を含んでなり、好ましくは片面当たり5〜15μmの厚さ、より好ましくは片面当たり6〜13μmの厚さを有する、請求項1〜4のいずれか一項に記載の鋼のストリップ、シート又はブランク。
- 以下の工程:
請求項1の組成を有する溶鋼を製造する工程と、
鋳造機中での溶鋼を鋳造する工程と、
少なくとも880℃の終了温度で前記鋳造物を熱間圧延し、ストリップにする工程と、
500℃〜650℃のコイリング温度において前記熱間圧延したストリップをコイリングする工程と、
50〜75%の全体の圧下で前記ストリップを冷間圧延する工程と、
750℃〜820℃の焼鈍温度において前記ストリップを連続焼鈍する工程と、
を含んでなる、高強度低合金鋼のストリップの製造方法。 - 前記焼鈍したストリップを、亜鉛又は亜鉛合金コーティングを用いて溶融コーティングする、請求項8に記載の方法。
- 前記コーティングしたストリップを、テンパーミルで0.1〜3.0%の圧下、好ましくは0.2〜2.0%の圧下に冷間圧延する、請求項9に記載の方法。
- 前記ストリップを0.7〜2.0mmの寸法で、少なくとも1400mmの幅、好ましくは少なくとも1600mmの幅、より好ましくは少なくとも1800mmの幅において冷間圧延する、請求項8〜10のいずれか一項に記載の方法。
- 前記コイリング温度が、550℃〜600℃であり、及び/又は前記全体の冷間圧延圧下は60〜70%であり、及び/又は前記焼鈍温度は760〜800℃である、請求項8〜11のいずれか一項に記載の方法。
- 前記鋼が、請求項2に規定した組成を有する、請求項8〜12のいずれか一項に記載の方法。
- 前記製造した鋼のストリップが、少なくとも420MPaの降伏強度Rp0.2、好ましくは少なくとも460MPaの降伏強度Rp0.2、より好ましくは最大で580MPaの降伏強度Rp0.2を有する、請求項8〜13のいずれか一項に記載の方法。
- 前記製造した鋼のストリップが、少なくとも15%の伸びA80mmを有する、請求項8〜15のいずれか一項に記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP14182131.4 | 2014-08-25 | ||
EP14182131 | 2014-08-25 | ||
PCT/EP2015/001724 WO2016030010A1 (en) | 2014-08-25 | 2015-08-24 | Cold rolled high strength low alloy steel |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2018502213A true JP2018502213A (ja) | 2018-01-25 |
Family
ID=51390064
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017511320A Pending JP2018502213A (ja) | 2014-08-25 | 2015-08-24 | 冷間圧延高強度低合金鋼 |
Country Status (10)
Country | Link |
---|---|
US (1) | US20170275724A1 (ja) |
EP (1) | EP3186406B1 (ja) |
JP (1) | JP2018502213A (ja) |
KR (1) | KR20170047254A (ja) |
CN (1) | CN107075652A (ja) |
BR (1) | BR112017003147A2 (ja) |
CA (1) | CA2959096C (ja) |
MX (1) | MX2017002410A (ja) |
WO (1) | WO2016030010A1 (ja) |
ZA (1) | ZA201700943B (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106086647B (zh) * | 2016-07-13 | 2018-02-06 | 河北钢铁股份有限公司邯郸分公司 | 一种低合金高强钢q460c及其生产方法 |
EP4118250A1 (en) * | 2020-03-13 | 2023-01-18 | Tata Steel IJmuiden B.V. | Hot rolled steel strip having improved properties |
CN111575592B (zh) * | 2020-06-28 | 2021-10-29 | 马鞍山钢铁股份有限公司 | 一种屈服强度460MPa级的低合金高强钢及生产方法 |
KR20240090135A (ko) * | 2021-10-15 | 2024-06-21 | 타타 스틸 이즈무이덴 베.뷔. | 하이브리드 고강도 저합금 냉간압연 및 어닐링 강 스트립 및 그 제조방법 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007231352A (ja) * | 2006-02-28 | 2007-09-13 | Jfe Steel Kk | 析出強化型高強度薄鋼板およびその製造方法 |
JP2007270341A (ja) * | 2006-03-06 | 2007-10-18 | Jfe Steel Kk | 溶融亜鉛めっき鋼板の製造方法 |
JP2008189977A (ja) * | 2007-02-02 | 2008-08-21 | Sumitomo Metal Ind Ltd | めっき鋼板及びその製造方法 |
JP2008274360A (ja) * | 2007-04-27 | 2008-11-13 | Nippon Steel Corp | 降伏点伸びを制御した高強度鋼板とその製造方法 |
JP2009052139A (ja) * | 2007-07-31 | 2009-03-12 | Jfe Steel Kk | 高強度鋼板 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4398970A (en) * | 1981-10-05 | 1983-08-16 | Bethlehem Steel Corporation | Titanium and vanadium dual-phase steel and method of manufacture |
US6465114B1 (en) * | 1999-05-24 | 2002-10-15 | Nippon Steel Corporation | -Zn coated steel material, ZN coated steel sheet and painted steel sheet excellent in corrosion resistance, and method of producing the same |
JP3840864B2 (ja) * | 1999-11-02 | 2006-11-01 | Jfeスチール株式会社 | 高張力溶融亜鉛めっき鋼板およびその製造方法 |
JP4267367B2 (ja) * | 2002-06-19 | 2009-05-27 | 新日本製鐵株式会社 | 原油油槽用鋼およびその製造方法、原油油槽およびその防食方法 |
JP4730056B2 (ja) * | 2005-05-31 | 2011-07-20 | Jfeスチール株式会社 | 伸びフランジ成形性に優れた高強度冷延鋼板の製造方法 |
CN102242307B (zh) * | 2005-08-03 | 2013-03-27 | 住友金属工业株式会社 | 热轧钢板及冷轧钢板及它们的制造方法 |
JP4518029B2 (ja) * | 2006-02-13 | 2010-08-04 | 住友金属工業株式会社 | 高張力熱延鋼板とその製造方法 |
EP1857566B1 (de) * | 2006-05-15 | 2017-05-03 | ThyssenKrupp Steel Europe AG | Mit einem Korrosionsschutzüberzug versehenes Stahlflachprodukt und Verfahren zu seiner Herstellung |
US8163108B2 (en) * | 2008-03-27 | 2012-04-24 | Nippon Steel Corporation | High-strength cold-rolled steel sheet, high-strength galvanized steel sheet, and high-strength alloyed hot-dip galvanized steel sheet having excellent formability and weldability, and methods for manufacturing the same |
JP5438302B2 (ja) * | 2008-10-30 | 2014-03-12 | 株式会社神戸製鋼所 | 加工性に優れた高降伏比高強度の溶融亜鉛めっき鋼板または合金化溶融亜鉛めっき鋼板とその製造方法 |
JP4943558B2 (ja) * | 2009-08-31 | 2012-05-30 | 新日本製鐵株式会社 | 高強度溶融亜鉛めっき鋼板及びその製造方法 |
US9273370B2 (en) * | 2010-07-28 | 2016-03-01 | Nippon Steel & Sumitomo Metal Corporation | Hot-rolled steel sheet, cold-rolled steel sheet, galvanized steel sheet, and methods of manufacturing the same |
US9139885B2 (en) * | 2010-09-16 | 2015-09-22 | Nippon Steel & Sumitomo Metal Corporation | High-strength steel sheet and high-strength zinc-coated steel sheet which have excellent ductility and stretch-flangeability and manufacturing method thereof |
EP2738278B1 (en) * | 2011-07-29 | 2019-11-13 | Nippon Steel Corporation | High-strength steel sheet and high-strength galvanized steel sheet excellent in shape fixability, and manufacturing method thereof |
JP5838796B2 (ja) * | 2011-12-27 | 2016-01-06 | Jfeスチール株式会社 | 伸びフランジ性に優れた高強度熱延鋼板およびその製造方法 |
-
2015
- 2015-08-24 KR KR1020177005778A patent/KR20170047254A/ko unknown
- 2015-08-24 EP EP15757135.7A patent/EP3186406B1/en active Active
- 2015-08-24 CA CA2959096A patent/CA2959096C/en not_active Expired - Fee Related
- 2015-08-24 US US15/504,941 patent/US20170275724A1/en not_active Abandoned
- 2015-08-24 MX MX2017002410A patent/MX2017002410A/es unknown
- 2015-08-24 JP JP2017511320A patent/JP2018502213A/ja active Pending
- 2015-08-24 CN CN201580045534.9A patent/CN107075652A/zh active Pending
- 2015-08-24 WO PCT/EP2015/001724 patent/WO2016030010A1/en active Application Filing
- 2015-08-24 BR BR112017003147A patent/BR112017003147A2/pt not_active IP Right Cessation
-
2017
- 2017-02-07 ZA ZA2017/00943A patent/ZA201700943B/en unknown
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007231352A (ja) * | 2006-02-28 | 2007-09-13 | Jfe Steel Kk | 析出強化型高強度薄鋼板およびその製造方法 |
JP2007270341A (ja) * | 2006-03-06 | 2007-10-18 | Jfe Steel Kk | 溶融亜鉛めっき鋼板の製造方法 |
JP2008189977A (ja) * | 2007-02-02 | 2008-08-21 | Sumitomo Metal Ind Ltd | めっき鋼板及びその製造方法 |
JP2008274360A (ja) * | 2007-04-27 | 2008-11-13 | Nippon Steel Corp | 降伏点伸びを制御した高強度鋼板とその製造方法 |
JP2009052139A (ja) * | 2007-07-31 | 2009-03-12 | Jfe Steel Kk | 高強度鋼板 |
Also Published As
Publication number | Publication date |
---|---|
ZA201700943B (en) | 2018-12-19 |
MX2017002410A (es) | 2017-05-23 |
CA2959096A1 (en) | 2016-03-03 |
BR112017003147A2 (pt) | 2017-11-28 |
CA2959096C (en) | 2019-06-25 |
EP3186406A1 (en) | 2017-07-05 |
WO2016030010A1 (en) | 2016-03-03 |
EP3186406B1 (en) | 2020-04-08 |
CN107075652A (zh) | 2017-08-18 |
KR20170047254A (ko) | 2017-05-04 |
US20170275724A1 (en) | 2017-09-28 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6354921B1 (ja) | 鋼板およびその製造方法 | |
CN112752862B (zh) | 具有高扩孔性的高强度冷轧钢板、高强度热浸镀锌钢板及它们的制造方法 | |
TW201335386A (zh) | 熱浸鍍鋅鋼板及其製造方法 | |
CN110959049A (zh) | 具有良好耐老化性的扁钢产品及其制造方法 | |
US20190218639A1 (en) | Twip steel sheet having an austenitic matrix | |
WO2016157258A1 (ja) | 高強度鋼板およびその製造方法 | |
US11414721B2 (en) | Method for the manufacture of TWIP steel sheet having an austenitic matrix | |
CA2959096C (en) | Cold rolled high strength low alloy steel | |
WO2017164139A1 (ja) | 高強度溶融亜鉛めっき鋼板およびその製造方法 | |
WO2016157257A1 (ja) | 高強度鋼板およびその製造方法 | |
CN113195772A (zh) | 弯曲加工性优异的高强度冷轧钢板及其制造方法 | |
KR20210014054A (ko) | 고강도 강판 및 이의 제조방법 | |
JP2024028929A (ja) | 高強度鋼板及びこの製造方法 | |
EP3231886B1 (en) | Complex-phase steel sheet with excellent formability and manufacturing method therefor | |
JP2011256406A (ja) | 高張力溶融亜鉛めっき鋼板の製造方法 | |
KR20210014055A (ko) | 고강도 강판 및 이의 제조방법 | |
JP2018003114A (ja) | 高強度鋼板およびその製造方法 | |
RU2548536C1 (ru) | Способ производства толстолистового проката классов прочности к52-к60, х52-х70, l360-l485 для изготовления электросварных труб магистральных трубопроводов | |
US20220349019A1 (en) | High-strength steel sheet and manufacturing method thereof | |
JP2018003115A (ja) | 高強度鋼板およびその製造方法 | |
JP6453140B2 (ja) | 切断端面の耐遅れ破壊性に優れた高強度鋼板およびその製造方法 | |
EP4394076A1 (en) | Cold rolled steel sheet having excellent weldability, strength, and formability, and method for manufacturing same | |
JP6658708B2 (ja) | 低降伏比を有する鋼板の製造方法 | |
JP5988000B1 (ja) | 高強度鋼板およびその製造方法 | |
JP5987999B1 (ja) | 高強度鋼板およびその製造方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A529 | Written submission of copy of amendment under article 34 pct |
Free format text: JAPANESE INTERMEDIATE CODE: A529 Effective date: 20170421 |
|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20180823 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20190724 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20190827 |
|
A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20200324 |