EP1579020A1 - Composition d'acier pour la production de produits en acier a phases multiples lamine a froid - Google Patents
Composition d'acier pour la production de produits en acier a phases multiples lamine a froidInfo
- Publication number
- EP1579020A1 EP1579020A1 EP03775002A EP03775002A EP1579020A1 EP 1579020 A1 EP1579020 A1 EP 1579020A1 EP 03775002 A EP03775002 A EP 03775002A EP 03775002 A EP03775002 A EP 03775002A EP 1579020 A1 EP1579020 A1 EP 1579020A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- steel
- substrate
- maximum
- temperature
- product
- 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.)
- Withdrawn
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 88
- 239000010959 steel Substances 0.000 title claims abstract description 88
- 239000000203 mixture Substances 0.000 title claims abstract description 58
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 19
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 60
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 51
- 238000000034 method Methods 0.000 claims abstract description 39
- 230000008569 process Effects 0.000 claims abstract description 37
- 229910000794 TRIP steel Inorganic materials 0.000 claims abstract description 20
- 238000005097 cold rolling Methods 0.000 claims abstract description 18
- 239000000758 substrate Substances 0.000 claims description 48
- 229910001566 austenite Inorganic materials 0.000 claims description 40
- 238000001816 cooling Methods 0.000 claims description 37
- 230000000717 retained effect Effects 0.000 claims description 26
- 229910052782 aluminium Inorganic materials 0.000 claims description 19
- 238000005246 galvanizing Methods 0.000 claims description 19
- 230000009467 reduction Effects 0.000 claims description 19
- 238000005096 rolling process Methods 0.000 claims description 19
- 238000012545 processing Methods 0.000 claims description 18
- 229910000734 martensite Inorganic materials 0.000 claims description 16
- 238000002791 soaking Methods 0.000 claims description 15
- 229910000859 α-Fe Inorganic materials 0.000 claims description 12
- 238000005098 hot rolling Methods 0.000 claims description 7
- 239000011701 zinc Substances 0.000 claims description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 229910001563 bainite Inorganic materials 0.000 claims description 6
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 5
- 239000012535 impurity Substances 0.000 claims description 5
- 238000005554 pickling Methods 0.000 claims description 5
- 238000005482 strain hardening Methods 0.000 claims description 5
- 229910052725 zinc Inorganic materials 0.000 claims description 5
- 239000004411 aluminium Substances 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 229910052698 phosphorus Inorganic materials 0.000 abstract description 13
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 abstract description 8
- 239000011574 phosphorus Substances 0.000 abstract description 4
- 239000000047 product Substances 0.000 description 42
- 239000011572 manganese Substances 0.000 description 18
- 238000000137 annealing Methods 0.000 description 17
- 229910052710 silicon Inorganic materials 0.000 description 17
- 229910018125 Al-Si Inorganic materials 0.000 description 14
- 229910018520 Al—Si Inorganic materials 0.000 description 14
- 238000007792 addition Methods 0.000 description 13
- 230000015572 biosynthetic process Effects 0.000 description 12
- 229910052748 manganese Inorganic materials 0.000 description 12
- 239000010955 niobium Substances 0.000 description 11
- 239000010936 titanium Substances 0.000 description 11
- 238000004458 analytical method Methods 0.000 description 10
- 238000001556 precipitation Methods 0.000 description 10
- 238000005266 casting Methods 0.000 description 9
- 241000219307 Atriplex rosea Species 0.000 description 7
- 230000001627 detrimental effect Effects 0.000 description 7
- 229910052719 titanium Inorganic materials 0.000 description 7
- 238000005275 alloying Methods 0.000 description 6
- 230000007797 corrosion Effects 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 5
- 230000007423 decrease Effects 0.000 description 5
- 230000005802 health problem Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 229910052758 niobium Inorganic materials 0.000 description 5
- 239000000843 powder Substances 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 229910000640 Fe alloy Inorganic materials 0.000 description 4
- 229910052804 chromium Inorganic materials 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000003303 reheating Methods 0.000 description 4
- 150000003839 salts Chemical class 0.000 description 4
- 239000003381 stabilizer Substances 0.000 description 4
- 238000005728 strengthening Methods 0.000 description 4
- 229910052720 vanadium Inorganic materials 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 3
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 3
- 229910006639 Si—Mn Inorganic materials 0.000 description 3
- 229910000797 Ultra-high-strength steel Inorganic materials 0.000 description 3
- 239000007795 chemical reaction product Substances 0.000 description 3
- 230000001419 dependent effect Effects 0.000 description 3
- 229910052759 nickel Inorganic materials 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- 239000006104 solid solution Substances 0.000 description 3
- 238000009864 tensile test Methods 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 229910052796 boron Inorganic materials 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 238000005121 nitriding Methods 0.000 description 2
- 229910001562 pearlite Inorganic materials 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 238000009877 rendering Methods 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 230000003019 stabilising effect Effects 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 229910000885 Dual-phase steel Inorganic materials 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 229910001567 cementite Inorganic materials 0.000 description 1
- 239000010960 cold rolled steel Substances 0.000 description 1
- 238000009749 continuous casting Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000005244 galvannealing Methods 0.000 description 1
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- KSOKAHYVTMZFBJ-UHFFFAOYSA-N iron;methane Chemical compound C.[Fe].[Fe].[Fe] KSOKAHYVTMZFBJ-UHFFFAOYSA-N 0.000 description 1
- PYLLWONICXJARP-UHFFFAOYSA-N manganese silicon Chemical compound [Si].[Mn] PYLLWONICXJARP-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 150000002829 nitrogen Chemical class 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 230000006911 nucleation Effects 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 102220068392 rs6921145 Human genes 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000007669 thermal treatment Methods 0.000 description 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 1
- 239000013585 weight reducing agent Substances 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
- 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
- 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
- C21D8/04—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing
-
- 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
- C22C38/02—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
- 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
- C23C2/34—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the shape of the material to be treated
- C23C2/36—Elongated material
- C23C2/40—Plates; Strips
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/002—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
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Heat Treatment Of Sheet Steel (AREA)
- Electroplating Methods And Accessories (AREA)
- Coating With Molten Metal (AREA)
Abstract
La présente invention concerne une composition d'acier destinée à être utilisée dans un procédé comprenant une opération de laminage à froid pour la production de produits en acier TRIP non revêtus, électrogalvanisés ou galvanisés à chaud, ladite composition étant caractérisée par une addition spécifique de phosphore. On ajoute ce dernier de façon à obtenir les propriétés mécaniques souhaitées (haute résistance à la traction en combinaison avec allongement élevé) tout en conservant une bonne soudabilité par réduction suffisante de la teneur en carbone. L'invention concerne en outre un procédé de production d'un produit en acier ainsi que le produit en acier ainsi obtenu, ledit produit comprenant la composition de l'invention.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP03775002A EP1579020A1 (fr) | 2002-12-20 | 2003-11-06 | Composition d'acier pour la production de produits en acier a phases multiples lamine a froid |
| EP10180139A EP2264207A1 (fr) | 2002-12-20 | 2003-11-06 | Composition d'acier pour la production de produits laminés à froid en acier à plusieurs phases |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP02447265A EP1431406A1 (fr) | 2002-12-20 | 2002-12-20 | Composition d'acier pour la production de produits laminés à froid en acier à plusieurs phases |
| EP02447265 | 2002-12-20 | ||
| EP03775002A EP1579020A1 (fr) | 2002-12-20 | 2003-11-06 | Composition d'acier pour la production de produits en acier a phases multiples lamine a froid |
| PCT/BE2003/000188 WO2004057048A1 (fr) | 2002-12-20 | 2003-11-06 | Composition d'acier pour la production de produits en acier a phases multiples lamine a froid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP1579020A1 true EP1579020A1 (fr) | 2005-09-28 |
Family
ID=32338263
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP02447265A Withdrawn EP1431406A1 (fr) | 2002-12-20 | 2002-12-20 | Composition d'acier pour la production de produits laminés à froid en acier à plusieurs phases |
| EP03775002A Withdrawn EP1579020A1 (fr) | 2002-12-20 | 2003-11-06 | Composition d'acier pour la production de produits en acier a phases multiples lamine a froid |
| EP10180139A Withdrawn EP2264207A1 (fr) | 2002-12-20 | 2003-11-06 | Composition d'acier pour la production de produits laminés à froid en acier à plusieurs phases |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP02447265A Withdrawn EP1431406A1 (fr) | 2002-12-20 | 2002-12-20 | Composition d'acier pour la production de produits laminés à froid en acier à plusieurs phases |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP10180139A Withdrawn EP2264207A1 (fr) | 2002-12-20 | 2003-11-06 | Composition d'acier pour la production de produits laminés à froid en acier à plusieurs phases |
Country Status (11)
| Country | Link |
|---|---|
| US (2) | US20060140814A1 (fr) |
| EP (3) | EP1431406A1 (fr) |
| JP (2) | JP4856876B2 (fr) |
| KR (2) | KR20050094408A (fr) |
| CN (1) | CN100537813C (fr) |
| AU (1) | AU2003283135A1 (fr) |
| BR (1) | BR0316905A (fr) |
| CA (1) | CA2507378A1 (fr) |
| MX (1) | MXPA05006801A (fr) |
| RU (1) | RU2328545C2 (fr) |
| WO (1) | WO2004057048A1 (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115181896A (zh) * | 2021-04-02 | 2022-10-14 | 宝山钢铁股份有限公司 | 980MPa级低碳低合金热镀锌TRIP钢及快速热处理热镀锌制造方法 |
Families Citing this family (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1431406A1 (fr) * | 2002-12-20 | 2004-06-23 | Sidmar N.V. | Composition d'acier pour la production de produits laminés à froid en acier à plusieurs phases |
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2002
- 2002-12-20 EP EP02447265A patent/EP1431406A1/fr not_active Withdrawn
-
2003
- 2003-11-06 MX MXPA05006801A patent/MXPA05006801A/es active IP Right Grant
- 2003-11-06 EP EP03775002A patent/EP1579020A1/fr not_active Withdrawn
- 2003-11-06 KR KR1020057011585A patent/KR20050094408A/ko active IP Right Grant
- 2003-11-06 EP EP10180139A patent/EP2264207A1/fr not_active Withdrawn
- 2003-11-06 BR BR0316905-7A patent/BR0316905A/pt active Search and Examination
- 2003-11-06 US US10/539,758 patent/US20060140814A1/en not_active Abandoned
- 2003-11-06 CA CA002507378A patent/CA2507378A1/fr not_active Abandoned
- 2003-11-06 RU RU2005123361/02A patent/RU2328545C2/ru not_active IP Right Cessation
- 2003-11-06 JP JP2004560925A patent/JP4856876B2/ja not_active Expired - Fee Related
- 2003-11-06 KR KR1020117024664A patent/KR20110127283A/ko not_active Application Discontinuation
- 2003-11-06 AU AU2003283135A patent/AU2003283135A1/en not_active Abandoned
- 2003-11-06 WO PCT/BE2003/000188 patent/WO2004057048A1/fr active Application Filing
- 2003-11-06 CN CNB2003801069574A patent/CN100537813C/zh not_active Expired - Fee Related
-
2011
- 2011-06-03 JP JP2011125041A patent/JP2011231406A/ja active Pending
- 2011-09-23 US US13/243,295 patent/US20120018058A1/en not_active Abandoned
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115181896A (zh) * | 2021-04-02 | 2022-10-14 | 宝山钢铁股份有限公司 | 980MPa级低碳低合金热镀锌TRIP钢及快速热处理热镀锌制造方法 |
| CN115181896B (zh) * | 2021-04-02 | 2023-09-12 | 宝山钢铁股份有限公司 | 980MPa级低碳低合金热镀锌TRIP钢及快速热处理热镀锌制造方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1431406A1 (fr) | 2004-06-23 |
| CN1729307A (zh) | 2006-02-01 |
| JP4856876B2 (ja) | 2012-01-18 |
| RU2005123361A (ru) | 2006-01-20 |
| JP2006510802A (ja) | 2006-03-30 |
| WO2004057048A1 (fr) | 2004-07-08 |
| EP2264207A1 (fr) | 2010-12-22 |
| JP2011231406A (ja) | 2011-11-17 |
| AU2003283135A1 (en) | 2004-07-14 |
| BR0316905A (pt) | 2005-10-18 |
| CA2507378A1 (fr) | 2004-07-08 |
| KR20110127283A (ko) | 2011-11-24 |
| KR20050094408A (ko) | 2005-09-27 |
| MXPA05006801A (es) | 2006-02-17 |
| US20060140814A1 (en) | 2006-06-29 |
| US20120018058A1 (en) | 2012-01-26 |
| CN100537813C (zh) | 2009-09-09 |
| RU2328545C2 (ru) | 2008-07-10 |
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