EP3093362B1 - Acier inoxydable de type ferritique et son procédé de fabrication - Google Patents
Acier inoxydable de type ferritique et son procédé de fabrication Download PDFInfo
- Publication number
- EP3093362B1 EP3093362B1 EP15735579.3A EP15735579A EP3093362B1 EP 3093362 B1 EP3093362 B1 EP 3093362B1 EP 15735579 A EP15735579 A EP 15735579A EP 3093362 B1 EP3093362 B1 EP 3093362B1
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- EP
- European Patent Office
- Prior art keywords
- rolled
- sheet
- annealing
- hot
- phase
- Prior art date
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- 229910001220 stainless steel Inorganic materials 0.000 title claims description 28
- 238000004519 manufacturing process Methods 0.000 title claims description 7
- 238000000137 annealing Methods 0.000 claims description 131
- 229910000831 Steel Inorganic materials 0.000 claims description 38
- 239000010959 steel Substances 0.000 claims description 38
- 229910052719 titanium Inorganic materials 0.000 claims description 38
- 229910052758 niobium Inorganic materials 0.000 claims description 36
- 229910052720 vanadium Inorganic materials 0.000 claims description 32
- 229910052757 nitrogen Inorganic materials 0.000 claims description 26
- 229910052804 chromium Inorganic materials 0.000 claims description 21
- 238000005098 hot rolling Methods 0.000 claims description 21
- 239000000203 mixture Substances 0.000 claims description 17
- 238000005096 rolling process Methods 0.000 claims description 16
- 238000012360 testing method Methods 0.000 claims description 16
- 238000005097 cold rolling Methods 0.000 claims description 15
- 238000009864 tensile test Methods 0.000 claims description 14
- 229910052759 nickel Inorganic materials 0.000 claims description 8
- 229910052748 manganese Inorganic materials 0.000 claims description 7
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- 229910052750 molybdenum Inorganic materials 0.000 claims description 6
- 229910052710 silicon Inorganic materials 0.000 claims description 6
- 229910052796 boron Inorganic materials 0.000 claims description 5
- 229910052698 phosphorus Inorganic materials 0.000 claims description 5
- 229910052717 sulfur Inorganic materials 0.000 claims description 5
- 229910052791 calcium Inorganic materials 0.000 claims description 4
- 239000012535 impurity Substances 0.000 claims description 4
- 239000010936 titanium Substances 0.000 description 65
- 239000010955 niobium Substances 0.000 description 62
- 239000011651 chromium Substances 0.000 description 54
- 229910001566 austenite Inorganic materials 0.000 description 44
- 229910000734 martensite Inorganic materials 0.000 description 36
- 229910000859 α-Fe Inorganic materials 0.000 description 35
- 230000000694 effects Effects 0.000 description 34
- 229910052799 carbon Inorganic materials 0.000 description 25
- 230000007797 corrosion Effects 0.000 description 25
- 238000005260 corrosion Methods 0.000 description 25
- 230000007547 defect Effects 0.000 description 24
- 230000015572 biosynthetic process Effects 0.000 description 15
- 230000000052 comparative effect Effects 0.000 description 13
- 150000001247 metal acetylides Chemical class 0.000 description 13
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 11
- 238000001953 recrystallisation Methods 0.000 description 11
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 10
- 239000011572 manganese Substances 0.000 description 10
- 239000010949 copper Substances 0.000 description 9
- 239000002244 precipitate Substances 0.000 description 9
- 229910052761 rare earth metal Inorganic materials 0.000 description 9
- 150000002910 rare earth metals Chemical class 0.000 description 9
- 239000011575 calcium Substances 0.000 description 8
- 239000011777 magnesium Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 238000001556 precipitation Methods 0.000 description 8
- 150000003839 salts Chemical class 0.000 description 8
- 239000007921 spray Substances 0.000 description 8
- 239000013078 crystal Substances 0.000 description 7
- 238000005554 pickling Methods 0.000 description 7
- 230000001737 promoting effect Effects 0.000 description 7
- 239000000243 solution Substances 0.000 description 6
- 230000003247 decreasing effect Effects 0.000 description 5
- 238000004090 dissolution Methods 0.000 description 5
- 238000011156 evaluation Methods 0.000 description 5
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 5
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 238000010348 incorporation Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 239000012141 concentrate Substances 0.000 description 3
- 230000002950 deficient Effects 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000009749 continuous casting Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 229910001651 emery Inorganic materials 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 150000004767 nitrides Chemical class 0.000 description 2
- 230000002040 relaxant effect Effects 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- 238000009736 wetting Methods 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 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
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 239000007832 Na2SO4 Substances 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-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
- 239000004566 building material Substances 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910001845 yogo sapphire Inorganic materials 0.000 description 1
Classifications
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- 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
- 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
- C21D6/004—Heat treatment of ferrous alloys containing Cr and Ni
-
- 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
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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
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
- C21D8/0226—Hot rolling
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- 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
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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
- 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
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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
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
- C21D8/0273—Final recrystallisation annealing
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- 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
- C21D9/48—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals deep-drawing sheets
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- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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- C22C38/00—Ferrous alloys, e.g. steel alloys
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- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/001—Ferrous alloys, e.g. steel alloys containing N
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- 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
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- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/004—Very low carbon steels, i.e. having a carbon content of less than 0,01%
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- 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
- C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
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- 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
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- 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
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- 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
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- 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
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- 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
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- 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
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- 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
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- 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
- C22C38/30—Ferrous alloys, e.g. steel alloys containing chromium with cobalt
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- 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
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- 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
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
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- 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
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
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- 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
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
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- 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
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
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- 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
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
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- 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
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/52—Ferrous alloys, e.g. steel alloys containing chromium with nickel with cobalt
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- 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
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/54—Ferrous alloys, e.g. steel alloys containing chromium with nickel with boron
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/005—Ferrite
Claims (3)
- Acier inoxydable ferritique constitué, en termes de pourcentages en masse, de C : 0,015 % à 0,05 %, Si : 0,02 % à 0,50 %, Mn : 0,05 % à 1,0 %, P : 0,04 % ou moins, S : 0,01 % ou moins, Cr : 15,5 % à 18,0 %, Al : 0,001 % à 0,10 %, N : 0,01 % à 0,06 %, V : 0,01 % à 0,25 %, Ti : 0,001 % à 0,020 %, Nb : 0,001 % à 0,030 %, éventuellement au moins l'un choisi parmi Cu : 0,1 % à 1,0 %, Ni : 0,1 % à 1,0 %, Mo : 0,1 % à 0,5 %, et Co : 0,01 % à 0,5 %, éventuellement au moins l'un choisi parmi Mg : 0,0002 % à 0,0050 %, B : 0,0002 % à 0,0050 %, REM (éléments des terres rares) : 0,01 % à 0,10 %, et Ca : 0,0002 % à 0,0020 %, le reste étant du Fe et des impuretés inévitables, dans lequel l'inégalité V / (Ti + Nb) ≥2,0 est satisfaite, l'acier inoxydable ferritique ayant une formabilité suffisante, déterminée par une éprouvette prise dans une direction à 90° par rapport à la direction de laminage, qui présente un allongement après fracture de 25 % ou plus dans un test de traction effectué conformément à la norme JIS Z 2241, de façon que la valeur r moyenne, calculée à partir de la formule (1) ci-dessous, soit de 0,65 ou plus sous une déformation de 15 % dans un test de traction effectué conformément à la norme JIS Z 2241, et de façon que la valeur absolue (|Δr|) de la valeur r d'anisotropie dans le plan (appelée ci-après Δr), calculée à partir de la formule (2) ci-dessous, soit de 0,30 ou moins :
- Acier inoxydable ferritique constitué, en termes de pourcentages en masse, de C : 0,015 % à 0,05 %, Si : 0,02 % à 0,50 %, Mn : 0,2 % à 1,0 %, P : 0,04 % ou moins, S : 0,01 % ou moins, Cr : 16,0 % à 18,0 %, Al : 0,001 % à 0,10 %, N : 0,01 % à 0,06 %, V : 0,01 % à 0,25 %, Ti : 0,001 % à 0,015 %, Nb : 0,001 % à 0,025 %, éventuellement au moins l'un choisi parmi Cu : 0,1 % à 1,0 %, Ni : 0,1 % à 1,0 %, Mo : 0,1 % à 0,5 %, et Co : 0,01 % à 0,5 %, éventuellement au moins l'un choisi parmi Mg : 0,0002 % à 0,0050 %, B : 0,0002 % à 0,0050 %, REM: 0,01 % à 0,10 %, et Ca : 0,0002 % à 0,0020 %, le reste étant du Fe et des impuretés inévitables, dans lequel l'inégalité V / (Ti + Nb) ≥ 2,0 est satisfaite.
- Procédé pour produire un acier inoxydable ferritique, comprenant le laminage à chaud d'une brame d'acier ayant la composition décrite dans la revendication 1 ou 2, le recuit de la tôle laminée à chaud résultante par maintien de la tôle laminée à chaud dans la plage de température allant de 880°C à 1000°C pendant 5 secondes à 15 minutes pour que soit obtenue une tôle laminée à chaud et recuite, le laminage à froid de la tôle laminée à chaud et recuite, et le recuit de la tôle laminée à froid résultante par maintien de la tôle laminée à froid dans la plage de température allant de 800°C à 950°C pendant 5 secondes à 5 minutes.
Applications Claiming Priority (3)
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JP2014001362 | 2014-01-08 | ||
JP2014228501 | 2014-11-11 | ||
PCT/JP2015/000032 WO2015105045A1 (fr) | 2014-01-08 | 2015-01-07 | Acier inoxydable de type ferritique et son procédé de fabrication |
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Publication Number | Publication Date |
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EP3093362A1 EP3093362A1 (fr) | 2016-11-16 |
EP3093362A4 EP3093362A4 (fr) | 2017-04-26 |
EP3093362B1 true EP3093362B1 (fr) | 2018-11-28 |
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EP15735579.3A Active EP3093362B1 (fr) | 2014-01-08 | 2015-01-07 | Acier inoxydable de type ferritique et son procédé de fabrication |
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US (1) | US20160333439A1 (fr) |
EP (1) | EP3093362B1 (fr) |
JP (1) | JP5862846B2 (fr) |
KR (1) | KR101850231B1 (fr) |
CN (1) | CN105917016B (fr) |
ES (1) | ES2713154T3 (fr) |
TW (1) | TWI531666B (fr) |
WO (1) | WO2015105045A1 (fr) |
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CN106460113A (zh) * | 2014-05-14 | 2017-02-22 | 杰富意钢铁株式会社 | 铁素体系不锈钢 |
WO2016092713A1 (fr) * | 2014-12-11 | 2016-06-16 | Jfeスチール株式会社 | Acier inoxydable, et procédé de fabrication de celui-ci |
WO2016092714A1 (fr) * | 2014-12-11 | 2016-06-16 | Jfeスチール株式会社 | Acier inoxydable ferritique, et procédé de fabrication de celui-ci |
JP6602112B2 (ja) * | 2015-08-31 | 2019-11-06 | 日鉄ステンレス株式会社 | 耐二次加工脆性に優れた深絞り成形用高純度フェライト系ステンレス鋼板およびその製造方法 |
KR102590079B1 (ko) * | 2019-05-29 | 2023-10-17 | 제이에프이 스틸 가부시키가이샤 | 페라이트계 스테인리스 강판 및 그 제조 방법 |
CN114836684A (zh) * | 2022-04-01 | 2022-08-02 | 山西太钢不锈钢股份有限公司 | 低铬软磁不锈钢及其制备方法和应用 |
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JPH06158233A (ja) * | 1992-11-25 | 1994-06-07 | Nippon Steel Corp | 靱性の優れたフェライト系ステンレス鋼薄肉鋳片及びこの薄肉鋳片によるフェライト系ステンレス鋼帯の製造方法 |
JP3589036B2 (ja) * | 1997-08-05 | 2004-11-17 | Jfeスチール株式会社 | 深絞り性と耐リジング性に優れたフェライト系ステンレス鋼板およびその製造方法 |
JP2000265215A (ja) * | 1999-03-16 | 2000-09-26 | Kawasaki Steel Corp | 加工性の優れたフェライト系Cr含有鋼板の製造方法 |
KR100484037B1 (ko) | 1999-03-30 | 2005-04-18 | 제이에프이 스틸 가부시키가이샤 | 성형성이 우수한 페라이트계 스테인레스 강판 |
FR2792561B1 (fr) * | 1999-04-22 | 2001-06-22 | Usinor | Procede de coulee continue entre cylindres de bandes d'acier inoxydable ferritique exemptes de microcriques |
JP3913935B2 (ja) | 1999-06-21 | 2007-05-09 | 本田技研工業株式会社 | 亜共晶球状黒鉛鋳鉄 |
JP3581801B2 (ja) * | 1999-06-22 | 2004-10-27 | 新日本製鐵株式会社 | 加工性と表面性状に優れたフェライト系ステンレス鋼板およびその製造方法 |
JP2001089815A (ja) * | 1999-09-22 | 2001-04-03 | Kawasaki Steel Corp | 延性、加工性および耐リジング性に優れたフェライト系ステンレス鋼板の製造方法 |
US6786981B2 (en) * | 2000-12-22 | 2004-09-07 | Jfe Steel Corporation | Ferritic stainless steel sheet for fuel tank and fuel pipe |
KR100762151B1 (ko) * | 2001-10-31 | 2007-10-01 | 제이에프이 스틸 가부시키가이샤 | 딥드로잉성 및 내이차가공취성이 우수한 페라이트계스테인리스강판 및 그 제조방법 |
JP3680829B2 (ja) * | 2001-10-31 | 2005-08-10 | Jfeスチール株式会社 | 深絞り性、耐二次加工脆性および耐食性に優れるフェライト系ステンレス鋼板及びその製造方法 |
JP4519543B2 (ja) * | 2004-07-01 | 2010-08-04 | 新日鐵住金ステンレス株式会社 | 耐食性,冷間加工性および靱性に優れる磁性を有する安価ステンレス鋼線及びその製造方法 |
JP5262029B2 (ja) * | 2007-09-11 | 2013-08-14 | Jfeスチール株式会社 | 伸びフランジ加工性に優れたフェライト系ステンレス鋼板 |
CN102041452A (zh) * | 2009-10-23 | 2011-05-04 | 宝山钢铁股份有限公司 | 一种中铬铁素体不锈钢及其制造方法 |
JP5376099B1 (ja) * | 2012-03-13 | 2013-12-25 | Jfeスチール株式会社 | フェライト系ステンレス鋼 |
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WO2015105045A1 (fr) | 2015-07-16 |
TW201531573A (zh) | 2015-08-16 |
TWI531666B (zh) | 2016-05-01 |
CN105917016A (zh) | 2016-08-31 |
EP3093362A4 (fr) | 2017-04-26 |
US20160333439A1 (en) | 2016-11-17 |
KR101850231B1 (ko) | 2018-04-18 |
JPWO2015105045A1 (ja) | 2017-03-23 |
JP5862846B2 (ja) | 2016-02-16 |
ES2713154T3 (es) | 2019-05-20 |
CN105917016B (zh) | 2018-11-27 |
EP3093362A1 (fr) | 2016-11-16 |
KR20160105874A (ko) | 2016-09-07 |
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