DK2924140T3 - Fremgangsmåde til fremstilling af et fladt højstyrkestålprodukt - Google Patents
Fremgangsmåde til fremstilling af et fladt højstyrkestålprodukt Download PDFInfo
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- DK2924140T3 DK2924140T3 DK14161606.0T DK14161606T DK2924140T3 DK 2924140 T3 DK2924140 T3 DK 2924140T3 DK 14161606 T DK14161606 T DK 14161606T DK 2924140 T3 DK2924140 T3 DK 2924140T3
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 84
- 239000010959 steel Substances 0.000 title claims abstract description 84
- 238000000034 method Methods 0.000 title claims description 37
- 238000005096 rolling process Methods 0.000 claims abstract description 52
- 238000005098 hot rolling Methods 0.000 claims abstract description 34
- 238000001816 cooling Methods 0.000 claims abstract description 26
- 238000003303 reheating Methods 0.000 claims abstract description 18
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 11
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 9
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 8
- 229910052758 niobium Inorganic materials 0.000 claims abstract description 8
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 8
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 8
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 7
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 7
- 239000012535 impurity Substances 0.000 claims abstract description 6
- 239000000155 melt Substances 0.000 claims abstract description 6
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 6
- 229910052796 boron Inorganic materials 0.000 claims abstract description 5
- 238000005266 casting Methods 0.000 claims abstract description 4
- 239000000161 steel melt Substances 0.000 claims abstract description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 19
- 229910052750 molybdenum Inorganic materials 0.000 claims description 8
- 229910052802 copper Inorganic materials 0.000 claims description 7
- 229910052759 nickel Inorganic materials 0.000 claims description 7
- 229910052720 vanadium Inorganic materials 0.000 claims description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 229910052787 antimony Inorganic materials 0.000 claims description 3
- FGUUSXIOTUKUDN-IBGZPJMESA-N C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 Chemical compound C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 FGUUSXIOTUKUDN-IBGZPJMESA-N 0.000 claims description 2
- 238000004804 winding Methods 0.000 claims 7
- 238000002844 melting Methods 0.000 abstract 1
- 230000008018 melting Effects 0.000 abstract 1
- 239000000047 product Substances 0.000 description 39
- 239000010955 niobium Substances 0.000 description 14
- 239000010936 titanium Substances 0.000 description 13
- 239000011572 manganese Substances 0.000 description 12
- 229910001566 austenite Inorganic materials 0.000 description 10
- 230000015572 biosynthetic process Effects 0.000 description 10
- 239000011651 chromium Substances 0.000 description 8
- 238000010276 construction Methods 0.000 description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 7
- 229910045601 alloy Inorganic materials 0.000 description 7
- 239000000956 alloy Substances 0.000 description 7
- 229910001563 bainite Inorganic materials 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 239000000470 constituent Substances 0.000 description 5
- 239000002244 precipitate Substances 0.000 description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 239000010703 silicon Substances 0.000 description 4
- 229910000851 Alloy steel Inorganic materials 0.000 description 3
- 241000219307 Atriplex rosea Species 0.000 description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 3
- 230000002411 adverse Effects 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 3
- 238000004090 dissolution Methods 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 238000004881 precipitation hardening Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000011593 sulfur Substances 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 229910000859 α-Fe Inorganic materials 0.000 description 3
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 2
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 2
- 229910017604 nitric acid Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 239000002243 precursor Substances 0.000 description 2
- 238000001953 recrystallisation Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- GNFTZDOKVXKIBK-UHFFFAOYSA-N 3-(2-methoxyethoxy)benzohydrazide Chemical compound COCCOC1=CC=CC(C(=O)NN)=C1 GNFTZDOKVXKIBK-UHFFFAOYSA-N 0.000 description 1
- 229910004709 CaSi Inorganic materials 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 230000001476 alcoholic effect Effects 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
- 238000005452 bending Methods 0.000 description 1
- 229910001567 cementite Inorganic materials 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- KSOKAHYVTMZFBJ-UHFFFAOYSA-N iron;methane Chemical compound C.[Fe].[Fe].[Fe] KSOKAHYVTMZFBJ-UHFFFAOYSA-N 0.000 description 1
- 229910000734 martensite Inorganic materials 0.000 description 1
- 238000005088 metallography Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- HRZFUMHJMZEROT-UHFFFAOYSA-L sodium disulfite Chemical compound [Na+].[Na+].[O-]S(=O)S([O-])(=O)=O HRZFUMHJMZEROT-UHFFFAOYSA-L 0.000 description 1
- 235000010262 sodium metabisulphite Nutrition 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000005211 surface analysis Methods 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
-
- 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
-
- 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
- C21D8/0247—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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- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
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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
- C22C38/001—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
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
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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
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
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- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
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- C22C—ALLOYS
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- C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
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- C22C—ALLOYS
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- C22C38/14—Ferrous alloys, e.g. steel alloys containing titanium or zirconium
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- 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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- 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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- 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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- 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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- 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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- 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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- 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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- 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
- C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
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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
- C22C38/60—Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur
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- 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
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Claims (13)
1. Fremgangsmåde til fremstilling af et fladt stålprodukt med en flydespænding på mindst 700 MPa og med mindst 70 vol-% bainitisk struktur, og omfattende følgende arbejdstrin: a) smeltning af en stålsmelte, der består (i vægt-%) af C: 0,005-0,08 % Si: 0,015-0,500 % Mn: 1,60-2,00 % P: op til0,010 % S: op til 0,010% Al: 0,020-0,050 % N: op til 0,006 % Cr: op til 0,40 % Nb: 0,060-0,070 % B: 0,0005-0,0025 % Ti: 0,090-0,130% samt af teknisk uundgåelige urenheder, omfattende op til 0,12 % Cu, op til 0,100 % Ni, op til 0,010 % V, op til 0,004 % Mo og op til 0,004 % Sb, og resten jem; b) støbning af smelten, så der fremkommer en slab; c) genopvarmning af slabben til en genopvarmningstemperatur på 1200-1300 °C; d) for-valsning af slabben ved en for-valsningstemperatur på 950-1250 °C og med en samlet gennemgangsreduktion, der opnås ved hjælp af for-valsningen, på mindst 50 %; e) afsluttende varmvalsning af den for-valsede slab, hvilken afsluttende varmvalsning afsluttes ved en varmvalsnings-sluttemperatur i intervallet 800-880 °C; f) inden for højst 10 sek. efter afsluttende varmvalsning påbegyndelse af intensiv køling af det færdigt varmvalsede fladstålprodukt ved en afkølingshastighed på 40 K/sek. til en opviklingstemperatur på 550-620 °C; g) opvikling af det færdigt varmvalsede fladstålprodukt, hvorved brudforlængelsen for det efter opviklingen opnåede, varmvalsede fladstålprodukt andrager mindst 12 %.
2. Fremgangsmåde ifølge krav 1, kendetegnet ved, at kulstofækvivalentet CE for den i arbejdstrin a) smeltede stålsmelte, og som er beregnet ifølge formlen CE = %C + %Mn/6 + (%Cr + %Mo + V)/5 + (%Cu + %Ni)/15 hvor %C = respektivt C-indhold i vægt-%, %Mn = respektivt Mn-indhold i vægt-%, %Cr = respektivt Cr-indhold i vægt-%, %Mo = respektivt Mo-indhold i vægt-%, %V = respektivt V-indhold i vægt-%, %Cu = respektivt Cu-indhold i vægt-%, %Ni = respektivt Ni-indhold i vægt-%, gælder CE < 0,5 vægt-%
3. Fremgangsmåde ifølge et hvilket som helst af de foregående krav, kendetegnet ved, at genopvarmningstemperaturen er 1250-1300 °C.
4. Fremgangsmåde ifølge et hvilket som helst af de foregående krav, kendetegnet ved, at der i et arbejdstrin c’), som gennemløbes mellem genopvarmningen (arbejdstrin c)) og for-valsningen (arbejdstrin d)), sker fjernelse af ovnskaller, som hæfter til den respektive bearbejdede slab.
5. Fremgangsmåde ifølge et hvilket som helst af de foregående krav, kendetegnet ved, at transporttiden, der forløber ved transporten af slabben fra den respektive tidligere gennemløbne arbejdsstation (arbejdstrin c) eller eventuelt ar-bejdstrin c’)) og til den færdige varmvalsning (arbejdstrin e)), er begrænset til maksimalt 300 sek.
6. Fremgangsmåde ifølge et hvilket som helst af de foregående krav, kendetegnet ved, at opholdstiden, der går mellem for-valsningen (arbejdstrin d)) og den færdige valmvalsning (arbejdstrin e)), højst er 50 sek.
7. Fremgangsmåde ifølge et hvilket som helst af de foregående krav, kendetegnet ved, at afkølingshastigheden ved afkølingen i arbejdstrin f) er højst 150 K/sek.
8. Fremgangsmåde ifølge et hvilket som helst af de foregående krav, kendetegnet ved, at tykkelsen af det efter varmvalsningen opnåede, varmvalsede flad-stålprodukt er 3-15 mm.
9. Fremgangsmåde ifølge et hvilket som helst af de foregående krav, kendetegnet ved, at flydegrænsen for det efter opviklingen opnåede, varmvalsede flad-stålprodukt er 700-850 MPa.
10. Fremgangsmåde ifølge et hvilket som helst af de foregående krav, kendetegnet ved, at trækstyrken for de efter opviklingen opnåede, varmvalsede fladstålprodukter er 750-950 MPa.
11. Fremgangsmåde ifølge et hvilket som helst af de foregående krav, kendetegnet ved, at kærvslag-energien for de efter opviklingen opnåede, varmvalsede fladstålprodukter ved -20 °C ligger i intervallet 50-110 J.
12. Fremgangsmåde ifølge et hvilket som helst af de foregående krav, kendetegnet ved, at de efter opviklingen opnåede, varmvalsede fladstålprodukter udelukkende har bainitisk struktur, bortset fra forskellige øvrige strukturelle bestanddele, som teknisk er uundgåelige.
13. Fremgangsmåde ifølge et hvilket som helst af de foregående krav, kendetegnet ved, at den gennemsnitlige komdiameter i strukturen for de varmvalsede fladstålprodukter, der er opnået efter opviklingen, højst er 20 pm.
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EP14161606.0A EP2924140B1 (de) | 2014-03-25 | 2014-03-25 | Verfahren zur Erzeugung eines hochfesten Stahlflachprodukts |
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DK14161606.0T DK2924140T3 (da) | 2014-03-25 | 2014-03-25 | Fremgangsmåde til fremstilling af et fladt højstyrkestålprodukt |
DK17191293.4T DK3305935T3 (da) | 2014-03-25 | 2014-03-25 | Fladt stålprodukt med høj styrke og anvendelse af et fladt stålprodukt med høj styrke |
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US (2) | US10280477B2 (da) |
EP (2) | EP2924140B1 (da) |
JP (1) | JP6603669B2 (da) |
KR (1) | KR20160137588A (da) |
CN (1) | CN106133154A (da) |
BR (1) | BR112016022053B1 (da) |
CA (1) | CA2941202C (da) |
DK (2) | DK2924140T3 (da) |
ES (2) | ES2745046T3 (da) |
MX (1) | MX2016012491A (da) |
PL (2) | PL3305935T3 (da) |
RU (1) | RU2675183C2 (da) |
SI (2) | SI2924140T1 (da) |
UA (1) | UA117959C2 (da) |
WO (1) | WO2015144529A1 (da) |
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EP2924140B1 (de) * | 2014-03-25 | 2017-11-15 | ThyssenKrupp Steel Europe AG | Verfahren zur Erzeugung eines hochfesten Stahlflachprodukts |
ES2906276T3 (es) * | 2017-01-20 | 2022-04-18 | thyssenkrupp Hohenlimburg GmbH | Producto plano de acero laminado en caliente que está constituido por un acero de fase compleja con estructura predominantemente bainítica y procedimiento para la fabricación de un producto plano de acero de este tipo |
HUE051081T2 (hu) * | 2017-02-10 | 2021-03-01 | Outokumpu Oy | Melegalakítással gyártott acél alkatrész, gyártási eljárás és az alkatrész felhasználása |
KR101949027B1 (ko) * | 2017-07-07 | 2019-02-18 | 주식회사 포스코 | 초고강도 열연강판 및 그 제조 방법 |
WO2019060333A1 (en) * | 2017-09-21 | 2019-03-28 | The Nanosteel Company, Inc. | ENHANCED WELDABILITY OF ADVANCED HIGH-STRENGTH STEEL |
US10960487B2 (en) | 2017-09-21 | 2021-03-30 | United States Steel Corporation | Weldability improvements in advanced high strength steel |
CN110004854A (zh) * | 2019-01-21 | 2019-07-12 | 北京中交畅观科技发展有限公司 | 一种三(a)级防护等级公路护栏及其制造方法 |
EP3719147A1 (de) | 2019-04-01 | 2020-10-07 | ThyssenKrupp Steel Europe AG | Warmgewalztes stahlflachprodukt und verfahren zu seiner herstellung |
CN110846555B (zh) * | 2019-10-25 | 2021-01-08 | 鞍钢股份有限公司 | 一种大规格高强韧对称球扁钢及其生产方法 |
CN110863146B (zh) * | 2019-10-25 | 2021-01-08 | 鞍钢股份有限公司 | 一种高强度耐腐蚀球扁钢及其生产方法 |
US20230045924A1 (en) * | 2019-12-20 | 2023-02-16 | Tata Steel Ijmuiden B.V. | Hot rolled high strength steel strip having high hole expansion ratio |
CN111187977B (zh) * | 2020-01-07 | 2021-04-20 | 北京科技大学 | 一种690MPa级抗震耐蚀耐火中厚板钢及其制造方法 |
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KR102485117B1 (ko) * | 2020-08-25 | 2023-01-04 | 주식회사 포스코 | 표면부 nrl-dwt 물성이 우수한 구조용 극후물 강재 및 그 제조 방법 |
KR102485116B1 (ko) * | 2020-08-26 | 2023-01-04 | 주식회사 포스코 | 표면부 nrl-dwt 물성이 우수한 구조용 극후물 강재 및 그 제조 방법 |
CN113201694B (zh) * | 2021-04-09 | 2022-06-10 | 唐山钢铁集团有限责任公司 | 一种高耐蚀性冷轧低碳钢生产方法 |
CN114231838A (zh) * | 2021-11-17 | 2022-03-25 | 邯郸钢铁集团有限责任公司 | 低残余应力冷成型高强钢s700mc及其生产方法 |
CN114635079A (zh) * | 2022-01-29 | 2022-06-17 | 安阳钢铁股份有限公司 | 一种650MPa轻量化高强度轮辋用钢材及其生产方法 |
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- 2015-03-18 CA CA2941202A patent/CA2941202C/en active Active
- 2015-03-18 KR KR1020167029332A patent/KR20160137588A/ko not_active Application Discontinuation
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RU2016141474A3 (da) | 2018-11-06 |
DK3305935T3 (da) | 2019-09-02 |
CA2941202C (en) | 2018-09-18 |
RU2675183C2 (ru) | 2018-12-17 |
CN106133154A (zh) | 2016-11-16 |
SI3305935T1 (sl) | 2019-11-29 |
ES2745046T3 (es) | 2020-02-27 |
UA117959C2 (uk) | 2018-10-25 |
SI2924140T1 (en) | 2018-04-30 |
US20190203318A1 (en) | 2019-07-04 |
MX2016012491A (es) | 2017-01-06 |
US10934602B2 (en) | 2021-03-02 |
EP3305935A1 (de) | 2018-04-11 |
PL2924140T3 (pl) | 2018-04-30 |
US10280477B2 (en) | 2019-05-07 |
JP6603669B2 (ja) | 2019-11-06 |
CA2941202A1 (en) | 2015-10-01 |
ES2659544T3 (es) | 2018-03-16 |
EP2924140A1 (de) | 2015-09-30 |
PL3305935T3 (pl) | 2019-11-29 |
WO2015144529A1 (de) | 2015-10-01 |
EP3305935B9 (de) | 2019-12-04 |
BR112016022053B1 (pt) | 2021-04-27 |
US20170137911A1 (en) | 2017-05-18 |
KR20160137588A (ko) | 2016-11-30 |
RU2016141474A (ru) | 2018-04-27 |
EP3305935B1 (de) | 2019-05-29 |
EP2924140B1 (de) | 2017-11-15 |
JP2017512905A (ja) | 2017-05-25 |
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