SI2924140T1 - Postopek za izdelavo jeklenega ploščatega izdelka visoke trdnosti - Google Patents
Postopek za izdelavo jeklenega ploščatega izdelka visoke trdnosti Download PDFInfo
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- SI2924140T1 SI2924140T1 SI201430572T SI201430572T SI2924140T1 SI 2924140 T1 SI2924140 T1 SI 2924140T1 SI 201430572 T SI201430572 T SI 201430572T SI 201430572 T SI201430572 T SI 201430572T SI 2924140 T1 SI2924140 T1 SI 2924140T1
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract 15
- 239000010959 steel Substances 0.000 title claims abstract 15
- 238000000034 method Methods 0.000 title claims 15
- 238000004519 manufacturing process Methods 0.000 title claims 3
- 238000005098 hot rolling Methods 0.000 claims abstract 9
- 238000005096 rolling process Methods 0.000 claims abstract 7
- 238000001816 cooling Methods 0.000 claims abstract 6
- 229910052804 chromium Inorganic materials 0.000 claims abstract 3
- 229910052748 manganese Inorganic materials 0.000 claims abstract 3
- 239000000161 steel melt Substances 0.000 claims abstract 3
- 238000005266 casting Methods 0.000 claims abstract 2
- 239000012535 impurity Substances 0.000 claims abstract 2
- 239000000155 melt Substances 0.000 claims abstract 2
- 238000002844 melting Methods 0.000 claims abstract 2
- 230000008018 melting Effects 0.000 claims abstract 2
- 229910052758 niobium Inorganic materials 0.000 claims abstract 2
- 238000004804 winding Methods 0.000 claims 8
- 238000010438 heat treatment Methods 0.000 claims 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 2
- 229910052799 carbon Inorganic materials 0.000 claims 2
- 229910052802 copper Inorganic materials 0.000 claims 2
- 229910052750 molybdenum Inorganic materials 0.000 claims 2
- 229910052759 nickel Inorganic materials 0.000 claims 2
- 229910052720 vanadium Inorganic materials 0.000 claims 2
- 241001596957 Brama Species 0.000 claims 1
- 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 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 1
- 244000007853 Sarothamnus scoparius Species 0.000 claims 1
- 229910001563 bainite Inorganic materials 0.000 claims 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Chemical compound BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 claims 1
- 229910052742 iron Inorganic materials 0.000 claims 1
- 230000014759 maintenance of location Effects 0.000 claims 1
- 238000003303 reheating Methods 0.000 abstract 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
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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
-
- 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
-
- 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
-
- 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
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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
- C22C38/002—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
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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
- C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
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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
- C22C38/14—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
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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
- C22C38/54—Ferrous alloys, e.g. steel alloys containing chromium with nickel 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
- C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of 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
- C22C38/60—Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur
-
- 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
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- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
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- Physics & Mathematics (AREA)
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- Crystallography & Structural Chemistry (AREA)
- Heat Treatment Of Sheet Steel (AREA)
- Heat Treatment Of Steel (AREA)
Claims (13)
- Postopek za izdelavo jeklenega ploščatega izdelka visoke trdnosti Patentni zahtevki1. Postopek za izdelavo jeklenega ploščatega izdelka z mejo plastičnosti vsaj 700 MPa in s strukturo, ki je vsaj 70 vol. % bainitna, obsegajoč naslednje delovne korake: a) taljenje jeklene taline, ki sestoji iz (v mas. %): C: 0,05 - 0,08 %, Si: 0,015-0,500 %, Mn: 1,60 - 2,00 %, P: do 0,025 %, S: do 0,010%, Al: 0,020 - 0,050 %, N: do 0,006 %, Cr: do 0,40 %, Nb: 0,060 - 0,070 %, B: 0,0005 - 0,0025 %, Ti: 0,090-0,130%, in tehnično neizbežnih nečistot, h katerim sodijo 0,12 % Cu, do 0,100 % Ni, do 0,010 % V, do 0,004 % Mo in do 0,004 % Sb in kot ostanek iz železa b) ulivanje taline v bramo; c) ponovno segrevanje brame na temperaturo pogrevanja 1200-1300 °C; d) predvaljanje brame pri temperaturi predvaljanja, ki znaša 950-1250 °C in z vsaj 50-odstotnim zmanjšanjem skupnega izpusta, doseženega s predvajanjem; e) zaključno vroče valjanje predvajane brame, pri čemer se zaključno vroče valjanje zaključi pri končni temperaturi vročega valjanja 800-880 °C; f) v največ 10 s po zaključnem vročem valjanju izvedba intenzivnega hlajenja končanega vroče valjanega jeklenega ploščatega izdelka s hitrostjo ohlajanja vsaj 40 K/s na navijalno temperaturo, ki znaša 550-620 °C; g) navijanje končanega vroče zvaljanega jeklenega ploščatega izdelka, pri čemer znaša raztezek do pretrga vroče zvaljanih jeklenih ploščatih izdelkov, dobljenih po navijanju, vsaj 12 %.
- 2. Postopek po zahtevku 1, označen s tem, da velja za ogljikov ekvivalent CE, izračunan po formulikjer %C = vsakokratna vsebnost C v mas. %, %Mn = vsakokratna vsebnost Mn v mas. %, %Cr = vsakokratna vsebnost Cr v mas. %, %Mo = vsakokratna vsebnost Mo v mas. %, %V = vsakokratna vsebnost V v mas. %, %Cu = vsakokratna vsebnost Cu v mas. %, %Ni = vsakokratna vsebnost Ni v mas. %, jeklene taline, staljene v delovnem koraku a), naslednje: CE š 0,5 mas. %.
- 3. Postopek po enem od predhodnih zahtevkov, označen s tem, da znaša temperatura pogrevanja 1250-1300 °C.
- 4. Postopek po enem od predhodnih zahtevkov, označen s tem, da se v delovnem koraku c‘), ki se izvede med pogrevanjem (delovni korak c)) in predvaljanjem (delovni korak d)), odstrani primarna škaja, sprijeta na vsakokratni obdelani brami.
- 5. Postopek po enem od predhodnih zahtevkov, označen s tem, da je transportni čas, ki preteče za transport brame od vsakokratne prejšnje delovne postaje (delovni korak c) ali izbirni delovni korak c‘)) do končnega vročega valjanja (delovni korak e)), omejen na največ 300 s.
- 6. Postopek po enem od predhodnih zahtevkov, označen s tem, da znaša čas zadrževanja, ki preteče med predvaljanjem (delovni korak d)) in končnim vročim valjanjem (delovni korak e)), največ 50 s.
- 7. Postopek po enem od predhodnih zahtevkov, označen s tem, da znaša temperatura ohlajanja pri ohlajanju v delovnem koraku f) največ 150 K/s.
- 8. Postopek po enem od predhodnih zahtevkov, označen s tem, da znaša debelina vroče valjanega jeklenega ploščatega izdelka, dobljenega po vročem valjanju, 3-15 mm.
- 9. Postopek po enem od predhodnih zahtevkov, označen s tem, da znaša meja plastičnosti vroče valjanih jeklenih ploščatih izdelkov, dobljenih po navijanju, 700-850 Mpa.
- 10. Postopek po enem od predhodnih zahtevkov, označen s tem, da znaša natezna trdnost vroče valjanih jeklenih ploščatih izdelkov, dobljenih po navijanju, 750-950 Mpa.
- 11. Postopek po enem od predhodnih zahtevkov, označen s tem, da znaša udarna žilavost vroče valjanih jeklenih ploščatih izdelkov, dobljenih po navijanju, pri -20 °C 50-110 J.
- 12. Postopek po enem od predhodnih zahtevkov, označen s tem, da imajo vroče valjani jekleni ploščati izdelki, dobljeni po navijanju, izključno bainitno strukturo, razen drugih sestavin strukture, ki so tehnično neizbežne.
- 13. Postopek po enem od predhodnih zahtevkov, označen s tem, da znaša povprečni premer zrn strukture vroče valjanih jeklenih ploščatih izdelkov, dobljenih po navijanju, največ 20 pm.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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EP14161606.0A EP2924140B1 (de) | 2014-03-25 | 2014-03-25 | Verfahren zur Erzeugung eines hochfesten Stahlflachprodukts |
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SI2924140T1 true SI2924140T1 (sl) | 2018-04-30 |
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Application Number | Title | Priority Date | Filing Date |
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SI201431325T SI3305935T1 (sl) | 2014-03-25 | 2014-03-25 | Ploščat jekleni proizvod visoke trdnosti in uporaba takega ploščatega jeklenega proizvoda visoke trdnosti |
SI201430572T SI2924140T1 (sl) | 2014-03-25 | 2014-03-25 | Postopek za izdelavo jeklenega ploščatega izdelka visoke trdnosti |
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SI201431325T SI3305935T1 (sl) | 2014-03-25 | 2014-03-25 | Ploščat jekleni proizvod visoke trdnosti in uporaba takega ploščatega jeklenega proizvoda visoke trdnosti |
Country Status (15)
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US (2) | US10280477B2 (sl) |
EP (2) | EP2924140B1 (sl) |
JP (1) | JP6603669B2 (sl) |
KR (1) | KR20160137588A (sl) |
CN (1) | CN106133154A (sl) |
BR (1) | BR112016022053B1 (sl) |
CA (1) | CA2941202C (sl) |
DK (2) | DK3305935T3 (sl) |
ES (2) | ES2745046T3 (sl) |
MX (1) | MX2016012491A (sl) |
PL (2) | PL2924140T3 (sl) |
RU (1) | RU2675183C2 (sl) |
SI (2) | SI3305935T1 (sl) |
UA (1) | UA117959C2 (sl) |
WO (1) | WO2015144529A1 (sl) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
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EP2905348B1 (de) * | 2014-02-07 | 2019-09-04 | ThyssenKrupp Steel Europe AG | Hochfestes Stahlflachprodukt mit bainitisch-martensitischem Gefüge und Verfahren zur Herstellung eines solchen Stahlflachprodukts |
DK3305935T3 (da) * | 2014-03-25 | 2019-09-02 | Thyssenkrupp Steel Europe Ag | Fladt stålprodukt med høj styrke og anvendelse af et fladt stålprodukt med høj styrke |
WO2018134186A1 (de) * | 2017-01-20 | 2018-07-26 | thyssenkrupp Hohenlimburg GmbH | Warmgewalztes stahlflachprodukt bestehend aus einem komplexphasenstahl mit überwiegend bainitischem gefüge und verfahren zur herstellung eines solchen stahlflachprodukts |
PT3360981T (pt) * | 2017-02-10 | 2020-10-08 | Outokumpu Oy | Aço para fabrico de um componente por moldação a quente e utilização do componente |
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 |
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JP2023510137A (ja) * | 2019-12-20 | 2023-03-13 | タタ、スティール、アイモイデン、ベスローテン、フェンノートシャップ | 高い穴広げ率を有する熱間圧延高強度鋼ストリップ |
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 |
CN111575589B (zh) * | 2020-06-17 | 2021-04-27 | 武汉钢铁有限公司 | 环卫车用超高强度钢及其生产方法 |
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 |
CN115216702A (zh) * | 2022-04-25 | 2022-10-21 | 安阳钢铁股份有限公司 | 一种冷冲压用高强油箱托架用钢及其制造方法 |
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CN115537675B (zh) * | 2022-09-15 | 2023-09-26 | 武汉钢铁有限公司 | 一种800MPa级免表面处理商用车用钢及其生产方法 |
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- 2015-03-18 RU RU2016141474A patent/RU2675183C2/ru active
- 2015-03-18 CN CN201580016149.1A patent/CN106133154A/zh active Pending
- 2015-03-18 UA UAA201610736A patent/UA117959C2/uk unknown
- 2015-03-18 US US15/127,529 patent/US10280477B2/en active Active
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Also Published As
Publication number | Publication date |
---|---|
DK3305935T3 (da) | 2019-09-02 |
EP3305935B9 (de) | 2019-12-04 |
CA2941202C (en) | 2018-09-18 |
US10934602B2 (en) | 2021-03-02 |
JP6603669B2 (ja) | 2019-11-06 |
EP2924140B1 (de) | 2017-11-15 |
RU2675183C2 (ru) | 2018-12-17 |
CN106133154A (zh) | 2016-11-16 |
UA117959C2 (uk) | 2018-10-25 |
ES2659544T3 (es) | 2018-03-16 |
EP3305935B1 (de) | 2019-05-29 |
US20190203318A1 (en) | 2019-07-04 |
WO2015144529A1 (de) | 2015-10-01 |
RU2016141474A (ru) | 2018-04-27 |
EP2924140A1 (de) | 2015-09-30 |
ES2745046T3 (es) | 2020-02-27 |
JP2017512905A (ja) | 2017-05-25 |
US10280477B2 (en) | 2019-05-07 |
US20170137911A1 (en) | 2017-05-18 |
DK2924140T3 (en) | 2018-02-19 |
PL3305935T3 (pl) | 2019-11-29 |
RU2016141474A3 (sl) | 2018-11-06 |
PL2924140T3 (pl) | 2018-04-30 |
CA2941202A1 (en) | 2015-10-01 |
EP3305935A1 (de) | 2018-04-11 |
SI3305935T1 (sl) | 2019-11-29 |
BR112016022053B1 (pt) | 2021-04-27 |
KR20160137588A (ko) | 2016-11-30 |
MX2016012491A (es) | 2017-01-06 |
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