EP3847284C0 - Produit plat laminé à chaud en acier et procédé de fabrication - Google Patents

Produit plat laminé à chaud en acier et procédé de fabrication

Info

Publication number
EP3847284C0
EP3847284C0 EP18773945.3A EP18773945A EP3847284C0 EP 3847284 C0 EP3847284 C0 EP 3847284C0 EP 18773945 A EP18773945 A EP 18773945A EP 3847284 C0 EP3847284 C0 EP 3847284C0
Authority
EP
European Patent Office
Prior art keywords
hot
production
flat steel
steel product
rolled flat
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.)
Active
Application number
EP18773945.3A
Other languages
German (de)
English (en)
Other versions
EP3847284B1 (fr
EP3847284A1 (fr
Inventor
Nicholas Winzer
Richard G Thiessen
Rainer Fechte-Heinen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ThyssenKrupp Steel Europe AG
ThyssenKrupp AG
Original Assignee
ThyssenKrupp Steel Europe AG
ThyssenKrupp AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by ThyssenKrupp Steel Europe AG, ThyssenKrupp AG filed Critical ThyssenKrupp Steel Europe AG
Publication of EP3847284A1 publication Critical patent/EP3847284A1/fr
Application granted granted Critical
Publication of EP3847284C0 publication Critical patent/EP3847284C0/fr
Publication of EP3847284B1 publication Critical patent/EP3847284B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • 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
    • 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/24—Ferrous alloys, e.g. steel alloys containing chromium with vanadium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/26—Ferrous alloys, e.g. steel alloys containing chromium with niobium or tantalum
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/28—Ferrous alloys, e.g. steel alloys containing chromium with titanium or zirconium
    • C—CHEMISTRY; METALLURGY
    • 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
    • C21D2211/004—Dispersions; Precipitations
    • 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
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/009—Pearlite
EP18773945.3A 2018-09-06 2018-09-06 Produit plat laminé à chaud en acier et procédé de fabrication Active EP3847284B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2018/074005 WO2020048599A1 (fr) 2018-09-06 2018-09-06 Produit plat laminé à chaud en acier et procédé de fabrication

Publications (3)

Publication Number Publication Date
EP3847284A1 EP3847284A1 (fr) 2021-07-14
EP3847284C0 true EP3847284C0 (fr) 2023-08-16
EP3847284B1 EP3847284B1 (fr) 2023-08-16

Family

ID=63683133

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18773945.3A Active EP3847284B1 (fr) 2018-09-06 2018-09-06 Produit plat laminé à chaud en acier et procédé de fabrication

Country Status (2)

Country Link
EP (1) EP3847284B1 (fr)
WO (1) WO2020048599A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102021105357A1 (de) 2021-03-05 2022-09-08 Thyssenkrupp Steel Europe Ag Kaltgewalztes Stahlflachprodukt und Verfahren zu seiner Herstellung
DE102022121780A1 (de) 2022-08-29 2024-02-29 Thyssenkrupp Steel Europe Ag Verfahren zur Herstellung eines kaltgewalzten Stahlflachprodukts

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3294699B2 (ja) * 1993-12-30 2002-06-24 株式会社神戸製鋼所 耐孔あき腐食性に優れた高強度強加工用鋼板の製造方法
WO2002036840A1 (fr) 2000-10-31 2002-05-10 Nkk Corporation Tole d"acier laminee a chaud presentant une resistance elevee a la traction et procede de fabrication
JP5903883B2 (ja) 2011-12-27 2016-04-13 Ｊｆｅスチール株式会社 耐食性に優れためっき用高強度熱延薄鋼板とその製造方法

Also Published As

Publication number Publication date
WO2020048599A1 (fr) 2020-03-12
EP3847284B1 (fr) 2023-08-16
EP3847284A1 (fr) 2021-07-14

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