MX2023003545A - Method for producing stainless steel. - Google Patents

Method for producing stainless steel.

Info

Publication number
MX2023003545A
MX2023003545A MX2023003545A MX2023003545A MX2023003545A MX 2023003545 A MX2023003545 A MX 2023003545A MX 2023003545 A MX2023003545 A MX 2023003545A MX 2023003545 A MX2023003545 A MX 2023003545A MX 2023003545 A MX2023003545 A MX 2023003545A
Authority
MX
Mexico
Prior art keywords
stainless steel
cooling
producing stainless
steel
quenching
Prior art date
Application number
MX2023003545A
Other languages
Spanish (es)
Inventor
Jan Y Jonsson
James Oliver
Nataliya Limbach-Malyar
Peter Hedström
Original Assignee
Outokumpu Oy
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 Outokumpu Oy filed Critical Outokumpu Oy
Publication of MX2023003545A publication Critical patent/MX2023003545A/en

Links

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
    • C21D10/00—Modifying the physical properties by methods other than heat treatment or deformation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/001—Continuous casting of metals, i.e. casting in indefinite lengths of specific alloys
    • B22D11/002—Stainless steels
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/52—Manufacture of steel in electric furnaces
    • 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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/18—Hardening; Quenching with or without subsequent tempering
    • 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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/26—Methods of annealing
    • 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
    • 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
    • C21D6/002—Heat treatment of ferrous alloys containing Cr
    • 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
    • C21D2211/008—Martensite

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • Mechanical Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Heat Treatment Of Articles (AREA)
  • Continuous Casting (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
  • Manufacturing Of Steel Electrode Plates (AREA)
  • Heat Treatment Of Strip Materials And Filament Materials (AREA)
  • Soft Magnetic Materials (AREA)

Abstract

A method of supressing embrittlement of stainless steel in a stainless steel production process comprising the steps of â¿¢ manufacturing stainless steel in a conventional stainless steel manufacturing process â¿¢ annealing the stainless steel in an annealing step â¿¢ cooling the steel in a cooling step or quenching the steel in a quenching step and â¿¢ applying a magnetic field to the stainless steel during the cooling or quenching step.
MX2023003545A 2020-10-09 2021-10-08 Method for producing stainless steel. MX2023003545A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP20201101.1A EP3981889A1 (en) 2020-10-09 2020-10-09 Method for producing stainless steel
PCT/EP2021/077932 WO2022074229A1 (en) 2020-10-09 2021-10-08 Method for producing stainless steel

Publications (1)

Publication Number Publication Date
MX2023003545A true MX2023003545A (en) 2023-04-12

Family

ID=72826770

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2023003545A MX2023003545A (en) 2020-10-09 2021-10-08 Method for producing stainless steel.

Country Status (8)

Country Link
US (1) US20230340634A1 (en)
EP (1) EP3981889A1 (en)
JP (1) JP2023544120A (en)
KR (1) KR20230084496A (en)
CN (1) CN116323987A (en)
MX (1) MX2023003545A (en)
TW (1) TW202214876A (en)
WO (1) WO2022074229A1 (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3322157B2 (en) * 1997-03-31 2002-09-09 住友金属工業株式会社 Method for producing ferritic stainless steel strip containing Cu
JP2006212674A (en) 2005-02-04 2006-08-17 Jfe Steel Kk METHOD FOR COILING HIGH Cr FERRITIC STAINLESS HOT ROLLED STEEL STRIP AND AND DEVICE THEREFOR
CN105695671A (en) * 2014-11-28 2016-06-22 重庆市巴南区仁荣机械厂 Magnetic steel heat treatment technology
JP6686320B2 (en) * 2015-08-05 2020-04-22 日本製鉄株式会社 Manufacturing method of stainless steel pipe
CN108315549B (en) 2018-03-19 2019-12-24 北京科技大学 Method for regenerating aged duplex stainless steel performance under action of pulse current

Also Published As

Publication number Publication date
CN116323987A (en) 2023-06-23
JP2023544120A (en) 2023-10-20
US20230340634A1 (en) 2023-10-26
KR20230084496A (en) 2023-06-13
EP3981889A1 (en) 2022-04-13
WO2022074229A1 (en) 2022-04-14
TW202214876A (en) 2022-04-16

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