EP4764006A1 - Matériau austénitique sans nickel à haute résistance mécanique et à la corrosion et procédé pour sa fabrication - Google Patents

Matériau austénitique sans nickel à haute résistance mécanique et à la corrosion et procédé pour sa fabrication

Info

Publication number
EP4764006A1
EP4764006A1 EP24221706.5A EP24221706A EP4764006A1 EP 4764006 A1 EP4764006 A1 EP 4764006A1 EP 24221706 A EP24221706 A EP 24221706A EP 4764006 A1 EP4764006 A1 EP 4764006A1
Authority
EP
European Patent Office
Prior art keywords
nickel
free austenitic
alloy
austenitic material
niobium
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.)
Pending
Application number
EP24221706.5A
Other languages
German (de)
English (en)
Inventor
Rainer FLUCH
Andreas KEPLINGER
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.)
Voestalpine Boehler Edelstahl GmbH and Co KG
Original Assignee
Voestalpine Boehler Edelstahl GmbH and Co KG
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 Voestalpine Boehler Edelstahl GmbH and Co KG filed Critical Voestalpine Boehler Edelstahl GmbH and Co KG
Priority to EP24221706.5A priority Critical patent/EP4764006A1/fr
Publication of EP4764006A1 publication Critical patent/EP4764006A1/fr
Pending legal-status Critical Current

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
    • 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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/56—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering characterised by the quenching agents
    • C21D1/60—Aqueous agents
    • 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
    • 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
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/005—Heat treatment of ferrous alloys containing Mn
    • 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
    • C21D6/008—Heat treatment of ferrous alloys containing Si
    • 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten
    • 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
    • C22C38/38—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of 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
    • C22C38/18—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
    • 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
    • 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
    • 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
    • C21D2211/001—Austenite

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Heat Treatment Of Steel (AREA)
EP24221706.5A 2024-12-19 2024-12-19 Matériau austénitique sans nickel à haute résistance mécanique et à la corrosion et procédé pour sa fabrication Pending EP4764006A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP24221706.5A EP4764006A1 (fr) 2024-12-19 2024-12-19 Matériau austénitique sans nickel à haute résistance mécanique et à la corrosion et procédé pour sa fabrication

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP24221706.5A EP4764006A1 (fr) 2024-12-19 2024-12-19 Matériau austénitique sans nickel à haute résistance mécanique et à la corrosion et procédé pour sa fabrication

Publications (1)

Publication Number Publication Date
EP4764006A1 true EP4764006A1 (fr) 2026-06-24

Family

ID=93926270

Family Applications (1)

Application Number Title Priority Date Filing Date
EP24221706.5A Pending EP4764006A1 (fr) 2024-12-19 2024-12-19 Matériau austénitique sans nickel à haute résistance mécanique et à la corrosion et procédé pour sa fabrication

Country Status (1)

Country Link
EP (1) EP4764006A1 (fr)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0875591B1 (fr) 1997-04-29 2000-08-23 Böhler Edelstahl GmbH & Co KG L'utilisation d'un alliage biocompatible pour la peau
EP1069202A1 (fr) 1999-07-15 2001-01-17 Schoeller-Bleckmann Oilfield Technology GmbH & Co KG Acier austenitique, paramagnetique, résistant à la corrosion et possédant une élasticité, une résistance mécanique et une tènacité èlevées, ainsi que son procédé de fabrication
US20130039802A1 (en) * 2010-05-06 2013-02-14 Outokumpu Oyj Low-nickel austenitic stainless steel and use of the steel
EP2455508B1 (fr) 2009-07-13 2016-11-23 Korea Institute Of Machinery & Materials Acier inoxydable austénitique très résistant mécaniquement et à la corrosion, comprenant un additif complexe de carbone et d'azote, et procédé de fabrication correspondant
CH711568A2 (fr) * 2015-09-25 2017-03-31 Swatch Group Res & Dev Ltd Acier inoxydable austénitique sans nickel.
EP2924514B1 (fr) 2014-03-24 2017-09-13 Nivarox-FAR S.A. Ressort d'horlogerie en acier inoxydable austénitique
KR101903403B1 (ko) * 2016-11-25 2018-10-04 한국기계연구원 내공식성이 향상된 오스테나이트계 스테인리스강
EP4279628A1 (fr) 2022-05-10 2023-11-22 Daido Steel Co., Ltd. Matériau d'acier inoxydable austénitique non magnétique et son procédé de production

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0875591B1 (fr) 1997-04-29 2000-08-23 Böhler Edelstahl GmbH & Co KG L'utilisation d'un alliage biocompatible pour la peau
EP1069202A1 (fr) 1999-07-15 2001-01-17 Schoeller-Bleckmann Oilfield Technology GmbH & Co KG Acier austenitique, paramagnetique, résistant à la corrosion et possédant une élasticité, une résistance mécanique et une tènacité èlevées, ainsi que son procédé de fabrication
EP2455508B1 (fr) 2009-07-13 2016-11-23 Korea Institute Of Machinery & Materials Acier inoxydable austénitique très résistant mécaniquement et à la corrosion, comprenant un additif complexe de carbone et d'azote, et procédé de fabrication correspondant
US20130039802A1 (en) * 2010-05-06 2013-02-14 Outokumpu Oyj Low-nickel austenitic stainless steel and use of the steel
EP2924514B1 (fr) 2014-03-24 2017-09-13 Nivarox-FAR S.A. Ressort d'horlogerie en acier inoxydable austénitique
CH711568A2 (fr) * 2015-09-25 2017-03-31 Swatch Group Res & Dev Ltd Acier inoxydable austénitique sans nickel.
KR101903403B1 (ko) * 2016-11-25 2018-10-04 한국기계연구원 내공식성이 향상된 오스테나이트계 스테인리스강
EP4279628A1 (fr) 2022-05-10 2023-11-22 Daido Steel Co., Ltd. Matériau d'acier inoxydable austénitique non magnétique et son procédé de production

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