SE545439C2 - Alumina forming austenite-ferrite stainless steel alloy - Google Patents

Alumina forming austenite-ferrite stainless steel alloy

Info

Publication number
SE545439C2
SE545439C2 SE2130152A SE2130152A SE545439C2 SE 545439 C2 SE545439 C2 SE 545439C2 SE 2130152 A SE2130152 A SE 2130152A SE 2130152 A SE2130152 A SE 2130152A SE 545439 C2 SE545439 C2 SE 545439C2
Authority
SE
Sweden
Prior art keywords
stainless steel
austenite
ferrite stainless
weight
alumina
Prior art date
Application number
SE2130152A
Other languages
Swedish (sv)
Other versions
SE2130152A1 (en
Inventor
Mats Lundberg
Thomas Helander
Original Assignee
Sandvik Materials Tech Emea Ab
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 Sandvik Materials Tech Emea Ab filed Critical Sandvik Materials Tech Emea Ab
Priority to SE2130152A priority Critical patent/SE545439C2/en
Priority to PCT/SE2022/050524 priority patent/WO2022255927A1/en
Priority to JP2023574327A priority patent/JP2024521893A/en
Priority to EP22816547.8A priority patent/EP4347908A1/en
Publication of SE2130152A1 publication Critical patent/SE2130152A1/en
Publication of SE545439C2 publication Critical patent/SE545439C2/en

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
    • C22C38/004—Very low carbon steels, i.e. having a carbon content of less than 0,01%
    • 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
    • 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
    • C21D1/185—Hardening; Quenching with or without subsequent tempering from an intercritical temperature
    • 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
    • C21D6/02—Hardening by precipitation
    • 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
    • C21D8/005—Modifying the physical properties by deformation combined with, or followed by, heat treatment of ferrous 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
    • 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
    • C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
    • 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
    • C22C38/18—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
    • 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
    • C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel 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
    • C22C38/40—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
    • C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with 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
    • 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
    • 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
    • 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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00—Energy generation of nuclear origin
    • Y02E30/30—Nuclear fission reactors

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Heat Treatment Of Steel (AREA)
  • Manufacture Of Alloys Or Alloy Compounds (AREA)
  • Heat Treatment Of Articles (AREA)

Abstract

The present disclosure relates to an alumina forming austenite-ferrite stainless steel alloy. The present disclosure also relates to a method of producing an alumina forming austenite-ferrite stainless steel object. Further the disclosure relates to a product and the use in the temperature range of 500 to 900°C.

Claims (9)

Claims
1. An alumina forrning austenite-ferrite Stainless steel, comprising the following composition in Weight%; Cr 11.0 to 16.0; Ni 11.5 to 15.0; Al 3.5 to 5.0; C 0.01 to 0.15; Nb 0.01 to 2.0; Mn 0.01 to 3.5; Si 0.01 to 0.8; Cu 0 to 5.5; Zr 0 to 0.3; Mo+W 0 to 3.0; Wherein Hf, Ta and Ti is considered to be fianctionally equivalent With the elements Zr and Nb and may therefore be present in the same amounts as is specified for those elements, and may, partially or totally, replace these elements; optionally one or more elements selected from the group consisting of rare earth metals (REM) to a maximum level of 0.1 Weight%; balance being Fe and norrnally occurring impurities; and Wherein the austenitic-ferritic stainless steel has a microstructure comprising of ferrite Which is more than 15 volume% and less than 45 volume% and the remainder being austenite.
2. The austenite-ferrite stainless steel alloy according to claim 1, Wherein the composition comprises Cu 0.5 to 5.5 in Weight%.
3. The austenite-ferrite stainless steel alloy according to claims 1 or 2, Wherein the composition comprises Zr 0.05 to 0.3 in Weight%.
4. The austenite-ferrite stainless steel alloy according to any one of claims 1 to 3, Wherein the composition comprises Nb 0.05 to 1.6 Weight%.
5. A method of producing an austenite-ferrite stainless steel object, said method comprising the following steps; a) providing an alumina forrning austenite-ferrite stainless steel melt having a composition according to any one of claims 1 to 4; b) Cooling the alumina forrning austenite-ferrite Stainless steel melt to a solid body; c) hot working said solid body at temperatures between above 1000 to 1300°C to a work piece of predeterrnined shape; d) heat treating said work piece at a temperature in the range of between l050°C to l200°C for a time of about 2 to 120 minutes; e) quenching the heat-treated work piece down to approximately room temperature. The method according to claim 5, further comprising a cold working step after the hot working step c). . The method according to claims 5 and 6, further comprising an aging step after the quenching step e). . An object comprising the alumina forrning austenite-ferrite stainless steel according to any one of claims l to 4 or manufactured according to any one of claims l to . Use of the object according to claim 8, in applications in which said product is subjected to a temperature in the range of 500-900°C.
SE2130152A 2021-06-01 2021-06-01 Alumina forming austenite-ferrite stainless steel alloy SE545439C2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
SE2130152A SE545439C2 (en) 2021-06-01 2021-06-01 Alumina forming austenite-ferrite stainless steel alloy
PCT/SE2022/050524 WO2022255927A1 (en) 2021-06-01 2022-05-31 Alumina forming austenite-ferrite stainless steel alloy
JP2023574327A JP2024521893A (en) 2021-06-01 2022-05-31 Alumina-forming austenitic-ferritic stainless steel alloys
EP22816547.8A EP4347908A1 (en) 2021-06-01 2022-05-31 Alumina forming austenite-ferrite stainless steel alloy

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE2130152A SE545439C2 (en) 2021-06-01 2021-06-01 Alumina forming austenite-ferrite stainless steel alloy

Publications (2)

Publication Number Publication Date
SE2130152A1 SE2130152A1 (en) 2022-12-02
SE545439C2 true SE545439C2 (en) 2023-09-12

Family

ID=84323498

Family Applications (1)

Application Number Title Priority Date Filing Date
SE2130152A SE545439C2 (en) 2021-06-01 2021-06-01 Alumina forming austenite-ferrite stainless steel alloy

Country Status (4)

Country Link
EP (1) EP4347908A1 (en)
JP (1) JP2024521893A (en)
SE (1) SE545439C2 (en)
WO (1) WO2022255927A1 (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4204862A (en) * 1975-10-29 1980-05-27 Nippon Steel Corporation Austenitic heat-resistant steel which forms Al2 O3 film in high-temperature oxidizing atmosphere
JPH09241810A (en) * 1996-03-08 1997-09-16 Nkk Corp Austenitic stainless steel for high temperature equipment with welded structure
JPH09263906A (en) * 1996-01-23 1997-10-07 Hitachi Metals Ltd Iron-nickel-chrome-alum. ferritic alloy and its production
JPH10158793A (en) * 1996-12-06 1998-06-16 Hitachi Metals Ltd Member for cutting tool and its production
US6663984B2 (en) * 2001-07-10 2003-12-16 Zakrytoe Aktsionerone Obschestvo “Transkom” Clad steel rolled section for reinforcing concrete and method of production

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4204862A (en) * 1975-10-29 1980-05-27 Nippon Steel Corporation Austenitic heat-resistant steel which forms Al2 O3 film in high-temperature oxidizing atmosphere
JPH09263906A (en) * 1996-01-23 1997-10-07 Hitachi Metals Ltd Iron-nickel-chrome-alum. ferritic alloy and its production
JPH09241810A (en) * 1996-03-08 1997-09-16 Nkk Corp Austenitic stainless steel for high temperature equipment with welded structure
JPH10158793A (en) * 1996-12-06 1998-06-16 Hitachi Metals Ltd Member for cutting tool and its production
US6663984B2 (en) * 2001-07-10 2003-12-16 Zakrytoe Aktsionerone Obschestvo “Transkom” Clad steel rolled section for reinforcing concrete and method of production

Also Published As

Publication number Publication date
EP4347908A1 (en) 2024-04-10
WO2022255927A1 (en) 2022-12-08
JP2024521893A (en) 2024-06-04
SE2130152A1 (en) 2022-12-02

Similar Documents

Publication Publication Date Title
JP2010503770A5 (en)
JP2016527394A (en) Stainless steel having delayed crack resistance and method for producing the same
KR20080034939A (en) Corrosion-resistant, cold-formable, machinable, high strength, martensitic stainless steel
KR20090015817A (en) Ni-reduced austenite stainless steel
CN110408861A (en) A kind of cold rolling high strength and ductility medium managese steel and preparation method thereof having lower Mn content
JP5674313B2 (en) Composite structure steel and heat treatment method for providing the same
CN110343970B (en) Hot-rolled high-strength-ductility medium manganese steel with lower Mn content and preparation method thereof
RU2686324C2 (en) Method of producing high-strength steel sheet with coating having improved strength, formability, and obtained sheet
JP2023538602A (en) Austenitic stainless steel and its manufacturing method
US20090263270A1 (en) Corrosion-Resistant, Free-Machining, Magnetic Stainless Steel
JP2021011635A (en) High manganese 3rd generation advanced high strength steels
US4259126A (en) Method of making razor blade strip from austenitic steel
SE545439C2 (en) Alumina forming austenite-ferrite stainless steel alloy
JP3422864B2 (en) Stainless steel with excellent workability and method for producing the same
JPS61136622A (en) Manufacture of high strength low alloy ultrathick steel material
JP6945545B2 (en) Heat treatment methods for manganese steel intermediates and steel intermediates heat treated by such methods
JP7046800B2 (en) New austenitic stainless steel alloy
CN106929756B (en) Bearing steel and preparation method thereof
CN116018421A (en) High strength austenitic stainless steel having excellent productivity and cost reduction effect and method for producing the same
CN106435129B (en) Ferritic stainless steel with good toughness and corrosion resistance and manufacturing method thereof
JPH1068050A (en) Stainless steel for spring excellent in thermal settling resistance
KR102523533B1 (en) Ferritic stainless steel with improved grain boundary erosion and its manufacturing method
JP2012201924A (en) Stainless steel sheet and method for producing the same
TW201816124A (en) Martensitic stainless steel and method for the manufacture
JP2614416B2 (en) Method for manufacturing superplastic duplex stainless steel sheet