EP1152065A2 - Procédé de fabrication d'acier inoxydable austénitique à haute résistance mécanique - Google Patents

Procédé de fabrication d'acier inoxydable austénitique à haute résistance mécanique Download PDF

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Publication number
EP1152065A2
EP1152065A2 EP01110579A EP01110579A EP1152065A2 EP 1152065 A2 EP1152065 A2 EP 1152065A2 EP 01110579 A EP01110579 A EP 01110579A EP 01110579 A EP01110579 A EP 01110579A EP 1152065 A2 EP1152065 A2 EP 1152065A2
Authority
EP
European Patent Office
Prior art keywords
strength
steels
austenitic
properties
produced
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.)
Withdrawn
Application number
EP01110579A
Other languages
German (de)
English (en)
Other versions
EP1152065A3 (fr
Inventor
Klaus-Peter Dr. Erkel
Rudolf Prof. Dr.-Ing. Kawalla
Gerd Dr. Riedel
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP1152065A2 publication Critical patent/EP1152065A2/fr
Publication of EP1152065A3 publication Critical patent/EP1152065A3/fr
Withdrawn legal-status Critical Current

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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
    • C21D8/00—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • 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
    • C21D8/06—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires
    • C21D8/08—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires for concrete reinforcement
    • 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
    • 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
    • C21D9/0093—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for screws; for bolts

Definitions

  • the invention relates to the production of stainless steels austenitic class, which in a wide range of products as rods, wires, Pipes, sheets, strips or forgings can be produced.
  • the intended properties such as higher yield strengths and tensile strength with good toughness properties, namely elongation at break and constriction and Impact work should be done by thermomechanical treatment from the forming heat, can be achieved without further heat treatment.
  • the strength properties can be reduced naturally also by cold forming (drawing, cold rolling, stretching) after the Increase hot rolling followed by solution annealing and quenching.
  • the object of the invention is to provide high-strength stainless austenitic steels to produce the one compared to the classic delivery condition AS (solution annealed) significantly higher yield strength and tensile strength with good toughness properties exhibit.
  • the inventor's own large-scale examination of various dimensions of standard austenitic steels in the case of technical batches not rolled in a controlled manner determined strongly fluctuating strength and toughness properties in the rolled state, with the smaller cross-sections ( ⁇ 16 mm) in particular the significantly increased strength properties R p0.2 and R m compared to the larger cross sections (16 - 60 mm).
  • the toughness properties (elongation at break ⁇ 30%) were slightly reduced. These increases in strength apparently result from only partially or not recrystallized grain, which is also significantly finer than after solution annealing.
  • TMB temperature-controlled rolling
  • AS standard delivery condition

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  • 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)
  • Manufacturing & Machinery (AREA)
  • Heat Treatment Of Steel (AREA)
  • Heat Treatment Of Articles (AREA)
EP01110579A 2000-05-02 2001-04-30 Procédé de fabrication d'acier inoxydable austénitique à haute résistance mécanique Withdrawn EP1152065A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10021323A DE10021323A1 (de) 2000-05-02 2000-05-02 Verfahren zur Herstellung höherfester nichtrostender austenitischer Stähle
DE10021323 2000-05-02

Publications (2)

Publication Number Publication Date
EP1152065A2 true EP1152065A2 (fr) 2001-11-07
EP1152065A3 EP1152065A3 (fr) 2004-01-02

Family

ID=7640515

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01110579A Withdrawn EP1152065A3 (fr) 2000-05-02 2001-04-30 Procédé de fabrication d'acier inoxydable austénitique à haute résistance mécanique

Country Status (2)

Country Link
EP (1) EP1152065A3 (fr)
DE (1) DE10021323A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109652639A (zh) * 2018-12-29 2019-04-19 佛山市诚德新材料有限公司 一种不锈钢带的退火炉

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2735777C1 (ru) * 2020-05-07 2020-11-09 Федеральное государственное автономное образовательное учреждение высшего образования "Белгородский государственный национальный исследовательский университет" (НИУ "БелГУ") Способ получения катаных полуфабрикатов из аустенитной коррозионностойкой стали

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE416408B (sv) * 1977-06-14 1980-12-22 Fagersta Ab Valstrad med finkornig struktur och sett att framstella denna
JPS5658954A (en) * 1979-10-22 1981-05-22 Japan Atom Energy Res Inst Solid solution hardening type iron alloy
JPS60208459A (ja) * 1984-03-30 1985-10-21 Aichi Steel Works Ltd 高強度ステンレス鋼およびその製造法
DE3505689A1 (de) * 1985-02-19 1986-08-21 INTERATOM GmbH, 5060 Bergisch Gladbach Verfahren zum abschrecken von austenitischen staehlen
JPS61272317A (ja) * 1985-05-29 1986-12-02 Nippon Kokan Kk <Nkk> 耐食性に優れた常温および高温域での高強度オ−ステナイト・ステンレス鋼材の製造方法
JPH0611902B2 (ja) * 1989-07-12 1994-02-16 住友金属工業株式会社 ステンレス形鋼およびその製造方法
DE19933113C1 (de) * 1999-07-15 2000-09-07 Thyssenkrupp Stahl Ag Verfahren zum Herstellen eines Bandes aus Stahl durch flexibles Walzen

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109652639A (zh) * 2018-12-29 2019-04-19 佛山市诚德新材料有限公司 一种不锈钢带的退火炉
CN109652639B (zh) * 2018-12-29 2024-02-09 佛山市诚德新材料有限公司 一种不锈钢带的退火炉

Also Published As

Publication number Publication date
DE10021323A1 (de) 2001-11-08
EP1152065A3 (fr) 2004-01-02

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