EP1577414A3 - Heat-resistant austenitic stainless steel and a production process thereof - Google Patents

Heat-resistant austenitic stainless steel and a production process thereof Download PDF

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Publication number
EP1577414A3
EP1577414A3 EP05004809A EP05004809A EP1577414A3 EP 1577414 A3 EP1577414 A3 EP 1577414A3 EP 05004809 A EP05004809 A EP 05004809A EP 05004809 A EP05004809 A EP 05004809A EP 1577414 A3 EP1577414 A3 EP 1577414A3
Authority
EP
European Patent Office
Prior art keywords
heat
production process
stainless steel
austenitic stainless
resistant austenitic
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Withdrawn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
EP05004809A
Other languages
German (de)
French (fr)
Other versions
EP1577414A2 (en
Inventor
Shuji Hamano
Tetsuya Shimizu
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.)
Daido Steel Co Ltd
Original Assignee
Daido Steel Co Ltd
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 Daido Steel Co Ltd filed Critical Daido Steel Co Ltd
Publication of EP1577414A2 publication Critical patent/EP1577414A2/en
Publication of EP1577414A3 publication Critical patent/EP1577414A3/en
Withdrawn legal-status Critical Current

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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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatment Of Steel (AREA)

Abstract

To provide a heat-resistant austenitic stainless steel having high-temperature strength and sag-resistance capable of resisting working temperatures of not less than 550°C as well as being low in cost, and a production process thereof. The steel consistent with the present invention contains not more than 0.1wt% C, less than 1.0wt% Si, 1.0wt% to 10.0wt% Mn, not more than 0.03wt% P, not more than 0.01wt% S, 0.01wt% to 3.0wt% Cu, 7.0wt% to 15.0wt% Ni, 15.0wt% to 25.0wt% Cr, 0.5wt% to 5.0wt% Mo, not more than 0.03wt% Al, 0.4wt% to 0.8wt% N, and the remainder substantially consisting of Fe and unavoidable impurities.
EP05004809A 2004-03-04 2005-03-04 Heat-resistant austenitic stainless steel and a production process thereof Withdrawn EP1577414A3 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2004060124 2004-03-04
JP2004060124 2004-03-04
JP2005026158A JP2005281855A (en) 2004-03-04 2005-02-02 Heat-resistant austenitic stainless steel and production process thereof
JP2005026158 2005-02-02

Publications (2)

Publication Number Publication Date
EP1577414A2 EP1577414A2 (en) 2005-09-21
EP1577414A3 true EP1577414A3 (en) 2005-11-23

Family

ID=34840236

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05004809A Withdrawn EP1577414A3 (en) 2004-03-04 2005-03-04 Heat-resistant austenitic stainless steel and a production process thereof

Country Status (3)

Country Link
US (1) US20050194073A1 (en)
EP (1) EP1577414A3 (en)
JP (1) JP2005281855A (en)

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GB1433857A (en) * 1973-05-04 1976-04-28 Nippon Steel Corp Stainless steels
GB1514934A (en) * 1974-08-02 1978-06-21 Firth Brown Ltd Austenitic stainless steels
EP0142015A1 (en) * 1983-10-21 1985-05-22 Avesta Aktiebolag Austenitic steel
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JPH11302788A (en) * 1998-04-20 1999-11-02 Daido Steel Co Ltd High nitrogen austenitic heat resistant steel
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Also Published As

Publication number Publication date
JP2005281855A (en) 2005-10-13
US20050194073A1 (en) 2005-09-08
EP1577414A2 (en) 2005-09-21

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