FR2396090A1 - Acier inoxydable a teneur moyenne en chrome et teneur faible en nickel et son procede de production - Google Patents

Acier inoxydable a teneur moyenne en chrome et teneur faible en nickel et son procede de production

Info

Publication number
FR2396090A1
FR2396090A1 FR7811584A FR7811584A FR2396090A1 FR 2396090 A1 FR2396090 A1 FR 2396090A1 FR 7811584 A FR7811584 A FR 7811584A FR 7811584 A FR7811584 A FR 7811584A FR 2396090 A1 FR2396090 A1 FR 2396090A1
Authority
FR
France
Prior art keywords
content
stainless steel
production process
low nickel
medium chrome
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.)
Granted
Application number
FR7811584A
Other languages
English (en)
Other versions
FR2396090B1 (fr
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.)
Kubota Corp
Original Assignee
Kubota Corp
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 Kubota Corp filed Critical Kubota Corp
Publication of FR2396090A1 publication Critical patent/FR2396090A1/fr
Application granted granted Critical
Publication of FR2396090B1 publication Critical patent/FR2396090B1/fr
Granted 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
    • C22C38/18—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
    • 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
    • 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)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Heat Treatment Of Steel (AREA)
  • Heat Treatment Of Articles (AREA)
  • Paper (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
  • Manufacturing Of Steel Electrode Plates (AREA)

Abstract

L'alliage selon l'invention contient en plus du fer 7 à 20 % de Cr, 3 à 7 % de Ni, 1,5 à 2,5 % de Mo et soit 5 à 7 % de Cu, soit 2,5 à 5,0 % de Cu et 0,2 à 2 % de W et des quantités limitées d'autres éléments, cet alliage étant soumis à un traitement thermique de passage en solution de 900 à 1 150 oC avec ensuite chauffage à 60 oC à 700 oC avec refroidissement consécutif et ensuite traitement de durcissement par précipitation à une température comprise entre 450 oC et 60 oC pour obtenir un acier à limite élastique élevée et résistance élevée à la corrosion par les acides forts. La figure montre des aciers inoxydables classiques et des aciers selon l'invention avec la perte de poids % par corrosion.
FR7811584A 1977-06-30 1978-04-19 Acier inoxydable a teneur moyenne en chrome et teneur faible en nickel et son procede de production Granted FR2396090A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7919577A JPS5413414A (en) 1977-06-30 1977-06-30 Medium cr low ni stainless cast steel of high corrosion resistance and high strength

Publications (2)

Publication Number Publication Date
FR2396090A1 true FR2396090A1 (fr) 1979-01-26
FR2396090B1 FR2396090B1 (fr) 1981-06-26

Family

ID=13683183

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7811584A Granted FR2396090A1 (fr) 1977-06-30 1978-04-19 Acier inoxydable a teneur moyenne en chrome et teneur faible en nickel et son procede de production

Country Status (9)

Country Link
US (1) US4224061A (fr)
JP (1) JPS5413414A (fr)
CA (1) CA1097949A (fr)
DE (1) DE2758574C2 (fr)
FI (1) FI70052C (fr)
FR (1) FR2396090A1 (fr)
GB (1) GB1596859A (fr)
IT (1) IT1091694B (fr)
SE (2) SE441682B (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4740254A (en) * 1984-08-06 1988-04-26 Sandusky Foundry & Machine Co. Pitting resistant duplex stainless steel alloy
US4612069A (en) * 1984-08-06 1986-09-16 Sandusky Foundry & Machine Company Pitting resistant duplex stainless steel alloy
AT388687B (de) * 1985-04-15 1989-08-10 Austria Metall Verfahren und vorrichtung zum bespannen einer um eine achse drehbar gelagerte trommel bzw. eines rades mit einem endlosen duennwandigen metallmantel
DE102004019760A1 (de) * 2004-04-23 2005-11-17 Degussa Ag Verfahren zur Herstellung von HSiCI3 durch katalytische Hydrodehalogenierung von SiCI4

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1248953B (fr) * 1967-08-31
FR2194195A5 (fr) * 1972-07-28 1974-02-22 Creusot Loire

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB313471A (en) * 1928-03-10 1929-06-10 Robert Abbott Hadfield Improvements in or relating to alloys
FR91375E (fr) * 1966-01-13 1968-05-31 Electro Chimie Soc D Aciers améliorés
US3376780A (en) * 1966-09-19 1968-04-09 Armco Steel Corp Stainless steel, products and method
US3567434A (en) * 1967-03-17 1971-03-02 Langley Alloys Ltd Stainless steels
US3926685A (en) * 1969-06-03 1975-12-16 Andre Gueussier Semi-ferritic stainless manganese steel
US3811875A (en) * 1969-09-04 1974-05-21 Carpenter Technology Corp Free machining austenitic stainless steel alloy
GB1392715A (en) * 1971-04-16 1975-04-30 Lucas Industries Ltd Self cancelling direction indicator switches
US3795507A (en) * 1972-03-31 1974-03-05 Armco Steel Corp Semi-austenitic cr-ni-al-cu stainless steel
US4055448A (en) * 1973-04-10 1977-10-25 Daido Seiko Kabushiki Kaisha Ferrite-austenite stainless steel
DE2417632A1 (de) * 1973-04-10 1974-11-07 Daido Steel Co Ltd Ferritisch-austenitischer, nichtrostender stahl
AT336659B (de) * 1973-11-22 1977-05-25 Ver Edelstahlwerke Ag Stahllegierung fur beschussichere gegenstande

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1248953B (fr) * 1967-08-31
FR2194195A5 (fr) * 1972-07-28 1974-02-22 Creusot Loire

Also Published As

Publication number Publication date
JPS5717941B2 (fr) 1982-04-14
SE453601B (sv) 1988-02-15
US4224061A (en) 1980-09-23
FR2396090B1 (fr) 1981-06-26
FI70052C (fi) 1986-09-12
SE441682B (sv) 1985-10-28
SE8204088D0 (sv) 1982-07-01
DE2758574C2 (de) 1986-05-22
SE7714898L (sv) 1978-12-31
CA1097949A (fr) 1981-03-24
SE8204088L (sv) 1982-07-01
FI70052B (fi) 1986-01-31
FI773865A (fi) 1978-12-31
DE2758574A1 (de) 1979-01-11
GB1596859A (en) 1981-09-03
IT1091694B (it) 1985-07-06
JPS5413414A (en) 1979-01-31

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Legal Events

Date Code Title Description
ST Notification of lapse