CH511290A - Procédé de préparation d'un acier austénitique à nitruration interne - Google Patents

Procédé de préparation d'un acier austénitique à nitruration interne

Info

Publication number
CH511290A
CH511290A CH859769A CH859769A CH511290A CH 511290 A CH511290 A CH 511290A CH 859769 A CH859769 A CH 859769A CH 859769 A CH859769 A CH 859769A CH 511290 A CH511290 A CH 511290A
Authority
CH
Switzerland
Prior art keywords
preparing
austenitic steel
internally
nitrided austenitic
internally nitrided
Prior art date
Application number
CH859769A
Other languages
English (en)
Inventor
Edward Kindlimann Lynn
Original Assignee
Allegheny Ludlum Steel
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 Allegheny Ludlum Steel filed Critical Allegheny Ludlum Steel
Publication of CH511290A publication Critical patent/CH511290A/fr

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C30/00—Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process
    • 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
    • C21D3/00—Diffusion processes for extraction of non-metals; Furnaces therefor
    • C21D3/02—Extraction of non-metals
    • C21D3/08—Extraction of nitrogen
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C32/00—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ
    • C22C32/0047—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with carbides, nitrides, borides or silicides as the main non-metallic constituents
    • C22C32/0068—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with carbides, nitrides, borides or silicides as the main non-metallic constituents only nitrides
    • 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
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/56—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members
    • E04B2/58—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with elongated members of metal

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Architecture (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
CH859769A 1968-06-07 1969-06-05 Procédé de préparation d'un acier austénitique à nitruration interne CH511290A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US73518668A 1968-06-07 1968-06-07

Publications (1)

Publication Number Publication Date
CH511290A true CH511290A (fr) 1971-08-15

Family

ID=24954714

Family Applications (1)

Application Number Title Priority Date Filing Date
CH859769A CH511290A (fr) 1968-06-07 1969-06-05 Procédé de préparation d'un acier austénitique à nitruration interne

Country Status (7)

Country Link
BE (1) BE734045A (fr)
CH (1) CH511290A (fr)
DE (1) DE1928695C3 (fr)
FR (1) FR2010519A1 (fr)
GB (1) GB1250934A (fr)
LU (1) LU58811A1 (fr)
SE (1) SE362445B (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3615904A (en) * 1969-02-28 1971-10-26 Allegheny Ludlume Steel Corp Method of improving nitride-strengthened stainless steel properties
FR2082749A5 (en) * 1970-03-25 1971-12-10 Allegheny Ludlum Steel Steel powder internally reinforced with a - dispersion of metallic nitride particles
US3663312A (en) * 1970-03-09 1972-05-16 Allegheny Ludlum Steel Nitride-strengthened, stainless steel
GB8324745D0 (en) * 1983-09-15 1983-10-19 Welsh National Scholl Of Medic Steel castings

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR729466A (fr) * 1931-03-14 1932-07-25 Commentry Procédé de durcissement par l'azote des alliages austénitiques
US2300274A (en) * 1939-06-27 1942-10-27 Gen Electric Process for annealing austenitic steels
US3180727A (en) * 1962-02-20 1965-04-27 Du Pont Composition containing a dispersionhardening phase and a precipitation-hardening phase and process for producing the same
LU48989A1 (fr) * 1965-07-05 1967-01-05

Also Published As

Publication number Publication date
DE1928695B2 (de) 1981-04-23
GB1250934A (fr) 1971-10-27
BE734045A (fr) 1969-12-04
DE1928695C3 (de) 1982-02-18
DE1928695A1 (de) 1970-01-15
FR2010519A1 (fr) 1970-02-20
LU58811A1 (fr) 1971-03-25
SE362445B (fr) 1973-12-10

Similar Documents

Publication Publication Date Title
CH505171A (fr) Procédé de préparation de polymère d'uréthane-siloxane
OA03142A (fr) Procédé de préparation de pyrazoles et de compositions à base de pyrazoles.
CH511290A (fr) Procédé de préparation d'un acier austénitique à nitruration interne
FR1463425A (fr) Procédé de coulée continue d'acier
OA03864A (fr) Procédé de préparation d'un médicament à base de P-chlophenoxyisobutyrate de pyridoxine.
CH506457A (fr) Procédé de préparation d'hexanetriol-1,2,6
CH515268A (fr) Procédé de préparation de 5-nitrofuryl-1,2,4-oxadiazines
CH448673A (fr) Procédé de cémentation gazeuse d'acier
CH522590A (fr) Procédé de préparation d'adamantylaminotétrahydronaphtyloxypropanols
CH506471A (fr) Procédé de préparation d'un ester à point d'ébullition élevé, purifié
FR95916E (fr) Procédé de préparation d'hydrazyne anhydre.
CH534154A (fr) Procédé de préparation d'un 3-aryloxy-8-carbamoylnortropane
FR1323588A (fr) Procédé de fabrication d'engrenages en acier inoxydable austéno-martensitique à durcissement structural
BE608952A (fr) Procédé de production d'acier.
BE767385A (fr) Procede perfectionne d'elaboration de l'acier
FR1507399A (fr) Procédé de laminage à froid de l'acier
FR1476140A (fr) Procédé de préparation de paratungstate d'ammonium
FR1320570A (fr) Procédé de fabrication d'acier plaqué
CH503054A (fr) Procédé de préparation d'une mucoprotéine
FR1503182A (fr) Procédé de préparation d'adiponitrile
CH503496A (fr) Procédé de préparation d'une composition utilisable pour le traitement des cheveux
CH519024A (fr) Procédé d'affinage des aciers
CH529765A (fr) Procédé de préparation d'un composé iminobenzyl-pyrazole
CH526576A (fr) Procédé de préparation de 1,3,4-thiadiazole-2-ylurées
OA03960A (fr) Procédé de préparation d'une composition anti-malarienne.

Legal Events

Date Code Title Description
PFA Name/firm changed

Owner name: ALLEGHENY LUDLUM INDUSTRIES, INC.

PUE Assignment

Owner name: ALLEGHENY LUDLUM STEEL CORPORATION

PL Patent ceased