CH511290A - Process for preparing an internally nitrided austenitic steel - Google Patents
Process for preparing an internally nitrided austenitic steelInfo
- 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
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)
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 (en) | 1971-08-15 |
Family
ID=24954714
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH859769A CH511290A (en) | 1968-06-07 | 1969-06-05 | Process for preparing an internally nitrided austenitic steel |
Country Status (7)
Country | Link |
---|---|
BE (1) | BE734045A (en) |
CH (1) | CH511290A (en) |
DE (1) | DE1928695C3 (en) |
FR (1) | FR2010519A1 (en) |
GB (1) | GB1250934A (en) |
LU (1) | LU58811A1 (en) |
SE (1) | SE362445B (en) |
Families Citing this family (4)
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR729466A (en) * | 1931-03-14 | 1932-07-25 | Commentry | Austenitic alloys nitrogen hardening process |
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 (en) * | 1965-07-05 | 1967-01-05 |
-
1969
- 1969-04-06 SE SE808469A patent/SE362445B/xx unknown
- 1969-05-30 GB GB1250934D patent/GB1250934A/en not_active Expired
- 1969-06-04 BE BE734045D patent/BE734045A/xx unknown
- 1969-06-04 FR FR6918315A patent/FR2010519A1/fr not_active Withdrawn
- 1969-06-05 CH CH859769A patent/CH511290A/en not_active IP Right Cessation
- 1969-06-06 DE DE19691928695 patent/DE1928695C3/en not_active Expired
- 1969-06-06 LU LU58811D patent/LU58811A1/xx unknown
Also Published As
Publication number | Publication date |
---|---|
GB1250934A (en) | 1971-10-27 |
SE362445B (en) | 1973-12-10 |
DE1928695C3 (en) | 1982-02-18 |
LU58811A1 (en) | 1971-03-25 |
BE734045A (en) | 1969-12-04 |
DE1928695B2 (en) | 1981-04-23 |
FR2010519A1 (en) | 1970-02-20 |
DE1928695A1 (en) | 1970-01-15 |
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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 |