OA01449A - Atmospheric gas intended for carburizing, carbonitizing or protecting steel parts. - Google Patents
Atmospheric gas intended for carburizing, carbonitizing or protecting steel parts.Info
- Publication number
- OA01449A OA01449A OA51983A OA51983A OA01449A OA 01449 A OA01449 A OA 01449A OA 51983 A OA51983 A OA 51983A OA 51983 A OA51983 A OA 51983A OA 01449 A OA01449 A OA 01449A
- Authority
- OA
- OAPI
- Prior art keywords
- carbonitizing
- carburizing
- atmospheric gas
- steel parts
- gas intended
- 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
- 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
- C23C8/06—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 using gases
- C23C8/28—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 using gases more than one element being applied in one step
- C23C8/30—Carbo-nitriding
- C23C8/32—Carbo-nitriding of ferrous surfaces
-
- 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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
- C21D1/76—Adjusting the composition of the atmosphere
-
- 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
- C23C8/06—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 using gases
- C23C8/08—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 using gases only one element being applied
- C23C8/20—Carburising
- C23C8/22—Carburising of ferrous surfaces
-
- 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
- C23C8/40—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 using liquids, e.g. salt baths, liquid suspensions
- C23C8/42—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 using liquids, e.g. salt baths, liquid suspensions only one element being applied
- C23C8/44—Carburising
- C23C8/46—Carburising of ferrous surfaces
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Furnace Details (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR754680 | 1957-12-26 | ||
FR779939A FR74552E (en) | 1957-12-26 | 1958-11-24 | Atmospheric gas for carburizing, carbonitriding or protecting steel parts |
Publications (1)
Publication Number | Publication Date |
---|---|
OA01449A true OA01449A (en) | 1969-07-04 |
Family
ID=26183301
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
OA51983A OA01449A (en) | 1957-12-26 | 1964-12-31 | Atmospheric gas intended for carburizing, carbonitizing or protecting steel parts. |
Country Status (3)
Country | Link |
---|---|
FR (2) | FR1189033A (en) |
GB (1) | GB898465A (en) |
OA (1) | OA01449A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2450878A1 (en) * | 1979-03-05 | 1980-10-03 | Air Liquide | INSTALLATION GENERATING AN ATMOSPHERE FOR HEAT TREATING METALS |
-
1957
- 1957-12-26 FR FR1189033D patent/FR1189033A/en not_active Expired
-
1958
- 1958-11-24 FR FR779939A patent/FR74552E/en not_active Expired
- 1958-12-18 GB GB40910/58A patent/GB898465A/en not_active Expired
-
1964
- 1964-12-31 OA OA51983A patent/OA01449A/en unknown
Also Published As
Publication number | Publication date |
---|---|
GB898465A (en) | 1962-06-06 |
FR1189033A (en) | 1959-09-28 |
FR74552E (en) | 1960-12-19 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
BE609161A (en) | Gas turbine. | |
OA01449A (en) | Atmospheric gas intended for carburizing, carbonitizing or protecting steel parts. | |
FR77894E (en) | Pressurized gas vaporizer | |
BE602761A (en) | Protective gas welding installation | |
AT206253B (en) | Kickback protection for gas burners | |
BE577419A (en) | Evacuation system for non-condensable gases, for refrigerating agent devices. | |
CH375235A (en) | Protective mask against toxic gases | |
BE585331A (en) | Arc furnace smoke evacuation device. | |
FR1309258A (en) | Safety key for gas cylinders | |
BE574944A (en) | Protective gas contact | |
BE586761A (en) | Gas valve. | |
FR1283944A (en) | Gas bearing | |
FR1279411A (en) | recovery scrubber for gas, vapor or smoke evacuation duct | |
BE585931A (en) | Improvements to gas masks. | |
BE616098A (en) | Magnetic blow-off extinguisher for surge protectors. | |
FR1327826A (en) | Safety device against the extinction of gas stoves | |
DK94798C (en) | Protection at overpressure systems, especially gas heating systems. | |
FR1273751A (en) | Gas stove | |
FR1187359A (en) | Protection of arch furnace vaults | |
FR1289128A (en) | Gas valve | |
FR1164653A (en) | Combination gas or oil burner | |
FR1295799A (en) | Thermoelectric safety installation, especially for gas cookers | |
FR1277089A (en) | Improvement in burners, in particular for gas stoves | |
BE574653A (en) | Gas bearing. | |
DK93373C (en) | Device for metal door frames and similar metal frames for protection against the penetration of fire. |