FR560289A - Steel and iron case-hardening process - Google Patents
Steel and iron case-hardening processInfo
- Publication number
- FR560289A FR560289A FR560289DA FR560289A FR 560289 A FR560289 A FR 560289A FR 560289D A FR560289D A FR 560289DA FR 560289 A FR560289 A FR 560289A
- Authority
- FR
- France
- Prior art keywords
- steel
- hardening process
- iron case
- iron
- case
- 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.)
- Expired
Links
Classifications
-
- 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
- C21D1/56—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering characterised by the quenching agents
-
- 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
-
- 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
- C23C8/80—After-treatment
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR560289T | 1922-12-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR560289A true FR560289A (en) | 1923-10-02 |
Family
ID=8942827
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR560289D Expired FR560289A (en) | 1922-12-09 | 1922-12-09 | Steel and iron case-hardening process |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR560289A (en) |
-
1922
- 1922-12-09 FR FR560289D patent/FR560289A/en not_active Expired
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR560289A (en) | Steel and iron case-hardening process | |
FR620643A (en) | Processing process for iron and steel articles | |
FR725883A (en) | Steel and iron case-hardening process | |
FR603814A (en) | Iron and steel plating process | |
FR573866A (en) | Desulphurizing agent for iron and steel | |
FR536964A (en) | Process for pickling iron and steel with acids | |
FR570163A (en) | Preparation process for iron and stainless steel | |
FR658502A (en) | Penetrating self-coating process for iron and steel | |
FR523977A (en) | Direct manufacturing and refining process for iron and steel | |
FR755107A (en) | Iron and steel derusting and pickling process | |
FR681776A (en) | Penetrating self-coating process for iron and steel | |
FR26970E (en) | Iron and steel manufacturing process by directly treating the ore free from its gangue | |
FR29009E (en) | Manufacturing process of iron and steel from unwashed ores | |
FR584744A (en) | Manufacturing process of iron and steel from unwashed ores | |
FR712194A (en) | Iron and steel manufacturing process | |
FR533616A (en) | Method and device for the direct production of iron and steel | |
FR531172A (en) | Process for coating iron and steel articles with lead | |
FR648235A (en) | Refining process for iron and steel | |
FR577816A (en) | Electrolytic process for pickling and degreasing iron and steel | |
FR30181E (en) | Manufacturing process of iron and steel from unwashed ores | |
FR600718A (en) | Iron and steel manufacturing process from washed or unwashed ores | |
FR554900A (en) | Iron and steel manufacturing process by directly treating the ore free from its gangue | |
FR26205E (en) | Iron and steel manufacturing process by directly treating the ore free from its gangue | |
FR661862A (en) | Process for electrochemically pickling iron and steel | |
FR586827A (en) | Advanced process for coating the interior of iron and steel pipes |