FR634370A - Means for the regeneration of steels and process for its manufacture - Google Patents
Means for the regeneration of steels and process for its manufactureInfo
- Publication number
- FR634370A FR634370A FR634370DA FR634370A FR 634370 A FR634370 A FR 634370A FR 634370D A FR634370D A FR 634370DA FR 634370 A FR634370 A FR 634370A
- Authority
- FR
- France
- Prior art keywords
- steels
- regeneration
- manufacture
- 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
- 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
- C23C8/60—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 solids, e.g. powders, pastes
-
- 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
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 |
---|---|---|---|
FR634370T | 1927-05-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR634370A true FR634370A (en) | 1928-02-16 |
Family
ID=8993528
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR634370D Expired FR634370A (en) | 1927-05-14 | 1927-05-14 | Means for the regeneration of steels and process for its manufacture |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR634370A (en) |
-
1927
- 1927-05-14 FR FR634370D patent/FR634370A/en not_active Expired
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR652269A (en) | Gels and process for making them | |
FR656354A (en) | Metal purification process | |
FR634370A (en) | Means for the regeneration of steels and process for its manufacture | |
FR652234A (en) | Process for the rapid freezing of bio-colloids | |
FR669791A (en) | Process for the absorption of dilute nitrated gases | |
FR642698A (en) | Manufacturing process for ketones | |
FR644440A (en) | Process for the treatment of peat | |
FR643986A (en) | Advanced process for making briquettes | |
FR656971A (en) | Process for the manufacture of oxycathodes | |
FR642391A (en) | Process for the manufacture of pyridine and homologues | |
FR646263A (en) | Catalyst and process for its preparation | |
FR643624A (en) | Mastic and process for its manufacture | |
FR631210A (en) | Composition and process for making it | |
FR648205A (en) | Metallurgical process | |
FR624516A (en) | Brick and process for its manufacture | |
FR649689A (en) | New process for the manufacture of steels and special cast irons | |
FR677662A (en) | Process for the activation of proteases | |
FR654889A (en) | Improvements to knitwear and process for making them | |
FR652270A (en) | Gels and process for making them | |
FR568266A (en) | Dye-wax and process for its manufacture | |
FR615989A (en) | Process for the destruction of plants | |
FR646384A (en) | Process for reusing steel ribblons | |
FR635692A (en) | Steel making process | |
FR627227A (en) | Process for the regeneration of hardwoods | |
FR646155A (en) | Process for the production of reducing gases |