FR2355083B1 - - Google Patents
Info
- Publication number
- FR2355083B1 FR2355083B1 FR7618251A FR7618251A FR2355083B1 FR 2355083 B1 FR2355083 B1 FR 2355083B1 FR 7618251 A FR7618251 A FR 7618251A FR 7618251 A FR7618251 A FR 7618251A FR 2355083 B1 FR2355083 B1 FR 2355083B1
- Authority
- FR
- France
- 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
- 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
- C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
-
- 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
- C21D1/18—Hardening; Quenching with or without subsequent tempering
-
- 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
- C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Heat Treatment Of Articles (AREA)
- Catalysts (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7618251A FR2355083A1 (en) | 1976-06-16 | 1976-06-16 | PROCESS FOR MANUFACTURING ALLOY STEEL PARTS WITH VERY HIGH MECHANICAL CHARACTERISTICS RESISTANT TO CRACKING IN THE PRESENCE OF HYDROGEN AND PARTS OBTAINED BY THIS PROCESS |
DE19772720805 DE2720805C2 (en) | 1976-06-16 | 1977-05-09 | Process for the production of work pieces from alloy steel |
JP7157777A JPS52153822A (en) | 1976-06-16 | 1977-06-16 | Production of alloy steel articles and products obtained by this process |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7618251A FR2355083A1 (en) | 1976-06-16 | 1976-06-16 | PROCESS FOR MANUFACTURING ALLOY STEEL PARTS WITH VERY HIGH MECHANICAL CHARACTERISTICS RESISTANT TO CRACKING IN THE PRESENCE OF HYDROGEN AND PARTS OBTAINED BY THIS PROCESS |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2355083A1 FR2355083A1 (en) | 1978-01-13 |
FR2355083B1 true FR2355083B1 (en) | 1979-05-18 |
Family
ID=9174462
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7618251A Granted FR2355083A1 (en) | 1976-06-16 | 1976-06-16 | PROCESS FOR MANUFACTURING ALLOY STEEL PARTS WITH VERY HIGH MECHANICAL CHARACTERISTICS RESISTANT TO CRACKING IN THE PRESENCE OF HYDROGEN AND PARTS OBTAINED BY THIS PROCESS |
Country Status (3)
Country | Link |
---|---|
JP (1) | JPS52153822A (en) |
DE (1) | DE2720805C2 (en) |
FR (1) | FR2355083A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4226645A (en) * | 1979-01-08 | 1980-10-07 | Republic Steel Corp. | Steel well casing and method of production |
DE3616098C1 (en) * | 1986-05-13 | 1987-07-16 | Saarstahl Voelklingen Gmbh | Process for increasing the toughness of martensite-hardenable steels |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1077011A (en) * | 1953-03-07 | 1954-11-03 | Hauts Fourneaux Sa | Oil-bearing sounding tube and method for its manufacture |
US2895861A (en) * | 1957-05-28 | 1959-07-21 | Creusot Forges Ateliers | Process for improving stress corrosion cracking resistance of alloyed steel in hydrogen sulphide atmosphere |
-
1976
- 1976-06-16 FR FR7618251A patent/FR2355083A1/en active Granted
-
1977
- 1977-05-09 DE DE19772720805 patent/DE2720805C2/en not_active Expired
- 1977-06-16 JP JP7157777A patent/JPS52153822A/en active Pending
Also Published As
Publication number | Publication date |
---|---|
DE2720805A1 (en) | 1978-03-09 |
DE2720805C2 (en) | 1983-03-03 |
FR2355083A1 (en) | 1978-01-13 |
JPS52153822A (en) | 1977-12-21 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |