FR1135827A - Process for annealing steels in vacuum - Google Patents
Process for annealing steels in vacuumInfo
- Publication number
- FR1135827A FR1135827A FR1135827DA FR1135827A FR 1135827 A FR1135827 A FR 1135827A FR 1135827D A FR1135827D A FR 1135827DA FR 1135827 A FR1135827 A FR 1135827A
- Authority
- FR
- France
- Prior art keywords
- vacuum
- steels
- annealing
- annealing steels
- 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
- C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
- C21D1/773—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material under reduced pressure or vacuum
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/10—Handling in a vacuum
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT1135827X | 1954-08-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1135827A true FR1135827A (en) | 1957-05-03 |
Family
ID=3686038
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1135827D Expired FR1135827A (en) | 1954-08-11 | 1955-08-11 | Process for annealing steels in vacuum |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1135827A (en) |
-
1955
- 1955-08-11 FR FR1135827D patent/FR1135827A/en not_active Expired
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