FR1135827A - Process for annealing steels in vacuum - Google Patents

Process for annealing steels in vacuum

Info

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
Application number
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Steirische Gusstahlwerke AG
Original Assignee
Steirische Gusstahlwerke AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Steirische Gusstahlwerke AG filed Critical Steirische Gusstahlwerke AG
Application granted granted Critical
Publication of FR1135827A publication Critical patent/FR1135827A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D1/00General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/74Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
    • C21D1/773Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material under reduced pressure or vacuum
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/10Handling in a vacuum
FR1135827D 1954-08-11 1955-08-11 Process for annealing steels in vacuum Expired FR1135827A (en)

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)

Similar Documents

Publication Publication Date Title
CH362061A (en) Process for the production of pure boron nitride
FR1191334A (en) Process for coating poly-fluoroethylenes
FR1102050A (en) Process for making rugs
FR1121390A (en) Casting process
FR1135827A (en) Process for annealing steels in vacuum
FR1191542A (en) Process for dyeing shaped articles of polyacrylonitrile
FR1159963A (en) Steel casting process and mechanism for performing this process
FR1116396A (en) Process for treating metals
FR1161575A (en) Process for the treatment of polyamides
FR1187877A (en) Metallurgical process for the treatment of steels
FR1107872A (en) Phenyl-ethyl-acetyl-methionine and process for preparing it
FR1134626A (en) Metal carburizing process
FR1150224A (en) Process for removing dyes
FR1091175A (en) Composition for pickling metals
FR1138105A (en) Process for preparing phenyl-glycol
CH336774A (en) Process for the treatment of dials
FR1106863A (en) Method for cutting clothes
FR1126576A (en) Process for concentrating or deconcentrating solutions
FR1124817A (en) Process for casting films
FR1153233A (en) Process for preparing thiamino-phosphoric esters
FR1173858A (en) Process for processing hops
AT187367B (en) Process for pickling metals
FR1149364A (en) Steel making process
FR1102358A (en) Processes and machines for shaping tubes
FR1144440A (en) Electro-optical scanning process