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ZA722661B - Metal treatment - Google Patents

Metal treatment

Info

Publication number
ZA722661B
ZA722661B ZA722661A ZA722661A ZA722661B ZA 722661 B ZA722661 B ZA 722661B ZA 722661 A ZA722661 A ZA 722661A ZA 722661 A ZA722661 A ZA 722661A ZA 722661 B ZA722661 B ZA 722661B
Authority
ZA
South Africa
Prior art keywords
metal treatment
treatment
metal
Prior art date
Application number
ZA722661A
Inventor
C Moore
Original Assignee
African Oxygen Ltd
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=9973311&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ZA722661(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by African Oxygen Ltd filed Critical African Oxygen Ltd
Publication of ZA722661B publication Critical patent/ZA722661B/en

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
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/04—Hardening by cooling below 0 degrees Celsius

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatment Of Articles (AREA)
ZA722661A 1971-04-22 1972-04-19 Metal treatment ZA722661B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB235272A GB1353753A (en) 1971-04-22 1971-04-22 Metal hardening process

Publications (1)

Publication Number Publication Date
ZA722661B true ZA722661B (en) 1973-03-28

Family

ID=9973311

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA722661A ZA722661B (en) 1971-04-22 1972-04-19 Metal treatment

Country Status (2)

Country Link
GB (1) GB1353753A (en)
ZA (1) ZA722661B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5259200A (en) * 1991-08-30 1993-11-09 Nu-Bit, Inc. Process for the cryogenic treatment of metal containing materials

Also Published As

Publication number Publication date
GB1353753A (en) 1974-05-22

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