FR447781A - Method and apparatus for tempering and treating steel and iron surfaces - Google Patents

Method and apparatus for tempering and treating steel and iron surfaces

Info

Publication number
FR447781A
FR447781A FR447781DA FR447781A FR 447781 A FR447781 A FR 447781A FR 447781D A FR447781D A FR 447781DA FR 447781 A FR447781 A FR 447781A
Authority
FR
France
Prior art keywords
tempering
treating steel
iron surfaces
iron
treating
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)
Inventor
William Speirs Simpson
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR447781A publication Critical patent/FR447781A/en
Expired legal-status Critical Current

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
    • C23C26/00—Coating not provided for in groups C23C2/00 - C23C24/00
    • C23C26/02—Coating not provided for in groups C23C2/00 - C23C24/00 applying molten material to the substrate
    • 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
    • C21D1/06—Surface hardening
FR447781D 1911-09-21 1912-08-10 Method and apparatus for tempering and treating steel and iron surfaces Expired FR447781A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB447781X 1911-09-21

Publications (1)

Publication Number Publication Date
FR447781A true FR447781A (en) 1913-01-15

Family

ID=1488443

Family Applications (1)

Application Number Title Priority Date Filing Date
FR447781D Expired FR447781A (en) 1911-09-21 1912-08-10 Method and apparatus for tempering and treating steel and iron surfaces

Country Status (1)

Country Link
FR (1) FR447781A (en)

Similar Documents

Publication Publication Date Title
FR447781A (en) Method and apparatus for tempering and treating steel and iron surfaces
FR449212A (en) Method and apparatus for the production of iron and steel
FR437307A (en) Method and apparatus for manufacturing steel
FR429518A (en) Process for hardening iron and steel objects
FR387314A (en) Process for hardening and annealing steel
FR387218A (en) Method and apparatus for granulating slag
FR422545A (en) Process for transforming iron and mild and extra-soft steel into very hard steel
FR424009A (en) Improved process and apparatus for steel production
FR459553A (en) Method and apparatus for forming and tempering springs
FR426122A (en) Method and apparatus for bottling mineral water
FR407424A (en) Method and apparatus for cooling water
FR403086A (en) Method and apparatus for obtaining steel ingots
FR395131A (en) Method and apparatus for manufacturing steel
FR405107A (en) Method and apparatus for marking fabric coupons
FR394667A (en) Process for the treatment of iron and steel
FR403748A (en) Method and apparatus for the electrical production or smelting of iron and steel
FR444983A (en) Method and apparatus for nodulation of fine iron ores, and the like
FR450403A (en) Process for treating iron and steel for railroad tracks and other applications
FR334506A (en) Improved method and apparatus for enamelling
FR366245A (en) Method and apparatus for the case-hardening of iron and steel articles
FR481802A (en) Method and apparatus for tempering and shaping metal
FR482978A (en) Method and apparatus for the direct production of steel
FR375327A (en) Method and apparatus for the stamping of large-size parts in sheets of all metals
FR416671A (en) Method and apparatus for sizing weaving chains
CH65951A (en) Method and apparatus for heat treatment of steel ingots