FR713221A - Process for improving stainless steels - Google Patents

Process for improving stainless steels

Info

Publication number
FR713221A
FR713221A FR713221DA FR713221A FR 713221 A FR713221 A FR 713221A FR 713221D A FR713221D A FR 713221DA FR 713221 A FR713221 A FR 713221A
Authority
FR
France
Prior art keywords
stainless steels
improving stainless
improving
steels
stainless
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.)
Acieries Et Forges Firminy
Original Assignee
Acieries Et Forges Firminy
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 Acieries Et Forges Firminy filed Critical Acieries Et Forges Firminy
Application granted granted Critical
Publication of FR713221A publication Critical patent/FR713221A/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
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F3/00—Brightening metals by chemical means
    • C23F3/04—Heavy metals
    • C23F3/06—Heavy metals with acidic solutions

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
FR713221D 1931-03-14 1931-03-14 Process for improving stainless steels Expired FR713221A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR713221T 1931-03-14

Publications (1)

Publication Number Publication Date
FR713221A true FR713221A (en) 1931-10-23

Family

ID=9082589

Family Applications (1)

Application Number Title Priority Date Filing Date
FR713221D Expired FR713221A (en) 1931-03-14 1931-03-14 Process for improving stainless steels

Country Status (1)

Country Link
FR (1) FR713221A (en)

Similar Documents

Publication Publication Date Title
FR765037A (en) Enamelling process
FR713221A (en) Process for improving stainless steels
FR800003A (en) Refining process for steels
FR713219A (en) Stainless steel pickling process
FR769932A (en) Process for improving plant materials
FR724368A (en) Steels dephosphorization process
FR724369A (en) Process for improving steels
FR762881A (en) Process for improving adhesives
FR811792A (en) Hydrocarbon conversion process
FR729454A (en) Fertilizer improvement process
FR715581A (en) Process for recovering or enriching germanium
FR723937A (en) New stamping process for hollow parts
FR681986A (en) Process for improving thomas slag used as fertilizer
FR40932E (en) Olefin absorption process
FR738629A (en) Town sanitation process
FR768256A (en) Steels dephosphorization process
FR782896A (en) Hydrocarbon purification process
FR736379A (en) Pentaerythritis extraction process
FR790787A (en) Hydrocarbon treatment process
FR735108A (en) Process for obtaining 1-phenyl-1-hydroxy-2-haloethanes
FR713220A (en) Acid pickling process of stainless steels
FR736920A (en) Process for the improvement of articles of furskins and articles improved by this process
FR44407E (en) Hydrocarbon transformation process
FR763857A (en) Hydrocarbon transformation process
FR729936A (en) Purification process for sulfoichthyolates