FR838173A - Process for increasing the efficiency of high-speed steels based on chromium-tungsten - Google Patents

Process for increasing the efficiency of high-speed steels based on chromium-tungsten

Info

Publication number
FR838173A
FR838173A FR838173DA FR838173A FR 838173 A FR838173 A FR 838173A FR 838173D A FR838173D A FR 838173DA FR 838173 A FR838173 A FR 838173A
Authority
FR
France
Prior art keywords
tungsten
chromium
increasing
efficiency
speed 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.)
DEUTSCHEEDELSTAHLWERKE AG
Original Assignee
DEUTSCHEEDELSTAHLWERKE 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 DEUTSCHEEDELSTAHLWERKE AG filed Critical DEUTSCHEEDELSTAHLWERKE AG
Application granted granted Critical
Publication of FR838173A publication Critical patent/FR838173A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/30—Ferrous alloys, e.g. steel alloys containing chromium with cobalt

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
FR838173D 1937-05-25 1938-05-20 Process for increasing the efficiency of high-speed steels based on chromium-tungsten Expired FR838173A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE838173X 1937-05-25

Publications (1)

Publication Number Publication Date
FR838173A true FR838173A (en) 1939-02-28

Family

ID=6761598

Family Applications (1)

Application Number Title Priority Date Filing Date
FR838173D Expired FR838173A (en) 1937-05-25 1938-05-20 Process for increasing the efficiency of high-speed steels based on chromium-tungsten

Country Status (1)

Country Link
FR (1) FR838173A (en)

Similar Documents

Publication Publication Date Title
FR800570A (en) Process for improving the fastness of dyes on materials containing nitrogen
FR838173A (en) Process for increasing the efficiency of high-speed steels based on chromium-tungsten
FR834763A (en) Process for refining textiles
FR705613A (en) Method for machining bolts
FR769932A (en) Process for improving plant materials
FR835591A (en) Process for improving lubricants
FR839240A (en) Process for introducing lead into steel
FR834205A (en) Process for preparing wetting agents
FR839904A (en) Process for the preparation of alkaline percarbonates
FR709828A (en) Process for the production of articles which are to be machined on machine tools which remove chips
FR825474A (en) Process for improving textiles
FR887079A (en) Steel making process
FR830217A (en) Steel making process
FR812471A (en) Metalworking process
FR836557A (en) Process for the impregnation of fabrics with soaps
FR747074A (en) Improvements to the steel improvement process
FR760485A (en) Machining process
FR781854A (en) Process for producing useful wetting agents, detergents, dispersants and the like
FR789522A (en) Process for the production of wetting agents, detergents, dispersants, levelers, softeners and the like
FR876759A (en) Metallization process in particular for the aluminization of iron articles
FR576885A (en) Method and tools for the application of the culture method by alternating bands
FR767047A (en) Machine for the production of steel shavings
FR819176A (en) Process for carrying out the deoxidation of copper
FR832668A (en) Process for producing ethylene
FR805752A (en) Advanced process for establishing joints