EP0467857B1 - Powder metallurgy tool steel - Google Patents

Powder metallurgy tool steel Download PDF

Info

Publication number
EP0467857B1
EP0467857B1 EP91830235A EP91830235A EP0467857B1 EP 0467857 B1 EP0467857 B1 EP 0467857B1 EP 91830235 A EP91830235 A EP 91830235A EP 91830235 A EP91830235 A EP 91830235A EP 0467857 B1 EP0467857 B1 EP 0467857B1
Authority
EP
European Patent Office
Prior art keywords
steel
powder
temperature
bath
salt
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 - Lifetime
Application number
EP91830235A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0467857A1 (en
Inventor
Fabio Guglielmi
Giovanni Barcaro
Paolo Sommovigo
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.)
Centro Sviluppo Materiali SpA
Original Assignee
Centro Sviluppo Materiali SpA
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 Centro Sviluppo Materiali SpA filed Critical Centro Sviluppo Materiali SpA
Publication of EP0467857A1 publication Critical patent/EP0467857A1/en
Application granted granted Critical
Publication of EP0467857B1 publication Critical patent/EP0467857B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • C22C33/00—Making ferrous alloys
    • C22C33/02—Making ferrous alloys by powder metallurgy
    • C22C33/0257—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements
    • C22C33/0278—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements with at least one alloying element having a minimum content above 5%
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C33/00—Making ferrous alloys
    • C22C33/02—Making ferrous alloys by powder metallurgy
    • C22C33/0257—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements
    • C22C33/0278—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements with at least one alloying element having a minimum content above 5%
    • C22C33/0292—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements with at least one alloying element having a minimum content above 5% with more than 5% preformed carbides, nitrides or borides

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Powder Metallurgy (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
  • Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
EP91830235A 1990-07-17 1991-05-30 Powder metallurgy tool steel Expired - Lifetime EP0467857B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT4815090 1990-07-17
IT48150A IT1241490B (it) 1990-07-17 1990-07-17 Acciaio rapido da polveri.

Publications (2)

Publication Number Publication Date
EP0467857A1 EP0467857A1 (en) 1992-01-22
EP0467857B1 true EP0467857B1 (en) 1996-03-06

Family

ID=11264854

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91830235A Expired - Lifetime EP0467857B1 (en) 1990-07-17 1991-05-30 Powder metallurgy tool steel

Country Status (7)

Country Link
EP (1) EP0467857B1 (it)
AT (1) ATE135056T1 (it)
DE (1) DE69117605T2 (it)
DK (1) DK0467857T3 (it)
ES (1) ES2085457T3 (it)
GR (1) GR3019999T3 (it)
IT (1) IT1241490B (it)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993002819A1 (en) * 1991-08-07 1993-02-18 Kloster Speedsteel Aktiebolag High-speed steel manufactured by powder metallurgy
SE500008C2 (sv) * 1991-08-07 1994-03-21 Erasteel Kloster Ab Snabbstål med god varmhårdhet och slitstyrka framställt av pulver
US5578773A (en) * 1991-08-07 1996-11-26 Erasteel Kloster Aktiebolag High-speed steel manufactured by powder metallurgy
ES2181827T3 (es) * 1996-06-17 2003-03-01 Hau Hanspeter Acero polvometalurgico resistente al calor y procedimiento para su fabricacion.
AT411580B (de) * 2001-04-11 2004-03-25 Boehler Edelstahl Verfahren zur pulvermetallurgischen herstellung von gegenständen
EP2570507A1 (en) * 2011-09-19 2013-03-20 Sandvik Intellectual Property AB A method for producing high speed steel
EP2933345A1 (en) * 2014-04-14 2015-10-21 Uddeholms AB Cold work tool steel

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3117863A (en) * 1960-11-14 1964-01-14 Vanadium Alloys Steel Co Alloy steels
US4249945A (en) * 1978-09-20 1981-02-10 Crucible Inc. Powder-metallurgy steel article with high vanadium-carbide content
US4276087A (en) * 1979-05-03 1981-06-30 Crucible Inc. Powder-metallurgy vanadium-containing tungsten-type high-speed steel
JPS57181367A (en) * 1981-04-08 1982-11-08 Furukawa Electric Co Ltd:The Sintered high-v high-speed steel and its production
US4880461A (en) * 1985-08-18 1989-11-14 Hitachi Metals, Ltd. Super hard high-speed tool steel

Also Published As

Publication number Publication date
EP0467857A1 (en) 1992-01-22
IT9048150A0 (it) 1990-07-17
ES2085457T3 (es) 1996-06-01
DE69117605D1 (de) 1996-04-11
ATE135056T1 (de) 1996-03-15
DE69117605T2 (de) 1996-09-26
IT9048150A1 (it) 1992-01-17
IT1241490B (it) 1994-01-17
GR3019999T3 (en) 1996-08-31
DK0467857T3 (da) 1996-05-20

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