IT1241490B - Acciaio rapido da polveri. - Google Patents

Acciaio rapido da polveri.

Info

Publication number
IT1241490B
IT1241490B IT48150A IT4815090A IT1241490B IT 1241490 B IT1241490 B IT 1241490B IT 48150 A IT48150 A IT 48150A IT 4815090 A IT4815090 A IT 4815090A IT 1241490 B IT1241490 B IT 1241490B
Authority
IT
Italy
Prior art keywords
powder
bath
salt
temperature
manufacturing process
Prior art date
Application number
IT48150A
Other languages
English (en)
Other versions
IT9048150A1 (it
IT9048150A0 (it
Inventor
Fabio Guglielmi
Giovanni A Barcaro
Paolo Sommovigo
Original Assignee
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 Sviluppo Materiali Spa filed Critical Sviluppo Materiali Spa
Priority to IT48150A priority Critical patent/IT1241490B/it
Publication of IT9048150A0 publication Critical patent/IT9048150A0/it
Priority to DE69117605T priority patent/DE69117605T2/de
Priority to EP91830235A priority patent/EP0467857B1/en
Priority to DK91830235.7T priority patent/DK0467857T3/da
Priority to ES91830235T priority patent/ES2085457T3/es
Priority to AT91830235T priority patent/ATE135056T1/de
Publication of IT9048150A1 publication Critical patent/IT9048150A1/it
Application granted granted Critical
Publication of IT1241490B publication Critical patent/IT1241490B/it
Priority to GR960401374T priority patent/GR3019999T3/el

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)
IT48150A 1990-07-17 1990-07-17 Acciaio rapido da polveri. IT1241490B (it)

Priority Applications (7)

Application Number Priority Date Filing Date Title
IT48150A IT1241490B (it) 1990-07-17 1990-07-17 Acciaio rapido da polveri.
DE69117605T DE69117605T2 (de) 1990-07-17 1991-05-30 Pulvermetallurgische Werkzeugstähle
EP91830235A EP0467857B1 (en) 1990-07-17 1991-05-30 Powder metallurgy tool steel
DK91830235.7T DK0467857T3 (da) 1990-07-17 1991-05-30 Pulvermetallurgi-værktøjsstål
ES91830235T ES2085457T3 (es) 1990-07-17 1991-05-30 Acero para herramientas de metalurgia de polvos.
AT91830235T ATE135056T1 (de) 1990-07-17 1991-05-30 Pulvermetallurgische werkzeugstähle
GR960401374T GR3019999T3 (en) 1990-07-17 1996-05-21 Powder metallurgy tool steel

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
IT9048150A0 IT9048150A0 (it) 1990-07-17
IT9048150A1 IT9048150A1 (it) 1992-01-17
IT1241490B true IT1241490B (it) 1994-01-17

Family

ID=11264854

Family Applications (1)

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

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
US5578773A (en) * 1991-08-07 1996-11-26 Erasteel Kloster 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
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
GR3019999T3 (en) 1996-08-31
DE69117605T2 (de) 1996-09-26
ATE135056T1 (de) 1996-03-15
EP0467857B1 (en) 1996-03-06
IT9048150A1 (it) 1992-01-17
ES2085457T3 (es) 1996-06-01
EP0467857A1 (en) 1992-01-22
DE69117605D1 (de) 1996-04-11
DK0467857T3 (da) 1996-05-20
IT9048150A0 (it) 1990-07-17

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Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970730