SE446462B - Kropp framstelld genom pulvermetallurgi - Google Patents

Kropp framstelld genom pulvermetallurgi

Info

Publication number: SE446462B
Authority: SE; Sweden
Prior art keywords: vanadium; type; cpm; powder; carbides
Prior art date: 1978-09-20

Application number

SE7900877A

Other languages

English (en)

Swedish (sv)

Other versions

SE7900877L (sv

Inventor

W T Haswell

A Kasak

Original Assignee

Crucible Inc

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.)

1978-09-20

Filing date

1979-02-01

Publication date

1986-09-15

1979-02-01 Application filed by Crucible Inc filed Critical Crucible Inc

1980-03-21 Publication of SE7900877L publication Critical patent/SE7900877L/

1986-09-15 Publication of SE446462B publication Critical patent/SE446462B/sv

Links

239000000843 powder Substances 0.000 title claims description 30
229910052751 metal Inorganic materials 0.000 title description 4
239000002184 metal Substances 0.000 title description 4
229910000831 Steel Inorganic materials 0.000 claims description 31
239000010959 steel Substances 0.000 claims description 31
229910052720 vanadium Inorganic materials 0.000 claims description 30
LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims description 30
229910045601 alloy Inorganic materials 0.000 claims description 18
239000000956 alloy Substances 0.000 claims description 18
ZLANVVMKMCTKMT-UHFFFAOYSA-N methanidylidynevanadium(1+) Chemical class [V+]#[C-] ZLANVVMKMCTKMT-UHFFFAOYSA-N 0.000 claims description 16
229910052799 carbon Inorganic materials 0.000 claims description 13
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 12
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 12
238000010438 heat treatment Methods 0.000 claims description 11
238000004663 powder metallurgy Methods 0.000 claims description 11
238000004519 manufacturing process Methods 0.000 claims description 10
150000001247 metal acetylides Chemical class 0.000 claims description 10
VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 9
229910052804 chromium Inorganic materials 0.000 claims description 8
239000011651 chromium Substances 0.000 claims description 8
ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 7
229910052750 molybdenum Inorganic materials 0.000 claims description 7
239000011733 molybdenum Substances 0.000 claims description 7
-1 balancing Chemical compound 0.000 claims description 6
229910052742 iron Inorganic materials 0.000 claims description 6
NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 5
229910052717 sulfur Inorganic materials 0.000 claims description 5
239000011593 sulfur Substances 0.000 claims description 5
238000005496 tempering Methods 0.000 claims description 5
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 4
239000006185 dispersion Substances 0.000 claims description 4
229910052710 silicon Inorganic materials 0.000 claims description 4
239000010703 silicon Substances 0.000 claims description 4
229910052757 nitrogen Inorganic materials 0.000 claims description 2
238000009628 steelmaking Methods 0.000 claims 2
239000000356 contaminant Substances 0.000 claims 1
WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 claims 1
INZDTEICWPZYJM-UHFFFAOYSA-N 1-(chloromethyl)-4-[4-(chloromethyl)phenyl]benzene Chemical compound C1=CC(CCl)=CC=C1C1=CC=C(CCl)C=C1 INZDTEICWPZYJM-UHFFFAOYSA-N 0.000 description 24
238000005299 abrasion Methods 0.000 description 24
238000012360 testing method Methods 0.000 description 16
238000000227 grinding Methods 0.000 description 11
239000000463 material Substances 0.000 description 9
239000000047 product Substances 0.000 description 8
238000005516 engineering process Methods 0.000 description 7
239000002245 particle Substances 0.000 description 7
229910001315 Tool steel Inorganic materials 0.000 description 6
230000015572 biosynthetic process Effects 0.000 description 6
238000000034 method Methods 0.000 description 6
238000005242 forging Methods 0.000 description 5
239000011159 matrix material Substances 0.000 description 5
239000000203 mixture Substances 0.000 description 5
PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 4
230000009471 action Effects 0.000 description 4
230000008859 change Effects 0.000 description 4
230000006835 compression Effects 0.000 description 4
238000007906 compression Methods 0.000 description 4
229910052748 manganese Inorganic materials 0.000 description 4
239000011572 manganese Substances 0.000 description 4
238000011282 treatment Methods 0.000 description 4
UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 description 4
229910000975 Carbon steel Inorganic materials 0.000 description 3
229910000997 High-speed steel Inorganic materials 0.000 description 3
HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
238000005452 bending Methods 0.000 description 3
239000010962 carbon steel Substances 0.000 description 3
238000001816 cooling Methods 0.000 description 3
238000007872 degassing Methods 0.000 description 3
230000000694 effects Effects 0.000 description 3
238000011156 evaluation Methods 0.000 description 3
239000007789 gas Substances 0.000 description 3
230000006698 induction Effects 0.000 description 3
238000002844 melting Methods 0.000 description 3
230000008018 melting Effects 0.000 description 3
239000003921 oil Substances 0.000 description 3
OXNIZHLAWKMVMX-UHFFFAOYSA-N picric acid Chemical compound OC1=C([N+]([O-])=O)C=C([N+]([O-])=O)C=C1[N+]([O-])=O OXNIZHLAWKMVMX-UHFFFAOYSA-N 0.000 description 3
238000012545 processing Methods 0.000 description 3
238000010298 pulverizing process Methods 0.000 description 3
238000004080 punching Methods 0.000 description 3
239000011734 sodium Substances 0.000 description 3
229910052708 sodium Inorganic materials 0.000 description 3
238000005482 strain hardening Methods 0.000 description 3
LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
230000002411 adverse Effects 0.000 description 2
229910001566 austenite Inorganic materials 0.000 description 2
230000008901 benefit Effects 0.000 description 2
238000005266 casting Methods 0.000 description 2
150000001768 cations Chemical class 0.000 description 2
239000003153 chemical reaction reagent Substances 0.000 description 2
239000010941 cobalt Substances 0.000 description 2
229910017052 cobalt Inorganic materials 0.000 description 2
GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 2
230000000052 comparative effect Effects 0.000 description 2
238000010586 diagram Methods 0.000 description 2
238000002474 experimental method Methods 0.000 description 2
239000013067 intermediate product Substances 0.000 description 2
238000007873 sieving Methods 0.000 description 2
229910000859 α-Fe Inorganic materials 0.000 description 2
229910000851 Alloy steel Inorganic materials 0.000 description 1
229910000952 Be alloy Inorganic materials 0.000 description 1
RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
101100298295 Drosophila melanogaster flfl gene Proteins 0.000 description 1
DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
239000000853 adhesive Substances 0.000 description 1
230000001070 adhesive effect Effects 0.000 description 1
238000003491 array Methods 0.000 description 1
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
230000009286 beneficial effect Effects 0.000 description 1
238000006243 chemical reaction Methods 0.000 description 1
239000007795 chemical reaction product Substances 0.000 description 1
239000003245 coal Substances 0.000 description 1
230000001427 coherent effect Effects 0.000 description 1
230000001143 conditioned effect Effects 0.000 description 1
239000002826 coolant Substances 0.000 description 1
229910052802 copper Inorganic materials 0.000 description 1
239000010949 copper Substances 0.000 description 1
239000013078 crystal Substances 0.000 description 1
238000009826 distribution Methods 0.000 description 1
239000003344 environmental pollutant Substances 0.000 description 1
238000005530 etching Methods 0.000 description 1
235000019441 ethanol Nutrition 0.000 description 1
WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
238000009863 impact test Methods 0.000 description 1
238000005461 lubrication Methods 0.000 description 1
VCTOKJRTAUILIH-UHFFFAOYSA-N manganese(2+);sulfide Chemical class [S-2].[Mn+2] VCTOKJRTAUILIH-UHFFFAOYSA-N 0.000 description 1
CAQPCGTWHYQICV-UHFFFAOYSA-L manganese(2+);sulfite Chemical class [Mn+2].[O-]S([O-])=O CAQPCGTWHYQICV-UHFFFAOYSA-L 0.000 description 1
239000000155 melt Substances 0.000 description 1
238000001000 micrograph Methods 0.000 description 1
239000011785 micronutrient Substances 0.000 description 1
235000013369 micronutrients Nutrition 0.000 description 1
229910052759 nickel Inorganic materials 0.000 description 1
238000006396 nitration reaction Methods 0.000 description 1
150000004767 nitrides Chemical class 0.000 description 1
238000009828 non-uniform distribution Methods 0.000 description 1
229910052760 oxygen Inorganic materials 0.000 description 1
239000001301 oxygen Substances 0.000 description 1
238000005554 pickling Methods 0.000 description 1
231100000719 pollutant Toxicity 0.000 description 1
239000011591 potassium Substances 0.000 description 1
229910052700 potassium Inorganic materials 0.000 description 1
239000002243 precursor Substances 0.000 description 1
238000002360 preparation method Methods 0.000 description 1
238000003825 pressing Methods 0.000 description 1
230000008569 process Effects 0.000 description 1
230000009467 reduction Effects 0.000 description 1
230000001105 regulatory effect Effects 0.000 description 1
238000007789 sealing Methods 0.000 description 1
238000005204 segregation Methods 0.000 description 1
239000000377 silicon dioxide Substances 0.000 description 1
238000005245 sintering Methods 0.000 description 1
238000007711 solidification Methods 0.000 description 1
230000008023 solidification Effects 0.000 description 1
238000010561 standard procedure Methods 0.000 description 1
239000002436 steel type Substances 0.000 description 1
238000005728 strengthening Methods 0.000 description 1
239000000126 substance Substances 0.000 description 1
WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
229910052721 tungsten Inorganic materials 0.000 description 1
239000010937 tungsten Substances 0.000 description 1
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
210000002268 wool Anatomy 0.000 description 1
230000003245 working effect Effects 0.000 description 1

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
- 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%
- C22C33/0285—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 Cr, Co, or Ni having a minimum content higher than 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)
Mechanical Engineering (AREA)
Materials Engineering (AREA)
Metallurgy (AREA)
Organic Chemistry (AREA)
Manufacturing & Machinery (AREA)
Powder Metallurgy (AREA)
Materials For Medical Uses (AREA)

SE7900877A 1978-09-20 1979-02-01 Kropp framstelld genom pulvermetallurgi SE446462B (sv)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US05/944,514 US4249945A (en)	1978-09-20	1978-09-20	Powder-metallurgy steel article with high vanadium-carbide content

Publications (2)

Publication Number	Publication Date
SE7900877L SE7900877L (sv)	1980-03-21
SE446462B true SE446462B (sv)	1986-09-15

Family

ID=25481549

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SE7900877A SE446462B (sv)	1978-09-20	1979-02-01	Kropp framstelld genom pulvermetallurgi

Country Status (17)

Country	Link
US (1)	US4249945A (fr)
JP (1)	JPS5856022B2 (fr)
KR (1)	KR820002180B1 (fr)
AT (1)	AT386226B (fr)
BE (1)	BE878892A (fr)
CA (1)	CA1113284A (fr)
DE (1)	DE2937724C2 (fr)
DK (1)	DK155837C (fr)
ES (1)	ES484223A1 (fr)
FR (1)	FR2436824A1 (fr)
GB (1)	GB2030175B (fr)
IN (1)	IN152129B (fr)
IT (1)	IT1192688B (fr)
LU (1)	LU81268A1 (fr)
MX (1)	MX7004E (fr)
NL (1)	NL7907018A (fr)
SE (1)	SE446462B (fr)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CA1191039A (fr) *	1981-09-28	1985-07-30	Crucible Materials Corporation	Article en acier d'outillage fritte
JPS58126963A (ja) *	1982-01-22	1983-07-28	Nachi Fujikoshi Corp	粉末高速度鋼
AT383619B (de) *	1983-06-23	1987-07-27	Ver Edelstahlwerke Ag	Sinterlegierung auf eisenbasis
JPS616255A (ja) *	1984-06-20	1986-01-11	Kobe Steel Ltd	高硬度高靭性窒化粉末ハイス
DE3507332A1 (de) *	1985-03-01	1986-09-04	Seilstorfer GmbH & Co Metallurgische Verfahrenstechnik KG, 8092 Haag	Stahlmatrix-hartstoff-verbundwerkstoff
DE3508982A1 (de) *	1985-03-13	1986-09-18	Seilstorfer GmbH & Co Metallurgische Verfahrenstechnik KG, 8092 Haag	Stahlmatrix-hartstoff-verbundwerkstoff
JPS61232922A (ja) *	1985-04-07	1986-10-17	Morimasa Kobayashi	燃料タンク破損における燃料の飛散防止装置
US4880461A (en) *	1985-08-18	1989-11-14	Hitachi Metals, Ltd.	Super hard high-speed tool steel
US4765836A (en) *	1986-12-11	1988-08-23	Crucible Materials Corporation	Wear and corrosion resistant articles made from pm alloyed irons
SE457356C (sv) *	1986-12-30	1990-01-15	Uddeholm Tooling Ab	Verktygsstaal avsett foer kallbearbetning
JPS63110511U (fr) *	1987-01-13	1988-07-15
DE3815833A1 (de)	1988-05-09	1989-11-23	Seilstorfer Gmbh & Co Metallur	Korrosionsbestaendiger kaltarbeitsstahl und diesen kaltarbeitsstahl aufweisender stahlmatrix-hartstoff-verbundwerkstoff
AT393642B (de) *	1988-06-21	1991-11-25	Boehler Gmbh	Verwendung einer eisenbasislegierung zur pulvermetallurgischen herstellung von teilen mit hoher korrosionsbestaendigkeit, hoher verschleissfestigkeit sowie hoher zaehigkeit und druckfestigkeit, insbesondere fuer die kunststoffverarbeitung
US5066546A (en) *	1989-03-23	1991-11-19	Kennametal Inc.	Wear-resistant steel castings
CH680137A5 (fr) *	1989-12-22	1992-06-30	Htm Ag
IT1241490B (it) *	1990-07-17	1994-01-17	Sviluppo Materiali Spa	Acciaio rapido da polveri.
US5118341A (en) *	1991-03-28	1992-06-02	Alcan Aluminum Corporation	Machinable powder metallurgical parts and method
US5238482A (en) *	1991-05-22	1993-08-24	Crucible Materials Corporation	Prealloyed high-vanadium, cold work tool steel particles and methods for producing the same
JPH0544100U (ja) *	1991-11-13	1993-06-15	神田商事株式会社	パツチワークボード
JP3305357B2 (ja) *	1992-05-21	2002-07-22	東芝機械株式会社	耐食・耐摩耗性に優れた合金およびその製造方法ならびにその合金製造用材料
US5835842A (en) *	1993-05-20	1998-11-10	Toshiba Kikai Kabushiki Kaisha	Alloy having excellent corrosion resistance and abrasion resistance, method for producing the same and material for use in production of the same
US5522914A (en) *	1993-09-27	1996-06-04	Crucible Materials Corporation	Sulfur-containing powder-metallurgy tool steel article
US5679908A (en) *	1995-11-08	1997-10-21	Crucible Materials Corporation	Corrosion resistant, high vanadium, powder metallurgy tool steel articles with improved metal to metal wear resistance and a method for producing the same
US5900560A (en) *	1995-11-08	1999-05-04	Crucible Materials Corporation	Corrosion resistant, high vanadium, powder metallurgy tool steel articles with improved metal to metal wear resistance and method for producing the same
US5830287A (en) *	1997-04-09	1998-11-03	Crucible Materials Corporation	Wear resistant, powder metallurgy cold work tool steel articles having high impact toughness and a method for producing the same
US6057045A (en) *	1997-10-14	2000-05-02	Crucible Materials Corporation	High-speed steel article
US20060231167A1 (en) *	2005-04-18	2006-10-19	Hillstrom Marshall D	Durable, wear-resistant punches and dies
DE102005020081A1 (de)	2005-04-29	2006-11-09	Köppern Entwicklungs-GmbH	Pulvermetallurgisch hergestellter, verschleißbeständiger Werkstoff
SE0600841L (sv) *	2006-04-13	2007-10-14	Uddeholm Tooling Ab	Kallarbetsstål
US9132567B2 (en) *	2007-03-23	2015-09-15	Dayton Progress Corporation	Tools with a thermo-mechanically modified working region and methods of forming such tools
US8968495B2 (en) *	2007-03-23	2015-03-03	Dayton Progress Corporation	Methods of thermo-mechanically processing tool steel and tools made from thermo-mechanically processed tool steels
ATE556798T1 (de) *	2008-09-12	2012-05-15	Klein Ag L	Artikel aus pulvermetallurgischem, bleifreiem automatenstahl und herstellungsverfahren dafür
EP2933345A1 (fr) *	2014-04-14	2015-10-21	Uddeholms AB	Acier à outils pour travail à froid
US10704125B2 (en)	2015-11-09	2020-07-07	Crs Holdings, Inc.	Free-machining powder metallurgy steel articles and method of making same
EP3323902B1 (fr)	2016-11-22	2021-09-15	Deutsche Edelstahlwerke Specialty Steel GmbH & Co. KG	Matériau en acier contenant des particules dures, produit de la métallurgie des poudres, procédé de production d'un composant à partir d'un tel matériau d'acier et composant ainsi fabriqué
EP3323903B1 (fr)	2016-11-22	2019-08-07	Deutsche Edelstahlwerke Specialty Steel GmbH & Co. KG	Matériau en acier fabriqué par métallurgie des poudres, procédé de production d'un composant à partir d'un tel matériau en acier et composant fabriqué en matériau en acier
CN212351801U (zh)	2017-12-01	2021-01-15	米沃奇电动工具公司	用于驱动紧固件的工具头

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3150444A (en) *	1962-04-26	1964-09-29	Allegheny Ludlum Steel	Method of producing alloy steel
FR1470129A (fr) *	1966-02-25	1967-02-17	Iit Res Inst	Alliages de fer et leur procédé de fabrication
US3591349A (en) *	1969-08-27	1971-07-06	Int Nickel Co	High carbon tool steels by powder metallurgy
CA953540A (en) *	1970-08-28	1974-08-27	Hoganas Ab	High alloy steel powders and their consolidation into homogeneous tool steel
GB1443900A (en) *	1973-03-30	1976-07-28	Crucible Inc	Powder metallurgy tool steel article

1978
- 1978-09-20 US US05/944,514 patent/US4249945A/en not_active Expired - Lifetime
1979
- 1979-01-05 CA CA319,166A patent/CA1113284A/fr not_active Expired
- 1979-02-01 SE SE7900877A patent/SE446462B/sv not_active IP Right Cessation
- 1979-02-05 IT IT19891/79A patent/IT1192688B/it active
- 1979-02-15 KR KR7900468A patent/KR820002180B1/ko not_active Expired
- 1979-03-09 GB GB7908321A patent/GB2030175B/en not_active Expired
- 1979-04-04 JP JP54039913A patent/JPS5856022B2/ja not_active Expired
- 1979-05-03 AT AT0332479A patent/AT386226B/de not_active IP Right Cessation
- 1979-05-10 FR FR7911924A patent/FR2436824A1/fr active Granted
- 1979-05-15 LU LU81268A patent/LU81268A1/de unknown
- 1979-05-16 IN IN338/DEL/79A patent/IN152129B/en unknown
- 1979-05-17 MX MX797982U patent/MX7004E/es unknown
- 1979-09-17 ES ES484223A patent/ES484223A1/es not_active Expired
- 1979-09-18 DE DE2937724A patent/DE2937724C2/de not_active Expired
- 1979-09-19 DK DK391579A patent/DK155837C/da not_active IP Right Cessation
- 1979-09-20 NL NL7907018A patent/NL7907018A/nl active Search and Examination
- 1979-09-20 BE BE0/197228A patent/BE878892A/fr not_active IP Right Cessation

Also Published As

Publication number	Publication date
BE878892A (fr)	1980-01-16
NL7907018A (nl)	1980-03-24
FR2436824A1 (fr)	1980-04-18
CA1113284A (fr)	1981-12-01
DE2937724A1 (de)	1980-04-03
AT386226B (de)	1988-07-25
KR820002180B1 (ko)	1982-11-22
DE2937724C2 (de)	1983-04-21
FR2436824B1 (fr)	1985-05-24
IN152129B (fr)	1983-10-22
ES484223A1 (es)	1980-10-01
JPS5541980A (en)	1980-03-25
LU81268A1 (de)	1979-09-10
DK155837C (da)	1989-11-13
ATA332479A (de)	1987-12-15
GB2030175A (en)	1980-04-02
DK391579A (da)	1980-03-21
DK155837B (da)	1989-05-22
JPS5856022B2 (ja)	1983-12-13
SE7900877L (sv)	1980-03-21
GB2030175B (en)	1983-03-30
IT1192688B (it)	1988-05-04
US4249945A (en)	1981-02-10
IT7919891A0 (it)	1979-02-05
MX7004E (es)	1987-02-02

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1995-01-31

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