DK158795C - PROCEDURE FOR POWDER METAL SURGICAL PREPARATION OF A TOOL STEEL ART - Google Patents
PROCEDURE FOR POWDER METAL SURGICAL PREPARATION OF A TOOL STEEL ARTInfo
- Publication number
- DK158795C DK158795C DK231882A DK231882A DK158795C DK 158795 C DK158795 C DK 158795C DK 231882 A DK231882 A DK 231882A DK 231882 A DK231882 A DK 231882A DK 158795 C DK158795 C DK 158795C
- Authority
- DK
- Denmark
- Prior art keywords
- vanadium
- carbon
- percent
- max
- procedure
- Prior art date
Links
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
- B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
-
- 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%
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B27/00—Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Composite Materials (AREA)
- Manufacturing & Machinery (AREA)
- Powder Metallurgy (AREA)
- Manufacturing Of Micro-Capsules (AREA)
- Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
- Treatment Of Steel In Its Molten State (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Heat Treatment Of Articles (AREA)
- Metal Rolling (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
- Turning (AREA)
- Breeding Of Plants And Reproduction By Means Of Culturing (AREA)
Abstract
A powder metallurgy article, e.g., a hot working roll or tool or a high toughness cold work tool such as a shear blade or slitter knife, formed from compacted prealloyed powder of an alloy consiting of, in weight percent, manganese 0.2 to 1.5, silicon 2 max., chromium 1.5 to 6, molybdenum 0.50 to 6, sulfur 0.30 max., vanadium 7 to 10, carbon expressed by the formula (.25 minimum, .40 maximum + .16 x percent vanadium), optical carbide forming elements such as tungsten and niobium in amounts up to 5 percent (with the corresponding stoichiometric carbon required for balance) may partially replace vanadium, optional cobalt additions may be included for heat resistance and balance iron and incidental impurities; the article is characterised by a fully martensitic structure with essentially no carbon in the steel matrix in excess of the carbon necessary to combine with the vanadium present to form vanadium carbides and to ensure said fully martensitic structure.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US30604081A | 1981-09-28 | 1981-09-28 | |
| US30604081 | 1981-09-28 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DK231882A DK231882A (en) | 1983-03-29 |
| DK158795B DK158795B (en) | 1990-07-16 |
| DK158795C true DK158795C (en) | 1990-12-24 |
Family
ID=23183484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK231882A DK158795C (en) | 1981-09-28 | 1982-05-24 | PROCEDURE FOR POWDER METAL SURGICAL PREPARATION OF A TOOL STEEL ART |
Country Status (10)
| Country | Link |
|---|---|
| EP (1) | EP0076027B1 (en) |
| JP (1) | JPS5858255A (en) |
| KR (1) | KR840001456A (en) |
| AT (1) | ATE23567T1 (en) |
| CA (1) | CA1191039A (en) |
| DE (1) | DE3274261D1 (en) |
| DK (1) | DK158795C (en) |
| ES (1) | ES8305424A1 (en) |
| IN (1) | IN158518B (en) |
| MX (1) | MX159525A (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6029450A (en) * | 1983-07-26 | 1985-02-14 | Kanto Tokushu Seikou Kk | Tool steel for cold working |
| JPS6362845A (en) * | 1986-09-03 | 1988-03-19 | Daido Steel Co Ltd | Sintered tool steel |
| 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 |
| FR2767725B1 (en) * | 1997-09-01 | 1999-10-08 | Jean Claude Werquin | COMPOSITE WORKING CYLINDER FOR HOT & COLD ROLLING IN HIGH CARBON AND HIGH VANADIUM STEEL AND ITS MANUFACTURING METHOD BY CENTRIFUGAL CASTING |
| NL1016811C2 (en) | 2000-12-06 | 2002-06-13 | Skf Ab | Roller bearing comprising a part obtained with powder metallurgy technique. |
| US7288157B2 (en) * | 2005-05-09 | 2007-10-30 | Crucible Materials Corp. | Corrosion and wear resistant alloy |
| EP2933345A1 (en) * | 2014-04-14 | 2015-10-21 | Uddeholms AB | Cold work tool steel |
| CN113003576A (en) * | 2021-02-25 | 2021-06-22 | 邵阳学院 | Vanadium-niobium carbide nanosheet and preparation method and application thereof |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3150444A (en) * | 1962-04-26 | 1964-09-29 | Allegheny Ludlum Steel | Method of producing alloy steel |
| JPS52141406A (en) * | 1976-05-21 | 1977-11-25 | Kobe Steel Ltd | Tool steel containing nitrogen made by powder metallurgy |
| US4249945A (en) * | 1978-09-20 | 1981-02-10 | Crucible Inc. | Powder-metallurgy steel article with high vanadium-carbide content |
-
1982
- 1982-04-08 CA CA000400811A patent/CA1191039A/en not_active Expired
- 1982-05-24 DK DK231882A patent/DK158795C/en not_active IP Right Cessation
- 1982-06-25 ES ES513486A patent/ES8305424A1/en not_active Expired
- 1982-07-20 JP JP57125235A patent/JPS5858255A/en active Granted
- 1982-07-26 IN IN567/DEL/82A patent/IN158518B/en unknown
- 1982-08-02 DE DE8282304064T patent/DE3274261D1/en not_active Expired
- 1982-08-02 EP EP82304064A patent/EP0076027B1/en not_active Expired
- 1982-08-02 AT AT82304064T patent/ATE23567T1/en not_active IP Right Cessation
- 1982-08-16 MX MX194025A patent/MX159525A/en unknown
- 1982-09-28 KR KR1019820004373A patent/KR840001456A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| IN158518B (en) | 1986-11-29 |
| DE3274261D1 (en) | 1987-01-02 |
| JPH0140904B2 (en) | 1989-09-01 |
| EP0076027B1 (en) | 1986-11-12 |
| KR840001456A (en) | 1984-05-07 |
| MX159525A (en) | 1989-06-27 |
| EP0076027A2 (en) | 1983-04-06 |
| DK231882A (en) | 1983-03-29 |
| ATE23567T1 (en) | 1986-11-15 |
| ES513486A0 (en) | 1983-04-01 |
| JPS5858255A (en) | 1983-04-06 |
| ES8305424A1 (en) | 1983-04-01 |
| EP0076027A3 (en) | 1984-02-22 |
| CA1191039A (en) | 1985-07-30 |
| DK158795B (en) | 1990-07-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PBP | Patent lapsed |