EP1050591A3 - Wärmebehandlungsverfahren zur Herstellung randschichtgehärteter Lang- und Flachprodukte aus unlegierten oder niedriglegierten Stählen - Google Patents
Wärmebehandlungsverfahren zur Herstellung randschichtgehärteter Lang- und Flachprodukte aus unlegierten oder niedriglegierten Stählen Download PDFInfo
- Publication number
- EP1050591A3 EP1050591A3 EP00108714A EP00108714A EP1050591A3 EP 1050591 A3 EP1050591 A3 EP 1050591A3 EP 00108714 A EP00108714 A EP 00108714A EP 00108714 A EP00108714 A EP 00108714A EP 1050591 A3 EP1050591 A3 EP 1050591A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- cooling
- unalloyed
- elongated
- workpiece
- treatment process
- 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.)
- Withdrawn
Links
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- 229910000831 Steel Inorganic materials 0.000 title 1
- 239000010959 steel Substances 0.000 title 1
- 238000007669 thermal treatment Methods 0.000 title 1
- 229910000734 martensite Inorganic materials 0.000 abstract 5
- 238000001816 cooling Methods 0.000 abstract 4
- 238000000034 method Methods 0.000 abstract 3
- 229910001566 austenite Inorganic materials 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 230000003252 repetitive effect Effects 0.000 abstract 1
- 230000009466 transformation Effects 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/06—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires
- C21D8/08—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires for concrete reinforcement
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/02—Hardening articles or materials formed by forging or rolling, with no further heating beyond that required for the formation
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/18—Hardening; Quenching with or without subsequent tempering
- C21D1/19—Hardening; Quenching with or without subsequent tempering by interrupted quenching
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D2221/00—Treating localised areas of an article
- C21D2221/10—Differential treatment of inner with respect to outer regions, e.g. core and periphery, respectively
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S148/00—Metal treatment
- Y10S148/902—Metal treatment having portions of differing metallurgical properties or characteristics
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Heat Treatment Of Articles (AREA)
- Heat Treatments In General, Especially Conveying And Cooling (AREA)
- Heat Treatment Of Steel (AREA)
Abstract
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19921286 | 1999-05-07 | ||
DE19921286A DE19921286A1 (de) | 1999-05-07 | 1999-05-07 | Wärmebehandlungsverfahren zur Herstellung randschichtgehärteter Lang- nd Flachprodukte aus unlegierten oder niedriglegierten Stählen |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1050591A2 EP1050591A2 (de) | 2000-11-08 |
EP1050591A3 true EP1050591A3 (de) | 2004-06-23 |
Family
ID=7907440
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00108714A Withdrawn EP1050591A3 (de) | 1999-05-07 | 2000-04-22 | Wärmebehandlungsverfahren zur Herstellung randschichtgehärteter Lang- und Flachprodukte aus unlegierten oder niedriglegierten Stählen |
Country Status (4)
Country | Link |
---|---|
US (1) | US6355119B1 (de) |
EP (1) | EP1050591A3 (de) |
JP (1) | JP2000328141A (de) |
DE (1) | DE19921286A1 (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
WO2009102848A1 (en) * | 2008-02-15 | 2009-08-20 | Dayton Progress Corporation | Methods of thermo-mechanically processing tool steel and tools made from thermo-mechanically processed tool steels |
US8518195B2 (en) * | 2012-01-20 | 2013-08-27 | GM Global Technology Operations LLC | Heat treatment for producing steel sheet with high strength and ductility |
CN106756504B (zh) * | 2016-12-28 | 2018-05-15 | 鞍钢集团(鞍山)铁路运输设备制造有限公司 | 一种球磨机衬板及其制作方法 |
CN107480328B (zh) * | 2017-07-04 | 2022-09-20 | 山东建筑大学 | 一种基于q&p工艺的碳配分理论计算方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1351423A (en) * | 1971-04-14 | 1974-05-01 | Koninklijke Hoogovens En Staal | Manufacture of profiled rod |
US4016009A (en) * | 1975-01-29 | 1977-04-05 | Centre De Recherches Metallurgiques-Centrum Voor Research In De Metallurgie | Producing rolled steel products |
DE2916218A1 (de) * | 1979-04-21 | 1980-10-23 | Florin Stahl Walzwerk | Verfahren zur herstellung von walzstahlerzeugnissen mit mehrschichtigem gefuegeaufbau |
GB2087927A (en) * | 1980-10-16 | 1982-06-03 | Arbed | Manufacture of rolled steel products having good weldability, a high elastic limit, and toughness at very low temperatures |
US4877463A (en) * | 1984-08-23 | 1989-10-31 | Dyckerhoff & Widmann Aktiengesellschaft | Method for producing rolled steel products, particularly threaded steel tension members |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4180418A (en) * | 1973-09-11 | 1979-12-25 | Stahlwerke Peine-Salzgitter A.G. | Method of making a steel wire adapted for cold drawing |
-
1999
- 1999-05-07 DE DE19921286A patent/DE19921286A1/de not_active Withdrawn
-
2000
- 2000-04-22 EP EP00108714A patent/EP1050591A3/de not_active Withdrawn
- 2000-05-02 JP JP2000133603A patent/JP2000328141A/ja not_active Withdrawn
- 2000-05-05 US US09/566,206 patent/US6355119B1/en not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1351423A (en) * | 1971-04-14 | 1974-05-01 | Koninklijke Hoogovens En Staal | Manufacture of profiled rod |
US4016009A (en) * | 1975-01-29 | 1977-04-05 | Centre De Recherches Metallurgiques-Centrum Voor Research In De Metallurgie | Producing rolled steel products |
DE2916218A1 (de) * | 1979-04-21 | 1980-10-23 | Florin Stahl Walzwerk | Verfahren zur herstellung von walzstahlerzeugnissen mit mehrschichtigem gefuegeaufbau |
GB2087927A (en) * | 1980-10-16 | 1982-06-03 | Arbed | Manufacture of rolled steel products having good weldability, a high elastic limit, and toughness at very low temperatures |
US4877463A (en) * | 1984-08-23 | 1989-10-31 | Dyckerhoff & Widmann Aktiengesellschaft | Method for producing rolled steel products, particularly threaded steel tension members |
Also Published As
Publication number | Publication date |
---|---|
EP1050591A2 (de) | 2000-11-08 |
DE19921286A1 (de) | 2000-11-09 |
JP2000328141A (ja) | 2000-11-28 |
US6355119B1 (en) | 2002-03-12 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US4448613A (en) | Divorced eutectoid transformation process and product of ultrahigh carbon steels | |
KR950704521A (ko) | 피로강도, 항복강도 및 피삭성이 우수한 열간단조용 강의 제조방법(Process for producing hot forging steel with excellent fatigue strength, yield strength and cuttability) | |
ATE292194T1 (de) | Verfahren zum herstellen von produkten aus ausscheidungsgehärtetem martensitischem nichtrostendem stahl und verwendung des verfahrens | |
JP4063865B2 (ja) | 高強度鋼構造部材の製造方法 | |
EP1050591A3 (de) | Wärmebehandlungsverfahren zur Herstellung randschichtgehärteter Lang- und Flachprodukte aus unlegierten oder niedriglegierten Stählen | |
Achary et al. | Microstructural development and austempering kinetics of ductile iron during thermomechanical processing | |
EP0974676A3 (de) | Verfahren zur thermomechanischen Behandlung von Stahl für torsionsbeanspruchte Federelemente | |
JP2001294935A (ja) | 靱性に優れた工具鋼の製造方法 | |
JP2002020849A (ja) | 超弾性合金の加工・熱処理方法 | |
JPH027366B2 (de) | ||
Barella et al. | A leap into the beginning of the metal age: recrystallization and carburizing | |
JPS5558330A (en) | Heat treating method of steam turbine rotor shaft | |
JPS5852532B2 (ja) | 一様伸び特性の優れた調質型高張力鋼の製造方法 | |
DE102022119286A1 (de) | Gestanzte komponenten mit verringerter warmumformzykluszeit | |
Lang et al. | Cyclic Properties of Differently Heat Treated PM-Steels | |
KR0138441B1 (ko) | 단조용 강재의 표면 경화방법 | |
CN116536485A (zh) | 耐磨高强度辊轧成形部件 | |
SU472985A1 (ru) | Способ обработки стали | |
JPH0526064U (ja) | 複合鋼刃物 | |
SU1184858A1 (ru) | СПОСОБ ИЗГОТОВЛЕНИЯ ПРОФИЛЕЙ ПРОКАТА, преимущественно трубчатых стоек плуга | |
SU1611951A1 (ru) | Способ термической обработки деталей из сталей перлитного класса | |
SU789606A1 (ru) | Способ термической обработки хромоникелевых сталей аустенитномартенситного класса | |
JPH11131182A (ja) | フレームハード用冷間工具鋼 | |
Güral et al. | Comparison of heat treatments on the toughness of 1.7 Ni-1.5 Cu-0.5 Mo pre-alloyed P/M steels | |
SU515807A1 (ru) | Способ термомеханической обработки штампов |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20000510 |
|
AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE |
|
AX | Request for extension of the european patent |
Free format text: AL;LT;LV;MK;RO;SI |
|
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
AK | Designated contracting states |
Kind code of ref document: A3 Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE |
|
AX | Request for extension of the european patent |
Extension state: AL LT LV MK RO SI |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: 7C 21D 1/02 - Ipc: 7C 21D 1/78 B Ipc: 7C 21D 8/08 B Ipc: 7C 21D 1/06 B Ipc: 7C 21D 1/19 A |
|
AKX | Designation fees paid | ||
REG | Reference to a national code |
Ref country code: DE Ref legal event code: 8566 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20041224 |