FR2281990B1 - - Google Patents

Info

Publication number: FR2281990B1
Authority: FR; France
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

Application number

FR7525216A

Other versions

FR2281990A1 (fr

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.)

Fried Krupp Huettenwerke AG

Original Assignee

Fried Krupp Huettenwerke AG

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.)

1974-08-16

Filing date

1975-08-13

Publication date

1980-04-30

1975-08-13 Application filed by Fried Krupp Huettenwerke AG filed Critical Fried Krupp Huettenwerke AG

1976-03-12 Publication of FR2281990A1 publication Critical patent/FR2281990A1/fr

1980-04-30 Application granted granted Critical

1980-04-30 Publication of FR2281990B1 publication Critical patent/FR2281990B1/fr

Status Granted legal-status Critical Current

Links

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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/56—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering characterised by the quenching agents
- C21D1/60—Aqueous agents
- 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
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/04—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for rails
- 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
- C21D1/62—Quenching devices
- C21D1/63—Quenching devices for bath quenching
- 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)
Physics & Mathematics (AREA)
Thermal Sciences (AREA)
Crystallography & Structural Chemistry (AREA)
Mechanical Engineering (AREA)
Materials Engineering (AREA)
Metallurgy (AREA)
Organic Chemistry (AREA)
Heat Treatment Of Articles (AREA)

FR7525216A 1974-08-16 1975-08-13 Procede de traitement thermique de rails Granted FR2281990A1 (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE2439338A DE2439338C2 (de)	1974-08-16	1974-08-16	Verfahren zur Wärmebehandlung von Schienen aus der Walzhitze

Publications (2)

Publication Number	Publication Date
FR2281990A1 FR2281990A1 (fr)	1976-03-12
FR2281990B1 true FR2281990B1 (fr)	1980-04-30

Family

ID=5923362

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR7525216A Granted FR2281990A1 (fr)	1974-08-16	1975-08-13	Procede de traitement thermique de rails

Country Status (12)

Country	Link
US (1)	US4082577A (fr)
JP (1)	JPS5166221A (fr)
AT (1)	AT357187B (fr)
BE (1)	BE832422A (fr)
BR (1)	BR7505219A (fr)
CA (1)	CA1058492A (fr)
DE (1)	DE2439338C2 (fr)
FR (1)	FR2281990A1 (fr)
GB (1)	GB1467576A (fr)
IT (1)	IT1041919B (fr)
SE (1)	SE425002B (fr)
ZA (1)	ZA754669B (fr)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2391282A1 (fr) *	1977-05-18	1978-12-15	Centre Rech Metallurgique	Procede de fabrication de rails a caracteristiques ameliorees
DE2730045C2 (de) *	1977-07-02	1984-11-08	Krupp Stahl Ag, 4630 Bochum	Verfahren zum Herstellen verschleißbeständiger Schienen und/oder Radwerkstoffen
JPS54148124A (en)	1978-05-12	1979-11-20	Nippon Steel Corp	Manufacture of high strength rall of excellent weldability
US4171233A (en) *	1978-05-22	1979-10-16	Bethlehem Steel Corporation	Lens quality of die steel
BE884443A (fr) *	1980-07-23	1981-01-23	Centre Rech Metallurgique	Perfectionnements aux procedes de fabrication de rails a haute resistance
AT375402B (de) *	1982-03-09	1984-08-10	Voest Alpine Ag	Verfahren zum waermebehandeln von schienen
CA1193176A (fr) *	1982-07-06	1985-09-10	Robert J. Ackert	Methode de production de rails de chemin de fer de meilleure qualite par refroidissement accelere a la sortie du laminoir
US4486248A (en) *	1982-08-05	1984-12-04	The Algoma Steel Corporation Limited	Method for the production of improved railway rails by accelerated cooling in line with the production rolling mill
DE3336006A1 (de) *	1983-10-04	1985-04-25	Krupp Stahl Ag, 4630 Bochum	Schiene mit hoher verschleissfestigkeit im kopf und hoher bruchsicherheit im fuss
DE3446794C1 (de) *	1984-12-21	1986-01-02	BWG Butzbacher Weichenbau GmbH, 6308 Butzbach	Verfahren zur Waermebehandlung perlitischer Schienenstaehle
EP0190448A1 (fr) *	1985-01-18	1986-08-13	Krupp Stahl AG	Procédé pour diminuer les tensions résiduelles de rails d'acier dressés par rouleaux
JPH0730401B2 (ja) *	1986-11-17	1995-04-05	日本鋼管株式会社	靭性の優れた高強度レ−ルの製造方法
US4895605A (en) *	1988-08-19	1990-01-23	Algoma Steel Corporation	Method for the manufacture of hardened railroad rails
AT402941B (de) *	1994-07-19	1997-09-25	Voest Alpine Schienen Gmbh	Verfahren und vorrichtung zur wärmebehandlung von profiliertem walzgut
IN191289B (fr)	1994-07-19	2003-11-01	Voest Alpine Schienen Gmbh
USRE41033E1 (en)	1994-11-15	2009-12-08	Nippn Steel Corporation	Pearlitic steel rail having excellent wear resistance and method of producing the same
JP5145795B2 (ja) *	2006-07-24	2013-02-20	新日鐵住金株式会社	耐摩耗性および延性に優れたパーライト系レールの製造方法
US7591909B2 (en) *	2007-08-23	2009-09-22	Transportation Technology Center, Inc.	Railroad wheel steels having improved resistance to rolling contact fatigue
US8075420B2 (en) *	2009-06-24	2011-12-13	Acushnet Company	Hardened golf club head
CN102899471B (zh) *	2012-10-17	2014-08-06	攀钢集团攀枝花钢铁研究院有限公司	贝氏体钢轨的热处理方法
WO2016006253A1 (fr)	2014-07-10	2016-01-14	Neturen Co., Ltd.	Appareil de chauffage et procédé de chauffage
JP6637649B2 (ja) *	2014-07-10	2020-01-29	高周波熱錬株式会社	加熱装置及び加熱方法
JP6637648B2 (ja) *	2014-07-10	2020-01-29	高周波熱錬株式会社	加熱装置及び加熱方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1178352A (en) *	1915-08-09	1916-04-04	Christer Peter Sandberg	Method of treating steel.
US1205998A (en) *	1916-03-20	1916-11-28	Edward F Kenney	Treating rails.
FR90024E (fr) *	1965-04-28	1967-09-29	Lorraine Escaut Sa	Procédé et installation de traitement thermique des rails

1974
- 1974-08-16 DE DE2439338A patent/DE2439338C2/de not_active Expired
1975
- 1975-07-21 ZA ZA00754669A patent/ZA754669B/xx unknown
- 1975-07-23 GB GB3081275A patent/GB1467576A/en not_active Expired
- 1975-08-13 FR FR7525216A patent/FR2281990A1/fr active Granted
- 1975-08-14 BE BE159193A patent/BE832422A/fr not_active IP Right Cessation
- 1975-08-14 SE SE7509130A patent/SE425002B/xx unknown
- 1975-08-14 AT AT633875A patent/AT357187B/de not_active IP Right Cessation
- 1975-08-14 US US05/604,862 patent/US4082577A/en not_active Expired - Lifetime
- 1975-08-15 JP JP50098676A patent/JPS5166221A/ja active Pending
- 1975-08-15 BR BR7505219*A patent/BR7505219A/pt unknown
- 1975-08-15 CA CA233,524A patent/CA1058492A/fr not_active Expired
- 1975-08-18 IT IT26405/75A patent/IT1041919B/it active

Also Published As

Publication number	Publication date
ATA633875A (de)	1979-11-15
ZA754669B (en)	1976-09-29
US4082577A (en)	1978-04-04
DE2439338C2 (de)	1980-08-28
SE7509130L (sv)	1976-02-17
AT357187B (de)	1980-06-25
DE2439338B1 (de)	1975-10-23
JPS5166221A (fr)	1976-06-08
BE832422A (fr)	1975-12-01
BR7505219A (pt)	1976-08-03
IT1041919B (it)	1980-01-10
SE425002B (sv)	1982-08-23
GB1467576A (en)	1977-03-16
FR2281990A1 (fr)	1976-03-12
CA1058492A (fr)	1979-07-17

Legal Events

Date	Code	Title	Description
1986-06-20	ST	Notification of lapse

Publication	Publication Date	Title
DK31575A (fr)	1975-09-22
FR2281990B1 (fr)	1980-04-30
FI53168B (fr)	1977-10-31
DK140279C (fr)	1979-12-10
FI752853A7 (fr)	1976-04-16
FI750728A7 (fr)	1975-09-15
FI750246A7 (fr)	1975-08-01
AU7459074A (fr)	1976-04-29
CS173869B1 (fr)	1977-03-31
AR197698Q (fr)	1974-04-30
AU6599874A (fr)	1975-08-28
DK82975A (fr)	1975-11-03
DD114175A1 (fr)	1975-07-12
BG19999A1 (fr)	1975-10-30
AU481360A (fr)	1976-01-22
AU479987A (fr)	1976-02-05
AU479765A (fr)	1975-11-13
AU480399A (fr)	1975-07-31
BG19746A1 (fr)	1975-10-10
AU480469A (fr)	1975-01-30
AU480659A (fr)	1977-02-08
DD121568A5 (fr)	1976-08-05
AU479758A (fr)	1975-08-14
AU480723A (fr)	1975-11-27
DD112816A1 (fr)	1975-05-05