ZA754669B - Process for the heat treatment of rails - Google Patents
Process for the heat treatment of railsInfo
- Publication number
- ZA754669B ZA754669B ZA00754669A ZA754669A ZA754669B ZA 754669 B ZA754669 B ZA 754669B ZA 00754669 A ZA00754669 A ZA 00754669A ZA 754669 A ZA754669 A ZA 754669A ZA 754669 B ZA754669 B ZA 754669B
- Authority
- ZA
- South Africa
- Prior art keywords
- rails
- heat treatment
- treatment
- heat
- Prior art date
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)
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 (1)
Publication Number | Publication Date |
---|---|
ZA754669B true ZA754669B (en) | 1976-09-29 |
Family
ID=5923362
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA00754669A ZA754669B (en) | 1974-08-16 | 1975-07-21 | Process for the heat treatment of rails |
Country Status (12)
Country | Link |
---|---|
US (1) | US4082577A (de) |
JP (1) | JPS5166221A (de) |
AT (1) | AT357187B (de) |
BE (1) | BE832422A (de) |
BR (1) | BR7505219A (de) |
CA (1) | CA1058492A (de) |
DE (1) | DE2439338C2 (de) |
FR (1) | FR2281990A1 (de) |
GB (1) | GB1467576A (de) |
IT (1) | IT1041919B (de) |
SE (1) | SE425002B (de) |
ZA (1) | ZA754669B (de) |
Families Citing this family (23)
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 (en) * | 1982-07-06 | 1985-09-10 | Robert J. Ackert | Method for the production of improved railway rails by accelerated colling in line with the production rolling mill |
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 (de) * | 1985-01-18 | 1986-08-13 | Krupp Stahl AG | Verfahren zur Verminderung der Eigenspannungen rollengerichteter Stahlschienen |
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 (de) | 1994-07-19 | 2003-11-01 | Voest Alpine Schienen Gmbh | |
EP0754775B1 (de) | 1994-11-15 | 2001-10-10 | Nippon Steel Corporation | Perlitschiene mit hoher abriebfestigkeit und verfahren zu deren herstellung |
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 |
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 |
EP3167688B1 (de) | 2014-07-10 | 2019-11-27 | Neturen Co., Ltd. | Heizvorrichtung und heizverfahren |
Family Cites Families (3)
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 AT AT633875A patent/AT357187B/de not_active IP Right Cessation
- 1975-08-14 SE SE7509130A patent/SE425002B/xx unknown
- 1975-08-14 US US05/604,862 patent/US4082577A/en not_active Expired - Lifetime
- 1975-08-14 BE BE159193A patent/BE832422A/xx not_active IP Right Cessation
- 1975-08-15 JP JP50098676A patent/JPS5166221A/ja active Pending
- 1975-08-15 CA CA233,524A patent/CA1058492A/en not_active Expired
- 1975-08-15 BR BR7505219*A patent/BR7505219A/pt unknown
- 1975-08-18 IT IT26405/75A patent/IT1041919B/it active
Also Published As
Publication number | Publication date |
---|---|
FR2281990B1 (de) | 1980-04-30 |
AT357187B (de) | 1980-06-25 |
DE2439338C2 (de) | 1980-08-28 |
SE425002B (sv) | 1982-08-23 |
GB1467576A (en) | 1977-03-16 |
BE832422A (fr) | 1975-12-01 |
BR7505219A (pt) | 1976-08-03 |
SE7509130L (sv) | 1976-02-17 |
ATA633875A (de) | 1979-11-15 |
CA1058492A (en) | 1979-07-17 |
FR2281990A1 (fr) | 1976-03-12 |
DE2439338B1 (de) | 1975-10-23 |
JPS5166221A (de) | 1976-06-08 |
US4082577A (en) | 1978-04-04 |
IT1041919B (it) | 1980-01-10 |
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