IN2014DN06937A - - Google Patents
Info
- Publication number
- IN2014DN06937A IN2014DN06937A IN6937DEN2014A IN2014DN06937A IN 2014DN06937 A IN2014DN06937 A IN 2014DN06937A IN 6937DEN2014 A IN6937DEN2014 A IN 6937DEN2014A IN 2014DN06937 A IN2014DN06937 A IN 2014DN06937A
- Authority
- IN
- India
- Prior art keywords
- head
- mns
- rail
- sulfides
- pearlite
- 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
- 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
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B5/00—Rails; Guard rails; Distance-keeping means for them
- E01B5/02—Rails
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/001—Ferrous alloys, e.g. steel alloys containing N
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/08—Ferrous alloys, e.g. steel alloys containing nickel
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/10—Ferrous alloys, e.g. steel alloys containing cobalt
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/16—Ferrous alloys, e.g. steel alloys containing copper
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/04—Removing impurities by adding a treating agent
- C21C7/06—Deoxidising, e.g. killing
-
- 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
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/002—Bainite
-
- 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
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/004—Dispersions; Precipitations
-
- 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
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/009—Pearlite
Abstract
IN THIS RAIL AT LEAST 95% OF THE STRUCTURE OF A HEAD CORNER PART AND A HEAD SURFACE PART WHICH CONSTITUTES A RANGE UP TO A DEPTH OF 20 MM USING THE SURFACE OF A HEAD TOP PART AS A STARTING POINT IS A PEARLITE OR BAINITE STRUCTURE. THE STRUCTURE IN A LATERAL CROSS SECTION OF THE RAIL CONTAINS 20 TO 200 MNS SULFIDES PER SQUARE MILLIMETER OF DETECTED AREA THE MNS BASED SULFIDES HAVING AL OXIDES AS NUCLEI AND MEASURING 1 TO 10 M IN GRAIN SIZE.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012097584 | 2012-04-23 | ||
PCT/JP2013/061857 WO2013161794A1 (en) | 2012-04-23 | 2013-04-23 | Rail |
Publications (1)
Publication Number | Publication Date |
---|---|
IN2014DN06937A true IN2014DN06937A (en) | 2015-04-10 |
Family
ID=49483106
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IN6937DEN2014 IN2014DN06937A (en) | 2012-04-23 | 2013-04-23 |
Country Status (9)
Country | Link |
---|---|
US (1) | US9127409B2 (en) |
EP (1) | EP2843074B1 (en) |
JP (1) | JP5459453B1 (en) |
CN (1) | CN104185690A (en) |
AU (1) | AU2013253561B2 (en) |
ES (1) | ES2671632T3 (en) |
IN (1) | IN2014DN06937A (en) |
RU (1) | RU2561947C1 (en) |
WO (1) | WO2013161794A1 (en) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9670570B2 (en) * | 2014-04-17 | 2017-06-06 | Evraz Inc. Na Canada | High carbon steel rail with enhanced ductility |
WO2015182759A1 (en) * | 2014-05-29 | 2015-12-03 | 新日鐵住金株式会社 | Rail and production method therefor |
US10233512B2 (en) | 2014-05-29 | 2019-03-19 | Nippon Steel & Sumitomo Metal Corporation | Rail and production method therefor |
CN104152810B (en) * | 2014-08-26 | 2016-08-17 | 武汉钢铁(集团)公司 | The chain link steel of a kind of forklift tire protection link network and production method |
CA2973858C (en) * | 2015-01-23 | 2019-09-03 | Nippon Steel & Sumitomo Metal Corporation | Rail |
CN107208239B (en) * | 2015-01-27 | 2018-11-09 | 新日铁住金株式会社 | Micro Alloying mechanical part wire rod, Micro Alloying mechanical part steel wire and Micro Alloying mechanical part |
JP6515278B2 (en) * | 2015-03-20 | 2019-05-22 | 日本製鉄株式会社 | Carbon steel slab and method of manufacturing carbon steel slab |
CN105040532B (en) * | 2015-07-23 | 2017-05-31 | 攀钢集团攀枝花钢铁研究院有限公司 | A kind of heavy haul railway rail and its production method and application |
WO2019189015A1 (en) | 2018-03-30 | 2019-10-03 | Jfeスチール株式会社 | Rail |
CN110592355B (en) * | 2019-09-27 | 2020-12-29 | 武汉钢铁有限公司 | Production method for reducing residual stress of heat-treated steel rail and steel rail obtained by production method |
JP7311785B2 (en) | 2019-12-24 | 2023-07-20 | 日本製鉄株式会社 | Melting method of Al-deoxidized steel |
Family Cites Families (33)
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US5209792A (en) * | 1990-07-30 | 1993-05-11 | Nkk Corporation | High-strength, damage-resistant rail |
DE4200545A1 (en) * | 1992-01-11 | 1993-07-15 | Butzbacher Weichenbau Gmbh | TRACK PARTS AND METHOD FOR THE PRODUCTION THEREOF |
AU663023B2 (en) * | 1993-02-26 | 1995-09-21 | Nippon Steel Corporation | Process for manufacturing high-strength bainitic steel rails with excellent rolling-contact fatigue resistance |
GB9313060D0 (en) * | 1993-06-24 | 1993-08-11 | British Steel Plc | Rails |
US5759299A (en) | 1994-05-10 | 1998-06-02 | Nkk Corporation | Rail having excellent resistance to rolling fatigue damage and rail having excellent toughness and wear resistance and method of manufacturing the same |
JP3114490B2 (en) * | 1994-05-10 | 2000-12-04 | 日本鋼管株式会社 | Low electric resistance rail with excellent rolling contact fatigue damage resistance |
JPH0892696A (en) * | 1994-09-26 | 1996-04-09 | Nippon Steel Corp | High strength bainitic rail |
JP3063543B2 (en) | 1994-09-27 | 2000-07-12 | 日本鋼管株式会社 | High-strength rail excellent in compatibility with wheels and method of manufacturing the same |
JP3267124B2 (en) | 1994-09-27 | 2002-03-18 | 日本鋼管株式会社 | High-strength rail excellent in delayed fracture resistance, wear resistance and toughness, and a method for manufacturing the same |
JP3368309B2 (en) * | 1994-10-06 | 2003-01-20 | 新日本製鐵株式会社 | High-strength pearlitic rail with excellent toughness and ductility, and method for producing the same |
JP3113184B2 (en) | 1995-10-18 | 2000-11-27 | 新日本製鐵株式会社 | Manufacturing method of pearlite rail with excellent wear resistance |
JP3078461B2 (en) | 1994-11-15 | 2000-08-21 | 新日本製鐵株式会社 | High wear-resistant perlite rail |
JPH08246100A (en) | 1995-03-07 | 1996-09-24 | Nippon Steel Corp | Pearlitic rail excellent in wear resistance and its production |
RU2139946C1 (en) * | 1996-04-15 | 1999-10-20 | Ниппон Стил Корпорейшн | Rails from low-alloyed heat-treated perilit steel featuring high wear resistance and weldability and method of their production |
JPH09296254A (en) | 1996-05-08 | 1997-11-18 | Nkk Corp | High strength bainitic steel rail excellent in flaking damage resistance and its production |
AT407057B (en) | 1996-12-19 | 2000-12-27 | Voest Alpine Schienen Gmbh | PROFILED ROLLING MATERIAL AND METHOD FOR THE PRODUCTION THEREOF |
JP4598265B2 (en) | 2000-06-14 | 2010-12-15 | 新日本製鐵株式会社 | Perlite rail and its manufacturing method |
JP3769218B2 (en) * | 2001-04-04 | 2006-04-19 | 新日本製鐵株式会社 | Low segregation pearlite rail with excellent wear resistance and ductility |
JP2002363697A (en) * | 2001-06-07 | 2002-12-18 | Nippon Steel Corp | Rail having excellent rolling fatigue damage resistance and fracture resistance, and production method therefor |
JP2002363698A (en) * | 2001-06-07 | 2002-12-18 | Nippon Steel Corp | Rail having excellent rolling fatigue damage resistance and wear resistance, and production method therefor |
JP2003105499A (en) * | 2001-09-28 | 2003-04-09 | Nippon Steel Corp | Pearlitic rail having excellent toughness and ductility, and production method therefor |
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EP1637618B1 (en) * | 2003-05-27 | 2010-07-14 | Nippon Steel Corporation | Method for manufacturing high strength steel sheets with excellent resistance to delayed fracture after forming |
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CZ14602U1 (en) * | 2004-06-22 | 2004-08-16 | Dtávýhybkárnaáaámostárnaáa@Ás | Steel for castings of railway and streetcar points frogs |
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CA2734980C (en) | 2008-10-31 | 2014-10-21 | Nippon Steel Corporation | Pearlite rail having superior abrasion resistance and excellent toughness |
US8469284B2 (en) | 2009-02-18 | 2013-06-25 | Nippon Steel & Sumitomo Metal Corporation | Pearlitic rail with excellent wear resistance and toughness |
EP2361995B2 (en) * | 2009-08-18 | 2022-12-14 | Nippon Steel & Sumitomo Metal Corporation | Pearlite rail |
KR101322534B1 (en) * | 2010-03-11 | 2013-10-28 | 신닛테츠스미킨 카부시키카이샤 | High-strength steel and high-strength bolt with excellent resistance to delayed fracture, and manufacturing method therefor |
-
2013
- 2013-04-23 JP JP2013540149A patent/JP5459453B1/en active Active
- 2013-04-23 IN IN6937DEN2014 patent/IN2014DN06937A/en unknown
- 2013-04-23 AU AU2013253561A patent/AU2013253561B2/en active Active
- 2013-04-23 EP EP13781725.0A patent/EP2843074B1/en active Active
- 2013-04-23 WO PCT/JP2013/061857 patent/WO2013161794A1/en active Application Filing
- 2013-04-23 ES ES13781725.0T patent/ES2671632T3/en active Active
- 2013-04-23 CN CN201380014623.8A patent/CN104185690A/en active Pending
- 2013-04-23 US US14/382,693 patent/US9127409B2/en active Active
- 2013-04-23 RU RU2014137250/02A patent/RU2561947C1/en active
Also Published As
Publication number | Publication date |
---|---|
RU2561947C1 (en) | 2015-09-10 |
EP2843074A4 (en) | 2015-12-02 |
WO2013161794A1 (en) | 2013-10-31 |
CN104185690A (en) | 2014-12-03 |
EP2843074B1 (en) | 2018-03-21 |
JPWO2013161794A1 (en) | 2015-12-24 |
AU2013253561B2 (en) | 2014-12-18 |
US9127409B2 (en) | 2015-09-08 |
AU2013253561A1 (en) | 2014-09-11 |
JP5459453B1 (en) | 2014-04-02 |
US20150069141A1 (en) | 2015-03-12 |
ES2671632T3 (en) | 2018-06-07 |
EP2843074A1 (en) | 2015-03-04 |
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