JPS6323244B2 - - Google Patents
Info
- Publication number
- JPS6323244B2 JPS6323244B2 JP56079400A JP7940081A JPS6323244B2 JP S6323244 B2 JPS6323244 B2 JP S6323244B2 JP 56079400 A JP56079400 A JP 56079400A JP 7940081 A JP7940081 A JP 7940081A JP S6323244 B2 JPS6323244 B2 JP S6323244B2
- Authority
- JP
- Japan
- Prior art keywords
- rail
- cooling
- strength
- cooling rate
- rails
- 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.)
- Expired
Links
- 238000001816 cooling Methods 0.000 claims description 56
- 238000004519 manufacturing process Methods 0.000 claims description 15
- 229910052750 molybdenum Inorganic materials 0.000 claims description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
- 229910052804 chromium Inorganic materials 0.000 claims description 4
- 229910052710 silicon Inorganic materials 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 229910052748 manganese Inorganic materials 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 2
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 238000003466 welding Methods 0.000 description 19
- 238000000034 method Methods 0.000 description 14
- 239000000463 material Substances 0.000 description 11
- 238000010791 quenching Methods 0.000 description 11
- 238000005096 rolling process Methods 0.000 description 11
- 229910000831 Steel Inorganic materials 0.000 description 7
- 229910000734 martensite Inorganic materials 0.000 description 7
- 229910001562 pearlite Inorganic materials 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 238000005275 alloying Methods 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 230000000171 quenching effect Effects 0.000 description 6
- 229910000851 Alloy steel Inorganic materials 0.000 description 5
- 229910000975 Carbon steel Inorganic materials 0.000 description 5
- 239000010962 carbon steel Substances 0.000 description 5
- 238000005098 hot rolling Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000009466 transformation Effects 0.000 description 4
- 238000009826 distribution Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 2
- 238000003303 reheating Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 239000002436 steel type Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 229910000967 As alloy Inorganic materials 0.000 description 1
- 229910019582 Cr V Inorganic materials 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910001567 cementite Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006356 dehydrogenation reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- KSOKAHYVTMZFBJ-UHFFFAOYSA-N iron;methane Chemical compound C.[Fe].[Fe].[Fe] KSOKAHYVTMZFBJ-UHFFFAOYSA-N 0.000 description 1
- 230000009916 joint effect Effects 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- 239000003832 thermite Substances 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 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
- 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
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 Steel (AREA)
- Heat Treatment Of Articles (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7940081A JPS57198216A (en) | 1981-05-27 | 1981-05-27 | Manufacture of high-strength rail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7940081A JPS57198216A (en) | 1981-05-27 | 1981-05-27 | Manufacture of high-strength rail |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57198216A JPS57198216A (en) | 1982-12-04 |
| JPS6323244B2 true JPS6323244B2 (pl) | 1988-05-16 |
Family
ID=13688796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7940081A Granted JPS57198216A (en) | 1981-05-27 | 1981-05-27 | Manufacture of high-strength rail |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57198216A (pl) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63147454U (pl) * | 1987-03-17 | 1988-09-28 | ||
| JPH0912037A (ja) * | 1995-06-29 | 1997-01-14 | Maruzen Kogyo Kk | 封 筒 |
| WO2007111285A1 (ja) * | 2006-03-16 | 2007-10-04 | Jfe Steel Corporation | 耐遅れ破壊特性に優れた高強度パーライト系レール |
| JP2007277716A (ja) * | 2006-03-16 | 2007-10-25 | Jfe Steel Kk | 耐遅れ破壊特性に優れた高強度パーライト系レール |
| US9534278B2 (en) | 2012-06-14 | 2017-01-03 | Nippon Steel & Sumitomo Metal Corporation | Rail |
| CN107475609A (zh) * | 2017-08-09 | 2017-12-15 | 侯宇岷 | 一种耐磨钢棒用钢、耐磨钢棒及其制备方法 |
| US10047411B2 (en) | 2015-01-23 | 2018-08-14 | Nippon Steel & Sumitomo Metal Corporation | Rail |
| WO2020054339A1 (ja) | 2018-09-10 | 2020-03-19 | 日本製鉄株式会社 | レール、及びレールの製造方法 |
| WO2020189232A1 (ja) | 2019-03-15 | 2020-09-24 | 日本製鉄株式会社 | レール |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE899617A (fr) * | 1984-05-09 | 1984-11-09 | Centre Rech Metallurgique | Procede et dispositif perfectionnes pour la fabrication de rails. |
| DE3446794C1 (de) * | 1984-12-21 | 1986-01-02 | BWG Butzbacher Weichenbau GmbH, 6308 Butzbach | Verfahren zur Waermebehandlung perlitischer Schienenstaehle |
| JPS6256524A (ja) * | 1985-09-06 | 1987-03-12 | Nippon Steel Corp | 溶接性を付与した高強度レ−ルの製造法 |
| JPH0653916B2 (ja) * | 1986-07-16 | 1994-07-20 | 日本鋼管株式会社 | 不安定破壊伝播停止能力に優れた耐摩耗性高性能レ−ル |
| JPS6362846A (ja) * | 1986-09-03 | 1988-03-19 | Nippon Kokan Kk <Nkk> | 溶接部の耐軟化性に優れた低合金高強度レ−ル |
| JPH07107186B2 (ja) * | 1989-03-20 | 1995-11-15 | 日本鋼管株式会社 | 電気伝導性に優れた低合金高強度レール |
| EP0685566B2 (en) * | 1993-12-20 | 2013-06-05 | Nippon Steel & Sumitomo Metal Corporation | Rail of high abrasion resistance and high tenacity having pearlite metallographic structure and method of manufacturing the same |
| US5762723A (en) | 1994-11-15 | 1998-06-09 | Nippon Steel Corporation | Pearlitic steel rail having excellent wear resistance and method of producing the same |
| US6783610B2 (en) * | 2001-03-05 | 2004-08-31 | Amsted Industries Incorporated | Railway wheel alloy |
| JP4091910B2 (ja) * | 2001-05-30 | 2008-05-28 | 新日本製鐵株式会社 | レールの製造方法および製造設備 |
| US20040187981A1 (en) | 2002-04-05 | 2004-09-30 | Masaharu Ueda | Pealite base rail excellent in wear resistance and ductility and method for production thereof |
| 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 |
| JP5326343B2 (ja) * | 2008-04-28 | 2013-10-30 | 新日鐵住金株式会社 | 高内部硬度レールの製造方法 |
| JP5282506B2 (ja) * | 2008-09-25 | 2013-09-04 | Ｊｆｅスチール株式会社 | 耐摩耗性と耐疲労損傷性に優れた内部高硬度型パーライト鋼レールおよびその製造方法 |
| JP5493950B2 (ja) * | 2010-02-08 | 2014-05-14 | 新日鐵住金株式会社 | 耐摩耗性に優れたパーライトレールの製造方法 |
| BR112014026521B1 (pt) * | 2012-04-25 | 2019-06-18 | Jfe Steel Corporation | Método para fabricar um trilho de perlita por laminação a quente |
| BR112018073094A2 (pt) | 2016-05-19 | 2019-03-06 | Nippon Steel & Sumitomo Metal Corp | trilho |
| CN110423941B (zh) * | 2019-07-31 | 2021-01-22 | 攀钢集团攀枝花钢铁研究院有限公司 | 一种控制r260钢轨闪光焊接头马氏体组织的方法 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5047808A (pl) * | 1973-05-02 | 1975-04-28 | ||
| JPS55125231A (en) * | 1979-03-17 | 1980-09-26 | Nippon Steel Corp | Production of weldable low alloy heat treated hard top rail |
-
1981
- 1981-05-27 JP JP7940081A patent/JPS57198216A/ja active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5047808A (pl) * | 1973-05-02 | 1975-04-28 | ||
| JPS55125231A (en) * | 1979-03-17 | 1980-09-26 | Nippon Steel Corp | Production of weldable low alloy heat treated hard top rail |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63147454U (pl) * | 1987-03-17 | 1988-09-28 | ||
| JPH0912037A (ja) * | 1995-06-29 | 1997-01-14 | Maruzen Kogyo Kk | 封 筒 |
| WO2007111285A1 (ja) * | 2006-03-16 | 2007-10-04 | Jfe Steel Corporation | 耐遅れ破壊特性に優れた高強度パーライト系レール |
| JP2007277716A (ja) * | 2006-03-16 | 2007-10-25 | Jfe Steel Kk | 耐遅れ破壊特性に優れた高強度パーライト系レール |
| AU2007230254B2 (en) * | 2006-03-16 | 2010-12-02 | Jfe Steel Corporation | High-strength pearlitic steel rail having excellent delayed fracture properties |
| US9534278B2 (en) | 2012-06-14 | 2017-01-03 | Nippon Steel & Sumitomo Metal Corporation | Rail |
| US10047411B2 (en) | 2015-01-23 | 2018-08-14 | Nippon Steel & Sumitomo Metal Corporation | Rail |
| CN107475609A (zh) * | 2017-08-09 | 2017-12-15 | 侯宇岷 | 一种耐磨钢棒用钢、耐磨钢棒及其制备方法 |
| WO2020054339A1 (ja) | 2018-09-10 | 2020-03-19 | 日本製鉄株式会社 | レール、及びレールの製造方法 |
| WO2020189232A1 (ja) | 2019-03-15 | 2020-09-24 | 日本製鉄株式会社 | レール |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57198216A (en) | 1982-12-04 |
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