CA2148870A1 - Rail Excellent in Resistance to Rolling Fatigue Damage - Google Patents
Rail Excellent in Resistance to Rolling Fatigue DamageInfo
- Publication number
- CA2148870A1 CA2148870A1 CA 2148870 CA2148870A CA2148870A1 CA 2148870 A1 CA2148870 A1 CA 2148870A1 CA 2148870 CA2148870 CA 2148870 CA 2148870 A CA2148870 A CA 2148870A CA 2148870 A1 CA2148870 A1 CA 2148870A1
- Authority
- CA
- Canada
- Prior art keywords
- resistance
- rail
- rolling fatigue
- fatigue damage
- rail excellent
- 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.)
- Granted
Links
Abstract
A high-abrasion bainite rail excellent in a resistance to rolling fatigue and failure essentially consisting of 0.15 to 0.55 wt% of C, 0.05 to 1.0 wt%
of Si, 0.1 to 2.5 wt% of Mn, 0.03 wt% or less of P, 0.03 wt% or less of S, 0.1 to 3.0 wt% of Cr, 0.005 to 2.05 wt% of Mo, and the balance of iron and inevitable impurities. The head portion of the rail has a uniform bainite structure, and a hardness at any position of the head top portion and the head corner portion of the rail falls within the range of 240 to 400 in Vickers hardness Hv.
of Si, 0.1 to 2.5 wt% of Mn, 0.03 wt% or less of P, 0.03 wt% or less of S, 0.1 to 3.0 wt% of Cr, 0.005 to 2.05 wt% of Mo, and the balance of iron and inevitable impurities. The head portion of the rail has a uniform bainite structure, and a hardness at any position of the head top portion and the head corner portion of the rail falls within the range of 240 to 400 in Vickers hardness Hv.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP06096539A JP3114490B2 (en) | 1994-05-10 | 1994-05-10 | Low electric resistance rail with excellent rolling contact fatigue damage resistance |
JP6-096539 | 1994-05-10 |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2148870A1 true CA2148870A1 (en) | 1995-11-11 |
CA2148870C CA2148870C (en) | 1998-12-08 |
Family
ID=14167921
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA 2148870 Expired - Fee Related CA2148870C (en) | 1994-05-10 | 1995-05-08 | Rail excellent in resistance to rolling fatigue damage |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP3114490B2 (en) |
CA (1) | CA2148870C (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4795004B2 (en) * | 2005-11-28 | 2011-10-19 | 新日本製鐵株式会社 | Bainite rail |
US9127409B2 (en) | 2012-04-23 | 2015-09-08 | Nippon Steel & Sumitomo Metal Corporation | Rail |
US10233512B2 (en) | 2014-05-29 | 2019-03-19 | Nippon Steel & Sumitomo Metal Corporation | Rail and production method therefor |
CA2946548C (en) | 2014-05-29 | 2018-11-20 | Nippon Steel & Sumitomo Metal Corporation | Rail and production method therefor |
-
1994
- 1994-05-10 JP JP06096539A patent/JP3114490B2/en not_active Expired - Fee Related
-
1995
- 1995-05-08 CA CA 2148870 patent/CA2148870C/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP3114490B2 (en) | 2000-12-04 |
CA2148870C (en) | 1998-12-08 |
JPH07305144A (en) | 1995-11-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |