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sklademVydáno: 2017-11-30
BS EN 13674-1:2011+A1:2017
Railway applications. Track. Rail Vignole railway rails 46 kg/m and above
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| Označení normy: | BS EN 13674-1:2011+A1:2017 |
| Počet stran: | 126 |
| Vydáno: | 2017-11-30 |
| ISBN: | 978 0 580 77848 3 |
| Status: | Standard |
DESCRIPTION
BS EN 13674-1:2011+A1:2017
This standard BS EN 13674-1:2011+A1:2017 Railway applications. Track. Rail is classified in these ICS categories:
- 45.080 Rails and railway components
- 93.100 Construction of railways
This European Standard specifies Vignole railway rails of 46 kg/m and greater linear mass, for conventional and high speed railway track usage.
Nine pearlitic steel grades are specified covering a hardness range of 200 HBW to 440 HBW and include non heat treated non alloy steels, non heat treated alloy steels, and heat treated non alloy steels and heat treated alloy steels .
There are 23 rail profiles specified in this standard.
Two classes of rail straightness are specified, differing in requirements for straightness, surface flatness and crown profile. Two classes of profile tolerances are specified.