ONORM EN 14811 : 2010
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
RAILWAY APPLICATIONS - TRACK - SPECIAL PURPOSE RAIL - GROOVED AND ASSOCIATED CONSTRUCTION
01-08-2019
12-01-2013
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Information to be supplied by the purchaser
5 Steel grades
6 Dimensions, static properties, linear mass and tolerances
7 Manufacture
7.1 Product integrity
7.1.1 Factory production control
7.1.2 Best practice manufacture
7.2 Blooms
7.3 Grooved rails and associated construction rail profiles
7.4 Marking
7.4.1 Rolling marks
7.4.2 Hot stamping
7.4.3 Other identification
7.4.4 Exceptions
8 Acceptance tests
8.1 Laboratory tests
8.1.1 General
8.1.2 Chemical composition
8.1.3 Hydrogen
8.1.4 Hardness test
8.1.5 Tensile test
8.1.6 Retests
8.2 Dimensional and straightness tolerances
8.2.1 Profile
8.2.2 Straightness and twist
8.2.3 Cutting and drilling
8.2.4 Gauges
8.3 Surface imperfections
8.3.1 General
8.3.2 Protrusions
8.3.3 Depressions in the web and foot
8.3.4 Depressions in the running surface
8.4 Surface microstructural damage
8.5 Proving and dressing of surface imperfections
8.6 Determination of the linear mass
Annex A (normative) Grooved rail profiles and associated
construction rail profiles
Annex B (normative) Gauges
Annex C (informative) Holes in grooved rails
Annex D (informative) Electric repair welding and electric
conductivity of the rails
Bibliography
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