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