PREN 13674-1 : DRAFT 2009

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Information to be supplied by the purchaser
5 Steel grades
6 Profile drawings/properties/mass
7 Manufacture
  7.1 Product integrity
  7.2 Blooms
  7.3 Rails
  7.4 Identification
      7.4.1 Branding
      7.4.2 Hot stamping
      7.4.3 Cold stamping
      7.4.4 Other identification
8 Qualifying tests
  8.1 Procedure
  8.2 Fracture toughness (K[Ic])
      8.2.1 Test pieces and test methods
      8.2.2 Qualifying criteria
  8.3 Fatigue crack growth rate
      8.3.1 Test method
      8.3.2 Test pieces
      8.3.3 Number of tests and test conditions
      8.3.4 Qualifying criteria
  8.4 Fatigue test
      8.4.1 Test method
      8.4.2 Test pieces
      8.4.3 Number of tests and test conditions
      8.4.4 Qualifying criteria
  8.5 Residual stress in rail foot
      8.5.1 Test method
      8.5.2 Test pieces
      8.5.3 Measurements
      8.5.4 Qualifying criteria
  8.6 Variation of centre line running surface
      hardness of heat treated rails
  8.7 Tensile strength and elongation
  8.8 Segregation
  8.9 Other qualifying requirements
9 Acceptance tests
  9.1 Laboratory tests
      9.1.1 General
      9.1.2 Sampling and preparation of samples
             and test pieces
      9.1.3 Chemical composition
      9.1.4 Microstructure
      9.1.5 Decarburisation
      9.1.6 Oxide cleanness
      9.1.7 Sulfur prints
      9.1.8 Hardness
      9.1.9 Tensile tests
      9.1.10 Retest procedures
  9.2 Dimension tolerances
      9.2.1 Profile
      9.2.2 Straightness, surface flatness and twist
      9.2.3 Cutting and drilling
  9.3 Gauges
  9.4 Inspection for internal quality and surface quality
      9.4.1 Internal quality
      9.4.2 Surface quality
      9.4.3 Checking of automated and other testing equipment
Annex A (normative) - Rail profiles
Annex B (normative) - Standard test method for the determination
        of the plane strain fracture toughness (K[Ic]) of rails
  B.1 Test methods
  B.2 Test pieces
  B.3 Number of tests
  B.4 Test conditions
  B.5 Analysis of test data
  B.6 Reporting of results
Annex C (normative) - Method for the determination of rail
        foot surface longitudinal residual stresses
  C.1 Procedure
  C.2 Strain gauges and their location
Annex D (normative) - Limiting sulfur prints
Annex E (normative) - Profile and drilling gauges
Annex ZA (informative) - Clauses of this European Standard
         addressing essential requirements or other
         provisions of EU Directives
Bibliography

Describes Vignole railway rails of 46 kg/m and greater linear mass, for general and high speed railway track usage.