SN EN 13262 : 2004 + A2 2011

1 Scope
2 Normative references
3 Product definition
  3.1 Chemical composition
       3.1.1 Values to be achieved
       3.1.2 Location of the sample
       3.1.3 Chemical analysis
  3.2 Mechanical characteristics
       3.2.1 Tensile test characteristics
       3.2.2 Hardness characteristics in the rim
       3.2.3 Impact test characteristics
       3.2.4 Fatigue characteristics
       3.2.5 Toughness characteristic of the rim
  3.3 Heat treatment homogeneity
       3.3.1 Values to be achieved
       3.3.2 Test pieces
       3.3.3 Test method
  3.4 Material cleanliness
       3.4.1 Micrographic cleanliness
       3.4.2 Internal integrity
  3.5 Residual stresses
       3.5.1 General
       3.5.2 Values to be achieved
       3.5.3 Test piece
       3.5.4 Measurement methods
  3.6 Surface characteristics
       3.6.1 Surface appearance
       3.6.2 Surface integrity
  3.7 Geometric tolerances
  3.8 Static imbalance
  3.9 Protection against corrosion
  3.10 Manufacturer's marking
Annex A (normative) Control of the hydrogen content in the steel
        for solid wheels at the melting stage
        A.1 Sampling
        A.2 Analysis methods
        A.3 Precautions
Annex B (informative) Example of test method for the determination
        of fatigue characteristics
        B.1 Test piece
        B.2 Test rig
        B.3 Test monitoring
        B.4 Analysis of results
Annex C (informative) Strain gauge method for determining the
        variations of circumferential residual stresses located
        deep under the tread (Destructive method)
        C.1 Principle of the method
        C.2 Procedure
        C.3 Calculation of the variation of the circumferential
            residual stress located deep under the tread
Annex D (informative) Ultrasonic method for determining the
        residual stresses in the rim (non-destructive method)
        D.1 Introduction
        D.2 Method of measurement
        D.3 Evaluation of results
Annex E (informative) Product qualification
        E.1 General
        E.2 Requirements
        E.3 Qualification procedure
        E.4 Qualification certificate
        E.5 Qualification file
Annex F (informative) Product delivery
        F.1 General
        F.2 Delivery condition
        F.3 Controls on each wheel
        F.4 Batch control
        F.5 Quality plan
        F.6 Allowable rectification
Annex ZA (informative) Clauses of this European Standard addressing
         essential requirements or other provisions of EU Directives
Bibliography

Defines the characteristics of railway wheels for use on European networks. Four steel grades, ER6, ER7, ER8 and ER9 are described in this standard.