NEN EN 13981-1 : 2003

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Ordering information
5 Requirements
   5.1 Production and manufacturing processes
   5.2 Quality assurance
   5.3 Alloys, chemical composition and tempers
   5.4 Mechanical properties of extruded products
       5.4.1 Mechanical properties of extruded products
             under static loading
       5.4.2 Mechanical properties of extruded products
             under cyclic loading
   5.5 Mechanical properties of welded joints
       5.5.1 General
       5.5.2 Mechanical properties of welded joints
             under static loading
       5.5.3 Mechanical properties of welded joints
             under cyclic loading
   5.6 Extrusion seams
   5.7 Internal walls of hollow profiles
   5.8 Freedom from surface defects
   5.9 Tolerances on dimensions and form
6 Qualification procedures
   6.1 First-off article approval procedure
   6.2 Additional qualification procedure
7 Sampling and test methods
   7.1 General
   7.2 Analysis of chemical composition
   7.3 Tensile test (longitudinal)
   7.4 Preparation of test pieces for the testing of welded
        joints
   7.5 Tensile testing on welded joints
   7.6 Fatigue testing (parent material and welded joints)
   7.7 Metallographic testing
   7.8 Verification of soundness of extrusion seams
   7.9 Verification of soundness of internal walls
   7.10 Visual inspection
   7.11 Measurement of dimensions
8 Traceability
9 Marking of products
10 Declaration of conformity
11 Record keeping
12 Packaging
13 Application and use
14 Complaints of non-conformity
Annex A (normative) Bend test procedure
    A.1 Test piece for bend test
    A.2 Test
    A.3 Acceptance criteria
Annex B (normative) Mechanical properties of alloy EN AW-6008
Annex C (normative) Test pieces for fatigue testing
Annex D (informative) Guidelines for application and use
    D.1 Selection of alloys
        D.1.1 EN AW-6082 and EN AW-6061
        D.1.2 EN AW-6005A
        D.1.3 EN AW-6005
        D.1.4 EN AW-6008
        D.1.5 EN AW-6060, EN AW-6063 and EN AW-6106
        D.1.6 EN AW-5083
        D.1.7 EN AW-5754
    D.2 Fatigue Design
    D.3 Welding
Bibliography

Gives requirements for extruded products (rod/bar, tube, profiles) which contribute to the structural properties of the railcar bodyshell and other major structural components.