scope:

This standard:

- defines the forces and moments to be taken into account with reference to masses, traction and braking conditions;

- gives the stress calculation method for axles with outside axle journals;

- specifies the maximum permissible stresses to be assumed in calculations for steel grade EA1N defined in EN 13261;

- describes the method for determination of the maximum permissible stresses for other steel grades;

- determines the diameters for the various sections of the axle and recommends the preferred shapes and transitions to ensure adequate service performance.

This standard is applicable to:

- solid and hollow powered axles for railway rolling stock;

- solid and hollow non-powered axles of motor bogies;

- solid and hollow non-powered axles of locomotives³;

- axles defined in prEN 13261;

- all gauges⁴.

³ In France, the interpretation of the term "locomotive" includes locomotives, locomoteurs or locotracteurs.

⁴ If the gauge is not standard, certain formulae need to be adapted