This Part of EN 10246 specifies requirements for automatic eddy current testing of seamless and welded austenitic and austenitic-ferritic steel tubes with the exception of submerged arc-welded (SAW) tubes for verification of hydraulic leak-tightness. The standard specifies acceptance levels, calibration procedures and gives guidance on the limitations of the tests. This Part of EN 10246 is applicable to the inspection of tubes with an outside diameter equal to or greater than 4 mm. European Standard EN 10246 " Non-destructive testing of steel tubes" comprises the parts shown in Annex A.