This part of ISO 10893 specifies requirements for automated full peripheral magnetic flux leakage testing of seamless and welded ferromagnetic steel tubes, with the exception of submerged arc-welded (SAW) tubes, for the detection of imperfections. Unless otherwise specified in the purchase order, this part of ISO 10893 is applicable to the detection of predominantly longitudinal imperfections. This part of ISO 10893 is applicable to the inspection of tubes with an outside diameter equal to or greater than 10 mm. This part of ISO 10893 can also be applicable to the testing of hollow sections.