This part of ISO 10893 specifies requirements for automated full peripheral ultrasonic shear wave (generated by conventional or phased array technique) testing of seamless and welded [except submerged arc-welded (SAW)] steel tubes, for the detection of longitudinal and/or transverse imperfections. Unless otherwise specified in the purchase order, the testing method is applicable to the detection of predominantly longitudinal imperfections. In the case of testing on longitudinal imperfections, Lamb wave testing can be applied at the discretion of the manufacturer. For seamless tubes, by agreement between the purchaser and manufacturer, testing principles of this part of ISO 10893 can be applied to detect imperfections having other orientations. This part of ISO 10893 is applicable to the inspection of tubes with an outside diameter greater than or equal to 10 mm, normally with an outside diameter-to-thickness ratio greater than or equal to 5. This part of ISO 10893 can also be applicable to the testing of circular hollow sections.
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