1.1 This part of NB/T 47013 specifies the magnetic particle testing methods and quality grading requirements for the pressure equipment weld and its raw materials as well as the machined parts. 1.2 This part applies to the testing of the surface or near surface defects of the ferromagnetic material sheet, composite sheet, pipe, fittings and forgings, as well as the surface or near surface defects of the ferromagnetic material butt joint, T-type welded joint and corner joint. It is not applicable to the testing of the non-ferromagnetic materials. 1.3 The relevant bearing parts and structural parts of pressure equipment may also be subjected to magnetic particle testing with reference to this part.
Basic Data
Standard ID
NB/T 47013.4-2015 (NB/T47013.4-2015)
Description (Translated English)
Nondestructive testing of pressure equipment - Part 4: Magnetic particle testing
