This standard specifies the term definitions, principles, testing methods, comparison samples, testing equipment, procedures and result evaluation of round steel point coil eddy current testing. This standard applies to the eddy current flaw detection inspection of surface and near-surface defects of round steel (including steel wire) with a diameter of 2 to 100mm.
GB/T 17990-1999 history
2008GB/T 11260-2008 Round steel.The inspection method for eddy current test
1999GB/T 17990-1999 Round steel rods-The eddy current testing method with probe coil
GB/T 17990-1999 Round steel rods-The eddy current testing method with probe coil was changed to GB/T 11260-2008 Round steel.The inspection method for eddy current test.