... has a high defect detection sensitivity in metal tubes, rods, wire, wire, profiles of the defects such as ... Auto Parts2,Brass, steel, stainless steel pipe, welded pipe, aluminum tube, steel wire, double pipe, copper Clad Aluminium, Copper Clad Steel, Metals such as ... nondestructive testing3,Nondestructive testing such as Oil casing, sucker rods, hollow shaft4,Detection such as Condenser tubes, air ...