Mobile X-ray flaw detectors. Specail design X-ray system. The mobile X-ray flaw detectors can be used in non destructive testing ( NDT )of casting parts, welded parts and other the parts made of metal and non-metal materials, in purpose to find inner defects such as slag inclusion , crack , pinhole, incomplete penetration, incomplete fusion and so on. Mobile X-ray flaw detectors have been used in ...