目录简介 | Contents
Foreword 1 Scope 2 Normative references 3 Terms and definitions 4 General requirements 5 Testing methods 6 Classification, observation and recording of magnetic particle indications 7 Retesting 8 Demagnetization 9 Quality grading 10 Magnetic particle testing of pressure equipments in use 11 Testing records and report Annex (Informative ) Waveforms of various magnetizing current, ammeter indications and conversion relationship Annex B (Informative) Typical magnetizing methods of various welded joints |