JB/T 4730.4-2005 Nondestructive testing of pressure equipments Part 4:Magnetic particle testing (Text of Document is in English)

01/11/2005

26P

$80.00 USD

Contents
Foreword
1 Scope
2 Normative References
3 General Requirements
4 Testing methods
5 Classifications and Record of Magnetic Trace Indications
6 Retesting
7 Demagnetization
8 Magnetic Particles Testing on Pressure Equipments
9 Quality Classification of Magnetic Particle Testing
10 Magnetic Particle Testing Report
Annex A (Informative) Various Waveforms of Magnetizing Current, Ammeter Indication and Conversion Relation
Annex B (Informative) Typical Magnetization Method of Welded Joint