This part of GB/T 33488 specifies the general requirements, technical classification, test preparation, transillumination implementation and test report of radiographic testing methods for plastic welding pressure-bearing equipment used in chemical industry. This part applies to thermoplastics such as polyethylene (PE), polypropylene (PP), polyvinyl chloride (PVC), acrylonitrile-butadiene-styrene (ABS) and modified polytetrafluoroethylene (PTFE). Radiographic inspection of pipes or plates, pressure vessels and pressure pipe welded joints welded by hot air welding, extrusion welding, electric fusion welding and hot fusion welding.
GB/T 33488.3-2017 Referenced Document
GB/T 19348.1 Non-destructive testing.Industrial radiographic film.Part 1:Classification of film systems for industrial radiography
GB/T 19348.2 Non-destructive testing-Industrial radiographic films-Part 2:Control of film processing by means of reference values
GB/T 23901.1 Non-destructive testing—Image quality of radiographs—Part 1: Determination of the image quality value using wire-type image quality indicators*， 2019-05-10 Update
GB/T 23901.2 Non-destructive testing—Image quality of radiographs—Part 2:Determination of the image quality value using step/hole-type image quality indicators*， 2019-06-04 Update
GB/T 26837 Non-destructive testing instruments.Stationary type and movable type industrial X-ray radiographic equipment
GB/T 33488.1 Test method of pressure equipments of thermoplastics welded for chemicals—Part 1: General requirements
GBZ 117 Standard for radiological protection in industrial radiography*， 2022-10-13 Update
JB/T 6220 Non-destructive testing instruments.The densimeter for radiography
GB/T 33488.3-2017 history
2017GB/T 33488.3-2017 Test method of pressure equipments of thermoplastics welded for chemicals—Part 3: Radiographic examination