Regarding surface inspection of chemical processing equipment
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For example, consider a storage tank device that is a pressure vessel, with Q345R as its main material, and is used to hold explosive substances. Do the welding joints of this device need to be subjected to magnetic particle testing? Also, are there any standards that specify under what operating conditions or circumstances the surface of the equipment must be inspected?
And it’s all at a 100% rate
There is also HG20584-2011............................
The fixed volume specification is the minimum requirement, and 150 is basically the same as that.
Sometimes it’s the technical requirements on the drawings.