X-ray inspection process---boiler manufacturing(1)
Radiation source and energy selection
When transmissing steel pressure equipment with different thickness W, the maximum pipe voltage allowed to be used shall be controlled within the range specified in the figure below. For pressure-bearing equipment with large variation in section thickness, the X-ray tube voltage specified in the following figure is allowed under the premise of ensuring the sensitivity requirement, but the tube voltage should not exceed 50KV.
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