How to calculate the length of the weld that is enclosed by the opening
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In the process design of heat exchangers, it is necessary to determine the proportion of weld inspection based on the length that the weld is enclosed by the openings; however, how is this length of enclosure calculated? Is the method for calculating the length of enclosure for openings in the head the same as that for openings in the cylinder?
“It is necessary to determine the proportion of weld inspection based on the length of the weld that is enclosed by the hole?” May I ask what the rule here is?
Generally, this is taken into account during equipment design by adding non-destructive testing requirements for the welds in accordance with relevant standards when covering the main welds.