Pipeline design issues: how is the coefficient for pipe weld joints taken into account?
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Regarding pipeline design issues, in accordance with GB50316-2000, how is the coefficient for pipe welding joints determined? For seamless pipes, should a value of 1.0 be used, or is it determined based on the structure of the circumferential welds and the inspection ratio? Thank you for your guidance
The welding joint coefficient for seamless pipes is taken as 1, while welded pipes are selected in accordance with Table 3.2.5 of GB50316
You have already found the standards, and they are included in these standards as well. . . How else can it be determined?
There should be relevant standards for this; refer to the answer above
The standard doesn’t specify whether the weld should be a longitudinal seam, a circumferential seam, or a spiral seam; that’s why I’m asking.
I’m wondering that, since the welding joint factor is a key safety element for pressure pipelines or equipment, and seamless steel pipes involve numerous welds, it’s not possible to apply a welding factor of 1.0 to all of them, right? I’d like to ask everyone for advice