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Regarding Class E welds in pressure pipelines

2016-05-16View Original

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Class E welds in pressure pipelines refer to the welds between pressure-bearing components and non-pressure-bearing components. . . . . . The fillet joints between stressed and unstressed components include the fillet welds that connect pipes, pipe fittings with brackets/suspension frames, and cladding plates; such welds are prefixed with E. I’d appreciate some guidance: what regulations specify this, or where can I find welding diagrams for such welds?
Reply #22016-05-16
I only remember that the welds are classified into A, B, C, D, and E categories; I can’t recall anything about pipes
Reply #32016-05-16
It’s on the device; check GB150
Reply #42016-05-17
Yes, I see it on the device, but my document clearly states that it’s a pipe. . . So I’m asking, is welding required between things like supports and pipes?
Reply #52016-05-17
The compressed elements refer to pipes, while the non-compressed elements refer to support and hanger components, right?
Reply #62016-05-17
Check the design and build according to the drawings; some things are necessary while others are not. ^_^

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