Materials & Welding: Re: [MW:31379] Ground flush on weld seam required at intersection location

Tuesday, September 1, 2020

Re: [MW:31379] Ground flush on weld seam required at intersection location

ASME VIII-1 required to grind flush pressure-retaining welds in case those welds are going to be under reinforcing pads, saddles, manhole frames, lugs.

Also ASME VIII-1 in case a longitudinal weld is in an offset area, then this longitudinal weld must be flush with the parent metal

Temper bead reinforcement has also with the base metal.

Also, welds in expansion joints must be flush.

Another case are jacketed vessels made of work-hardened nickel. In case of welds subject to external pressure, they must be also flush

Στις Πέμ, 6 Αυγ 2020 στις 9:58 π.μ., ο/η 'Dinesh' via Materials & Welding <materials-welding@googlegroups.com> έγραψε:

Dear experts,

Generally, standards say that "The weld seam shall be ground flush for a distance 50 mm on all sides of the intersection".

What is exact technical reason to do for ground flush on weld seam required at intersection location?
Thanks

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