API 934A/C/E require that all welded joints including non-pressure to the vessel body should have full penetration joint design. I have seen many horizontal vessels/heat exchangers having saddles designed with wear plate, which is fillet welded to the vessel shell. Is this acceptable, or a good...
Roll bond clad is better than explosion bond, but is there any inspection/examination difference between them? Is roll bond more expensive than explosion bond?
Thanks.
Except standard B16.5/B16.47 WN and LWN flanges, self reinforced nozzles shall be SA-266.
Reading SA-105 closely, one will note that, except for flanges, materail supplied to this specification does not even have to be forged, it can be machined from hot rolled bars. Also, it is not clear what...
It is clear that SA-105 does not include tubesheet and cylindrical shell. I think SA-105 should not be used for integrally reinforced nozzle too, and SA-266 is the right one. Anybody has experience?
Thanks.
