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Does ASME Sect IV allow the use of Stainless Steel Flanges on a carbon steel hot water heater? Or is there a code case available for use? Using the tables HF-200 and HLW-300 the stainless material isn't listed but we have been using it for years, today someone mentioned it not being listed in...

gtaw: That is the only thing I saw too, with our weld procedures, 1/2" max weld pass, the 9/16" fillet would be laid down in 2 or 3 passes... Thank You

OK thank you!

First off I don't know if I should post here or on Pressure Vessel and Boiler forum, but anyways... I have a 10" sch. 40 pipe and a slip-on flange for use in ASME Sect VIII, Div 1. The fillet weld on the outside of the pipe to flange is calc'ed at 9/16"... Is there anything that limits the...

Is there some where in ASME code, specifically Section IV or VIII that says the calculations should have the job number, Applicable Code Edition, Company Name, etc on a cover page or something of that nature attached to the applicable calcs?

The shop I work for is currently had this question came up about; is there anything specific in Code that says how big a hole can be when compared to the nozzle that will go in that hole. For instance a 2" pipe, OD is 2.875" the hole diameter that was cut is say 3.5" is there anything in code...

Ok, and we agree on that as well, I guess our real question is then: When should we be writing an ASME NCR? We understand they should be written when the vessel doesn't comply with code, but specificly when is that? When the vessel fails xray, when a head cracks during forming, when the long...

Hi, we are working on our QC Manual and are discussing the Non-Conformity section. The issue we are having is when are we required to write a NCR. We understand that it is when the vessel does not comply with Section VIII, as some argue it doesn't comply when it fails x-ray, others say it does...

Thanks guys, much appreciated.

Using carbon steel for a Sect. VIII Div 1, pressure vessel. Wondering if the slab number has to be recorded and kept?