superheater header. The unit is a heat recovery steam generator
designed to ASME Section I. While I have extensive experience with
P91 welding and heat treatment, however I am unfamiliar with Alloy
230. The purpose for using this nickle based alloy is to eliminate
oxidation damage and sagging of this particular drain line as it
typically has no flow during operation and therefore is uncooled. I
am looking for information from anyone who has experience with this
alloy and, better still, who has welded this particular couple.
Depending on material chosen for welding this dissimilar joint what
would be the metallurgical implications at the weld interface where
dilution effects and diffusion would be most pronounced. I do not
need catalog information. Thanks for any information.
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