Thanks for the response Steve.
The MDMT of the piping system is -20F.
In general, with the fittings already meeting the NACE requirements for hardness, S content, and Ni content, does the normalizing (or any heat treatment for that matter) just provide an additional level of performance...
Part of a project to expand a gas processing facility (H2S, CO2, and dehy) and there was a bit of a mix up where some small bore A105 fittings were installed where A105N fittings were specified. All of the fittings installed are compliant to NACE MR0175. It seems redundant to require A105N...