Within the E&P industry, production units are typically mass produced with code-stamped separators of varying sizes (typically 20 to 30" diameter and varying length). Although the separators are code-stamped, the manufacturer will usually include a fuel gas scrubber (knockout pot) in the skid...
I am evaluating a vessel constructed in 1974. The manufacturer's data report and construction drawing indicate that the shell cans are SA-387-C. Is this equivalent to SA-387 Gr.11? I have searched USC-23 in the 1975 ASME Section VIII and do not find Grade C.