Could some one give me an insight as to what is the difference between "SS & SST" in terms of stainless steel material ie 416 SS & 416 SST.
My first instinct was that they were the same both SS and SST stands for stainless steel, just written in a fancy manner.
I may be wrong. If you feel so...
Quick question, could someone give some light how to define the PSL, PR and material class for HP fittings, valves, pipes etc.
For PSL level I currently use the flowchart in API 6 A.( Figure A.14 — Recommended minimum PSL for primary parts of wellhead and christmas tree equipment) again this...