Gents and Girls,
I found the answer. MR 0175 applies to buried pipelines and oii/gas surface facilities, whereas MR0103 applies to refinery piping. The latter is somewhat relaxed standard than MR 0175.
For buried sour gas pipeline material selection, I was using NACE MR0175, which allows the use of SS 304, with some restrictions. However, I was told that that this Standards is only for refinery/plant piping(above ground), and that another NACE standard is written specifically for buried...
For buried sour gas pipeline material selection, I was using NACE MR0175, which allows the use of SS 304, with some restrictions. However, I was told that that this Standards is only for refinery/plant piping(above ground), and that another NACE standard is written specifically for buried...
