: Preventing the formation of liquid water by maintaining a dry air environment.
"If my material meets NACE TM0177, it passes SP0170." Truth: Not always. TM0177 is a test method (e.g., Method A for tensile testing). SP0170 is a materials selection standard that references specific test results. You must meet the acceptance criteria defined in SP0170, not just run the test. nace sp0170 pdf 2021
The standard outlines several proven methods to protect vulnerable alloys during refinery downtime, including the shutdown and startup phases. NACE SP0170-2018 : Preventing the formation of liquid water by
: Covers austenitic stainless steels (300 series) and other austenitic alloys (e.g., Alloy 600, 800, 825) used in refinery services where sulfide scales can form. Protection Methods : nace sp0170 pdf 2021
