The standard NACE SP0170-2018 (reaffirmed and active through 2021) is the industry's safeguard against one of the refinery world’s most aggressive "silent" threats: Polythionic Acid Stress Corrosion Cracking (PTA SCC). The Story of a Refinery Shutdown
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Industry professionals following SP0170 typically employ one or more of the following primary protection methods: Nitrogen Purging The standard NACE SP0170-2018 (reaffirmed and active through
NACE SP0170 (2021) serves as a critical industry standard for protecting austenitic stainless steel equipment from polythionic acid stress corrosion cracking (PTA SCC) during refinery shutdowns. The practice outlines essential mitigation techniques, including nitrogen blanketing and alkaline washing, to prevent failures in sensitized stainless steel. While foundational for safety, modern discussions analyze its application alongside advanced, resistant materials. For further technical details, visit GlobalSpec. Corrosion Prevention : Standards like NACE SP0170 are