standard, titled "Brazed Aluminum Plate-fin Heat Exchangers," provides essential requirements for the mechanical design, materials, fabrication, and testing of these exchangers in the petroleum and natural gas industries. GlobalSpec Key Technical Guidelines technical summaries industry responses
Standard corrosion allowance is zero for aluminum and stainless steel components unless otherwise specified. Maintenance & Integrity: api 668 pdf
API provides free, read-only access to certain safety-related standards in their IBR Reading Room American Petroleum Institute | API material selection criteria mentioned in this standard? Because aluminum has no endurance limit, minimizing thermal
Because aluminum has no endurance limit, minimizing thermal cycling is critical to preventing premature failure. Document Versions Current Edition: The most recent version was released as API STD 668:2025 , superseding the 2018 edition. Supplemental Standards: API 668 is often used alongside the ALPEMA Standards Because aluminum has no endurance limit