GB/T 39077-2024
ActiveTest methods for detecting detrimental phase in austenitic-ferritic (duplex) stainless steels
奥氏体-铁素体（双相）不锈钢中有害相的检测方法
Application Summary AI generated
This standard specifies test methods for detecting detrimental phases, such as sigma and chi phases, in duplex stainless steels, which can impair corrosion resistance and mechanical properties. It is applied in the petroleum, chemical, and marine industries for quality control during manufacturing and inspection of pipes, fittings, and pressure vessels. The standard ensures material reliability in corrosive and high-temperature service environments.
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Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.