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52 articles· Technical

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Technical

Ferrite Volume Fraction Measurement in Duplex Fitting Welds

Duplex fittings require two distinct metallurgical checks: ferrite volume fraction by ASTM E562 and detrimental intermetallic phase detection by ASTM A923. Procurement buyers need to understand the difference before specifying.

Oct 21, 20266 min readHebei Haihao Group