Positive Material Identification (P.M.I)

Positive Material Identification (PMI) is a non-destructive testing method that verifies the chemical composition of metals and alloys using techniques such as X-Ray Fluorescence (XRF) and Laser-Induced Breakdown Spectroscopy (LIBS). This ensures the correct materials are used in critical components and prevents costly mix-ups.

Technique capability:

  • Confirms alloy grade and chemical composition in stainless steels, alloys, and special metals.
  • Prevents material substitution and ensures compliance with specifications, codes, and standards.
  • Portable, fast, and accurate on-site testing for piping, valves, fittings, and structural components.
  • Essential for quality assurance, fabrication verification, and in-service inspection.
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