Alloy mix-ups can cause problems in refineries and plants. Valves, fasteners, piping, and other com ponents must be carefully identified for grade and chemistry to ensure compatibility with specifications for the process system. API 578 is a Recommended Practice "Material Verification Programâ. Solution: Use handheld Alpha Series⢠XRF to analyze low Ti, V, and Cr (FAC) in alloys and fluids on the spot. Grade IDâs for weld rods, fasteners, etc, are on the PDA in multiple librariesâcommon words, DiN, UNS, ASTM, etc. Test at processing temperatures to 400°C. Full local service and support in Europe and worldwide.