Mss Sp55 Standard Pdf Work Better

The PDF explicitly requires a clean, dry, blast-cleaned or ground surface. Evaluating un-cleaned castings against SP-55 is invalid.

Use the full citation: MSS SP-55-2011 (R2021), Quality Standard for Steel Castings for Valves, Flanges, and Fittings and Other Piping Components – Visual Method. mss sp55 standard pdf work

Cold laps and cold shuts are rejectable if they extend into the wall thickness beyond a shallow depth. The PDF explicitly requires a clean, dry, blast-cleaned