: Rat tails, wrinkles, overlaps, cut marks, and welding repair areas.
– Metal supports used to hold internal cores in place; the standard evaluates whether they have properly fused into the casting wall. The Reference Photographs and Evaluation Method mss sp-55 standard pdf
MSS SP-55 does not operate in isolation. It is frequently paired with other non-destructive testing (NDT) standards to ensure holistic quality: : Rat tails, wrinkles, overlaps, cut marks, and