: For each type, the standard shows five photos, with the first two indicating acceptable conditions and the remaining representing rejectable ones, as outlined in this Scribd document . The 12 Types of Surface Irregularities
If you're interested in learning more about the MSS SP-55 standard or need to obtain a copy of the standard PDF, you can visit the MSS website or other online platforms that provide access to technical standards. mss sp-55 standard pdf
The most recent version is the , which was published by the Manufacturers Standardization Society (MSS) and approved by ANSI on April 28, 2025. Core Function and Purpose : For each type, the standard shows five