SP-93-2008 Quality Standard for Steel Castings and Forgings for Valves@ Flanges@ Fittings@ and Other Piping Components Liquid Penetrant Examination Method
MSS - Manufacturers Standardization Society of the Valve and Fittings Industry.
Scope
This Standard Practice provides methods and acceptance standards for liquid penetrant examination of steel castings and forgings for valves@ flanges@ fittings and other piping components. It is applicable to examination of repairs as well as to initial examination of castings and forgings. The methods of Section 4 provide uniform procedures which will produce satisfactory and consistent results upon which the Acceptance Standards of Table 1 may be used. This Standard Practice includes the examination of pressure containing castings and forgings.