MSS SP 93
Quality Standard for Steel Castings and Forgings for Valves, Flanges, Fittings, and Other Piping Components Liquid Penetrant Examination Method
|Publication Date:||1 January 2020|
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 contained in this Standard Practice provide uniform procedures that 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.