MSS SP-94-2020

$32.50

Quality Standard for Ferritic and Martensitic Steel Castings for Valves, Flanges, and Fittings and Other Piping Components – Ultrasonic Examination Method

Published By	Publication Date	Number of Pages
MSS	2020	14

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Category: MSS

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Full Description

1. SCOPE

1.1 This Standard Practice provides methods and acceptance standards for ultrasonic examination of
austenitic, ferritic, and martensitic steel castings and forgings for valves, flanges, fittings, and other piping
components. This Standard Practice is applicable to the initial examination of castings and forgings and
towards the examination of repairs.

1.2 The methods contained in this Standard Practice describe uniform procedures that will provide
satisfactory and consistent results upon which the acceptance standards of Section 11 may be used.

1.3 It is recognized that ultrasonic examination and radiographic examination are not directly comparable.
This Standard Practice is intended to provide a casting or forging of functionally equivalent quality to those
accepted by the method of MSS SP-54.