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MSS SP-137-2020

Quality Standard for Positive Material Identification of Metal Valves, Flanges, Fittings, and Other Piping Components

standard by Manufacturers Standardization Society , 11/10/2020

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About This Item

 

Full Description

MSS SP-137-2020 provides methods and acceptance standards for Positive Material Identification (PMI) of metal flanges, fittings, valves, and pressure boundary parts of valves and other piping components.

The instrumentation used for PMI testing covered by this Standard Practice shall be optical spectroscopy or X-ray fluorescence.

This Standard Practice is applicable to the identification process, at point of final inspection or in-process inspection during manufacturing.

The PMI test is for material grade identification only and does not substitute for a manufacturer's test report or a laboratory's chemical analysis.
 

Product Details

Published:
11/10/2020
Number of Pages:
14
File Size:
1 file , 590 KB
Note:
This product is unavailable in Ukraine, Russia, Belarus
 

Document History

  1. MSS SP-137-2020

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    Quality Standard for Positive Material Identification of Metal Valves, Flanges, Fittings, and Other Piping Components

    • Most Recent

  2. MSS SP-137-2013


    Quality Standard for Positive Material Identification of Metal Valves, Flanges, Fittings, and Other Piping Components

    • Historical Version

  3. MSS SP-137-2007


    Quality Standard for Positive Material Identification of Metal Valves, Flanges, Fittings, and Other Piping Components

    • Historical Version