MSS SP-137-2020
MSS SP-137-2020: Quality Standard for Positive Material Identification of Metal Valves, Flanges, Fittings, and Other Piping Components (Not Current)
CDN $178.00
Description
This Standard Practice provides methods and acceptance standards for Positive Material Identification (PMI) of metal flanges, fittings, valves, pressure boundary parts of valves, and other piping components. The instrumentation used for PMI testing covered by this Standard Practice shall be optical spectroscopy, X-ray fluorescence, or laser induced breakdown spectroscopy.
** No Longer current, replaced with newer version in October 2025 **Â Please see newer version
Edition
1
Published Date
2025-08-11
Status
Not Current
Pages
14
Language
English
Format
Secure PDF
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Abstract
This Standard Practice provides methods and acceptance standards for Positive Material Identification (PMI) of metal flanges, fittings, valves, pressure boundary parts of valves, and other piping components. The instrumentation used for PMI testing covered by this Standard Practice shall be optical spectroscopy, X-ray fluorescence, or laser induced breakdown spectroscopy. ** No Longer current, replaced with newer version in October 2025 **Â Please see newer version
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