MSS SP-137-2025
MSS SP-137-2025: Quality Standard for Positive Material Identification of Metal Valves, Flanges, Fittings, and Other Piping Components
CDN $229.00
This publication was last reviewed and confirmed in 2025.
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.
Edition
1
Published Date
2025-10-12
Status
Current
Pages
18
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.
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