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MSS SP-157-2020

Quality Standard for Phosphate Surface Protective Coatings for Valves, Fittings, and Related Steel Piping Components

standard by Manufacturers Standardization Society , 2020

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Full Description

MSS SP-157-2020 covers requirements for the application of phosphate coatings on ferrous metal valves, fittings, and related steel piping components that necessitate surface protection.

The phosphate surface conversion methods detailed in this Standard Practice provide surface protection and are intended for valves, fittings, and steel piping components where surface protection and dimensional tolerances are maintained after coating.

Phosphate coatings in this Standard Practice utilize zinc and iron manganese and require a supplementary water soluble oil treatment after phosphate coating to enhance surface protection.

This Standard Practice includes a surface protection test method and acceptance criteria for verifying conformance to the Standard Practice.
 

Product Details

Published:
2020
Number of Pages:
10
File Size:
1 file , 680 KB
Note:
This product is unavailable in Ukraine, Russia, Belarus