AASHTO M 232M/M 232-19 (2023)

Standard Specification for Zinc Coating (Hot-Dip) on Iron and Steel Hardware (ASTM Designation: A153/A153M-16a)

standard by American Association of State and Highway Transportation Officials , 2019

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Full Description

This specification covers zinc coatings applied by the hot-dip process on iron and steel hardware. The hot-dip galvanizing process consists of parts being immersed in molten zinc for a time sufficient to allow a metallurgical reaction between iron from the steel surface and the molten zinc, resulting in the formation of Zn/Fe alloy layers bonding the coating to the steel surface.

This specification is intended to be applicable to hardware items that are centrifuged or otherwise handled to remove excess galvanizing bath metal (free zinc). Coating thickness grade requirements reflect this.

Product Details

Published:: 2019
Number of Pages:: 8
Units of Measure:: Dual
File Size:: 1 file , 230 KB
Product Code(s):: M232MM232-19-UL, M232MM232-19-UL, M232MM232-19-UL
Note:: This product is unavailable in Ukraine, Russia, Belarus