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AASHTO M 232M/M 232

Standard Specification for Zinc Coating (Hot-Dip) on Iron and Steel Hardware

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Organization: AASHTO
Publication Date: 1 January 2019
Status: active
Page Count: 8
scope:

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.

The values stated in SI units are to be regarded as the standard. The equivalent inch-pound units may only be approximate.

This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

Document History

AASHTO M 232M/M 232
January 1, 2019
Standard Specification for Zinc Coating (Hot-Dip) on Iron and Steel Hardware
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...
January 1, 2010
Standard Specification for Zinc Coating (Hot-Dip) on Iron and Steel Hardware
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...
January 1, 2010
Standard Specification for Zinc Coating (Hot-Dip) on Iron and Steel Hardware
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...
January 1, 2006
Standard Specification for Zinc Coating (Hot-Dip) on Iron and Steel Hardware
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 sufficient...
January 1, 2005
Standard Specification for Zinc Coating (Hot-Dip) on Iron and Steel Hardware
A description is not available for this item.
January 1, 2004
Standard Specification for Zinc Coating (Hot-Dip) on Iron and Steel Hardware
A description is not available for this item.
January 1, 2003
Standard Specification for Zinc Coating (Hot-Dip) on Iron and Steel Hardware
A description is not available for this item.
January 1, 2002
Standard Specification for Zinc Coating (Hot-Dip) on Iron and Steel Hardware
A description is not available for this item.
January 1, 2000
Standard Specification for Zinc Coating (Hot-Dip) on Iron and Steel Hardware
A description is not available for this item.
January 1, 1997
Standard Specification for Zinc Coating (Hot-Dip) on Iron and Steel Hardware
A description is not available for this item.
January 1, 1984
Standard Specification for Zinc Coating (Hot-Dip) on Iron and Steel Hardware
A description is not available for this item.
January 1, 1984
Standard Specification for Zinc Coating (Hot-Dip) on Iron and Steel Hardware
A description is not available for this item.

References

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