Standard Active Last Updated: May 07, 2024 Track Document
ASTM F3393-24

Standard Specification for Zinc-Flake Coating Systems for Fasteners

Standard Specification for Zinc-Flake Coating Systems for Fasteners F3393-24 ASTM|F3393-24|en-US Standard Specification for Zinc-Flake Coating Systems for Fasteners Standard new BOS Vol. 01.09 Committee F16
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Scope

1.1 Zinc-flake coating systems are fluid dispersions of zinc-flakes, sometimes with the addition of aluminum flakes, which are non-electrolytically applied to steel substrates. The zinc-flake coating system shall be supplied without hexavalent chromium and can be water based or solvent based systems. Cohesion among the zinc-flakes and adhesion to the steel substrate is achieved through a matrix that is formed during the curing process.

1.2 This specification covers the classification, performance, and basic requirements for non-electrolytically applied zinc-flake coatings on unified inch and metric series threaded fasteners with minimum nominal diameters of 0.250 in. for inch series and 6 mm for metric.

1.3 This standard is a consolidation and replacement of three ASTM standards: Specifications F1136/F1136M, F2833, and F3019/F3019M.

1.4 Units—The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system are not necessarily exact equivalents; therefore, to ensure conformance with the standard, each system shall be used independently of the other, and values from the two systems shall not be combined.

1.5 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.6 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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Details
Book of Standards Volume: 01.09
Developed by Subcommittee: F16.03
Pages: 7
DOI: 10.1520/F3393-24
ICS Code: 21.060.01; 25.220.40