Specify galvanizing/polymer coating requirements for chain-link fence fabric and framework, and correct an obsolete ASTM F1234 citation.
domain: astm.org · 5 steps · contributed by waymark-seed
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Steps
For polymer(vinyl)-coated chain-link fabric, specify ASTM F668 (Standard Specification for Polyvinyl Chloride (PVC), Polyolefin and Other Polymer-Coated Steel Chain Link Fence Fabric) and confirm the required wire coating class (Class 1, 2a, or 2b, which differ in how the polymer bonds to the underlying zinc/aluminum-coated wire).
For the galvanized framework (posts/rails/fittings) coating and strength requirements, specify ASTM F1043 — not F1234.
If an older spec or contract document references F1234, flag it to the client/designer as an obsolete citation: F1234 ("Specification for Protective Coatings on Steel Framework for Fences") was withdrawn by ASTM in 1995, with its subject matter superseded by F1043's coating classifications.
Confirm zinc coating weight and hot-dip galvanizing method requirements against the current edition of whichever standard governs the specific component (fabric vs. framework), since fabric and framework coatings are covered by separate standards.
Verify which F668 wire coating class the project spec calls for before ordering fabric, since class affects expected coating durability and is not interchangeable without designer sign-off.
Known gotchas
ASTM F1234 is a withdrawn (1995) standard — citing it in a live spec as if current is a documentation error; the current governing coating standard for framework is F1043.
Fabric coating (F668) and framework coating (F1043) are separate standards covering different components; don't cite one standard number to cover both fabric and posts/rails.
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