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This specification establishes the minimum requirements for coated tubular picket ornamental fence systems fabricated from galvanized steel components. Steel material for tubular picket ornamental fence system structural components shall be galvanized by the hot-dip process, either after forming, or prior to forming. Powder coatings applied to the exterior surface of fence components shall be polymer material: polyester or epoxy and polyester combinations. Wet coating applied to the exterior surface of fence components shall be a two-coat paint application system (one coat of epoxy, polyester or polyurethane primer; one coat of polyester, polyurethane, or acrylic liquid). Fittings, fasteners, and decorative accessories for ornamental steel fence systems shall be manufactured with a material and finish coating that meets the same protective coating performance requirements as required for panels and posts. Four structural test methods shall be conducted: Method A which is application of horizontal concentrated load, Method B which is application of vertical concentrated load, Method C which is application of horizontal thrust load to infill areas, and Method D which is application of horizontal cone penetration load. Different tests shall also be performed in order to determine the following properties of the fence system coatings: adhesion, corrosion resistance, impact resistance, and weathering resistance.
This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.
1.1 This specification establishes the minimum requirements for coated tubular picket ornamental fence systems fabricated from galvanized steel components.
1.2 The requirements of this specification do not apply to vertical bar fence systems utilizing solid bar or wrought iron materials.
1.3 The values stated with in-pound units are to be regarded as standard. The SI values in parentheses are provided for information.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
A239 Practice for Locating the Thinnest Spot in a Zinc (Galvanized) Coating on Iron or Steel Articles,
A653/A653M Specification for Steel Sheet, Zinc-Coated (Galvanized) or Zinc-Iron Alloy-Coated (Galvannealed) by the Hot-Dip Process
A1008/A1008M Specification for Steel, Sheet, Cold-Rolled, Carbon, Structural, High-Strength Low-Alloy, High-Strength Low-Alloy with Improved Formability, Solution Hardened, and Bake Hardenable
A1011/A1011M Specification for Steel, Sheet and Strip, Hot-Rolled, Carbon, Structural, High-Strength Low-Alloy, High-Strength Low-Alloy with Improved Formability, and Ultra-High Strength
B117 Practice for Operating Salt Spray (Fog) Apparatus
D523 Test Method for Specular Gloss
D714 Test Method for Evaluating Degree of Blistering of Paints
D822 Practice for Filtered Open-Flame Carbon-Arc Exposures of Paint and Related Coatings
D1654 Test Method for Evaluation of Painted or Coated Specimens Subjected to Corrosive Environments
D2244 Practice for Calculation of Color Tolerances and Color Differences from Instrumentally Measured Color Coordinates
D2794 Test Method for Resistance of Organic Coatings to the Effects of Rapid Deformation (Impact)
D3359 Test Methods for Measuring Adhesion by Tape Test
E4 Practices for Force Verification of Testing Machines
F2814 Guide for Design and Construction of Ornamental Steel Picket Fence Systems for Security Purposes
ICS Number Code 91.090 (External structures)
UNSPSC Code 11101704(Steel)