ASTM F2408-07
(Specification)Standard Specification for Ornamental Fences Employing Galvanized Steel Tubular Pickets
Standard Specification for Ornamental Fences Employing Galvanized Steel Tubular Pickets
ABSTRACT
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.
SCOPE
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 brackets are provided for information.
General Information
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Standards Content (Sample)
NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
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Designation: F 2408 – 07
Standard Specification for
Ornamental Fences Employing Galvanized Steel Tubular
1
Pickets
This standard is issued under the fixed designation F 2408; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
1. Scope D 822 Practice for Filtered Open-Flame Carbon-Arc Expo-
sures of Paint and Related Coatings
1.1 This specification establishes the minimum require-
D 1654 Test Method for Evaluation of Painted or Coated
ments for coated tubular picket ornamental fence systems
Specimens Subjected to Corrosive Environments
fabricated from galvanized steel components.
D 2244 Practice for Calculation of Color Tolerances and
1.2 The requirements of this specification do not apply to
Color Differences from Instrumentally Measured Color
vertical bar fence systems utilizing solid bar or wrought iron
Coordinates
materials.
D 2794 Test Method for Resistance of Organic Coatings to
1.3 The values stated with in-pound units are to be regarded
the Effects of Rapid Deformation (Impact)
as standard. The SI values in brackets are provided for
D 3359 Test Methods for MeasuringAdhesion by Tape Test
information.
E4 Practices for Force Verification of Testing Machines
2. Referenced Documents
3. Terminology
2
2.1 ASTM Standards:
3.1 Definitions of Terms Specific to This Standard:
A 239 Practice for Locating the Thinnest Spot in a Zinc
,
3.1.1 tubular picket ornamental metal fence system—an
(Galvanized) Coating on Iron or Steel Articles
architectural metal fence system that combines ornamental
A 653/A 653M Specification for Steel Sheet, Zinc-Coated
fence structural components (that is, tubular pickets, rails, and
(Galvanized) or Zinc-Iron Alloy-Coated (Galvannealed)
posts) with ornamental accessories and fasteners, assembled
by the Hot-Dip Process
and evaluated as a complete installed structure.
A 1008/A 1008M Specification for Steel, Sheet, Cold-
3.1.2 fence panel—fabricated unit consisting of rails and
Rolled, Carbon, Structural, High-Strength Low-Alloy,
pickets. Also referred to as a fence section.
High-Strength Low-Alloy with Improved Formability, So-
3.1.3 rail—horizontal structural component of a fence
lution Hardened, and Bake Hardenable
panel.
A 1011/A 1011M Specification for Steel, Sheet and Strip,
3.1.4 tubular picket—hollow vertical ornamental compo-
Hot-Rolled, Carbon, Structural, High-Strength Low-Alloy,
nent of a fence panel.
High-Strength Low-Alloy with Improved Formability, and
3.1.5 post—vertical fence structural component that sup-
Ultra-High Strength
ports the panel in the ornamental metal fence system.
B117 Practice for Operating Salt Spray (Fog) Apparatus
3.1.6 ornamental accessory—any fitting that adds further
D 523 Test Method for Specular Gloss
decoration to an ornamental metal fence system including
D 714 Test Method for Evaluating Degree of Blistering of
itemssuchasfinials,caps,picketcollars,rings,scrolls,orother
Paints
ornamental panel inserts.
3.1.7 adhesion—the bonding integrity of an organic coating
to the base metal substrate.
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This specification is under the jurisdiction ofASTM Committee F14 on Fences
3.1.8 corrosion resistance—the ability of an organically
and is the direct responsibility of Subcommittee F14.35 on Architectural Metal
coated metal product to resist attack due to the base metal
Fence Systems.
attempting to return to a more passive oxidized state.
Current edition approved July 1, 2007. Published July 2007. Originally approved
in 2004. Last previous edition approved in 2006 as F 2408 - 06.
3.1.9 impact resistance—the measure of an organically
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
coated metal product to resist indention; the ability of a coating
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
toresistcrackingorlossofadhesionduetoreformingthemetal
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. during bending or a shape change from abuse.
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F2408–07
3.1.10 weathering resistance—the ability of an organically 5.2.1 Powder coatings applied to the exterior surface of
coated metal product to resist loss of coating gloss or color fence components shall be polymer material: polyester or
change due to excessive humidity or ultra-violet (UV) sunlight epoxy and polyester combinations having a minimum thick-
exposure. ness of 3 mils; polyolefin elastomer having a minimum
thickness of 7 mils; or PVC having a
...
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