ASTM A702-89(2000)
(Specification)Standard Specification for Steel Fence Posts and Assemblies, Hot Wrought
Standard Specification for Steel Fence Posts and Assemblies, Hot Wrought
SCOPE
1.1 This specification covers steel fence posts and assemblies manufactured from hot-wrought sections and intended for use in field and line fencing.
1.2 The posts are available in tee, channel, or U and Y-bar shapes or angle shapes and are furnished painted or galvanized, unless otherwise specified.
1.3 The values stated in inch-pound units are to be regarded as the standard.
General Information
Relations
Standards Content (Sample)
NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
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Designation: A 702 – 89 (Reapproved 2000)
Standard Specification for
Steel Fence Posts and Assemblies, Hot Wrought
This standard is issued under the fixed designation A 702; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the Department of Defense.
1. Scope MIL-STD-163 Steel Mill Products, Preparation for Ship-
ment and Storage
1.1 This specification covers steel fence posts and assem-
bliesmanufacturedfromhot-wroughtsectionsandintendedfor
3. Terminology
use in field and line fencing.
3.1 Definitions:
1.2 The posts are available in tee, channel, or U and Y-bar
3.1.1 assemblies— angel section post components for in-
shapesorangleshapesandarefurnishedpaintedorgalvanized,
stallation of gates, fence ends or corners, and intermediate
unless otherwise specified.
bracing.
1.3 The values stated in inch-pound units are to be regarded
3.1.2 line posts—poststhatsupportthestraight-linebodyof
as the standard.
the fence.
2. Referenced Documents
4. Ordering Information
2.1 ASTM Standards:
4.1 Orders for products under this standard should include
A29/A29M SpecificationforSteelBars,CarbonandAlloy,
the following information:
Hot-Wrought and Cold-Finished, General Requirements
4.1.1 Quantity (number of pieces) of line posts, end or gate
for
3 assemblies, corner or intermediate brace assemblies (It is
A36/A36M Specification for Carbon Structural Steel
customary to order line posts in multiples of five of the
A123 Specification for Zinc (Hot-Dip Galvanized) Coat-
4 required length and the required number of end or corner
ings on Iron and Steel Products
assemblies),
A153 SpecificationforZincCoating(Hot-Dip)onIronand
4 4.1.2 Type of section (if a specific section is required) (see
Steel Hardware
5.2 and Fig. 1),
A499 Specification for Steel Bars and Shapes, Carbon,
2 4.1.3 Length or lengths required (see 6.2),
Rolled from “T” Rails
4.1.4 Finish: galvanized or painted,
A641 Specification for Zinc-Coated (Galvanized) Carbon
4 4.1.5 ASTM designation and date of issue,
Steel Wire
4.1.6 Anchor plates, if required (see 5.4.3), and
A700 Practices for Packaging, Marking, and Loading
2 4.1.7 Wire fasteners (state weight of zinc coating if other
Methods for Steel Products for Domestic Shipment
than Class 1) (see 5.6.2 and 5.6.3).
2.2 Federal Standards:
Federal Standard No. 123 Marking for Shipments (Civil
NOTE 1—Atypical ordering description is as follows: 500 line posts; 8
Agencies) ft long; painted; ASTM A702 dated ___; omit anchor plates.
2.3 Military Standards:
5 5. Materials and Manufacture
MIL-STD-129 Marking for Shipment and Storage
5.1 Material:
5.1.1 Line posts shall be fabricated from Steels A or B and
This specification is under the jurisdiction ofASTM CommitteeA01 on Steel,
assemblies from Steels A, B, or C as specified in Table 1.
StainlessSteel,andRelatedAlloys,andisthedirectresponsibilityofSubcommittee
5.1.2 Except as provided in 6.1.3, the finished line post and
A01.15 on Bars. This standard is a revision of Commercial Standard CS184-51,
assemblies shall conform to the tensile properties specified in
Steel Fence Posts—Field Line Type, formerly published by the United States
Department of Commerce.
Table 1 for the applicable steel.
Current edition approved Dec. 7, 1989. Published February 1990. Originally
5.1.3 At the manufacturer’s option, a Brinell or Rockwell B
published as A702–74. Last previous edition A702–87.
2 hardnesstestmaybesubstitutedforthetensilerequirementsin
Annual Book of ASTM Standards, Vol 01.05.
Table 1. In such cases the material shall conform to the Brinell
Annual Book of ASTM Standards, Vol 01.04.
Annual Book of ASTM Standards, Vol 01.06.
or Rockwell B hardness specified in Table 2.
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Robbins Ave., Philadelphia, PA 19111-5094, Attn: NPODS.
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A 702 – 89 (2000)
5.6.3 When line posts are intended for range type western
fencing using three line wires, it is satisfactory to provide only
three fasteners for each post.
6. Dimensions, Mass and Permissible Variations
FIG. 1 Typical Cross Sections of Line Post Types
6.1 Nominal Weights and Tolerances:
6.1.1 Nominal Weight—Prior to fabrication by punching,
drilling, attaching anchors, or finish coating, the line post
5.2 Line Post Section:
sectionsshallhaveanominalweightof1.33lb/ftofthelength.
5.2.1 The posts shall be furnished as T, channel or U, or Y 6.1.2 The weight of line posts plus anchor plates (if speci-
fied), prior to fabrication, drilling, or finish coating shall not
sections as illustrated in Fig. 1. The cross section of T posts
3 3
shallbeapproximately1 ⁄8 in.(35mm)wide,1 ⁄8in.deep,and vary from nominal weights specified in Table 3 by more than
⁄8 in. (3.2 mm) thick. Unless otherwise specified by the 6 5%. Weight shall be determined in lots of five line posts.
purchaser, the line post type is at the manufacturer’s option. 6.1.3 The weight of assembly components prior to fabrica-
tion, drilling, or finish coating shall not vary from the nominal
5.2.2 Dimensions may vary slightly in individual design in
maintaining the control weight per foot. weights specified in Table 4 by more than 6 5%. Single
assembly components shall be used to determine weight.
5.3 Wire Attachments—Line posts shall have corrugations,
6.2 Standard Lengths and Tolerances:
knobs, notches, holes, or studs so placed and formed as to
6.2.1 Line posts shall be furnished in standard lengths of 5
engage a substantial number of fence line wires in proper
to 10 ft (1525 to 3050 mm) inclusive, as specified by the
positions.
purchaser. Standard length increments are shown in Table 3.
5.4 Anchor Plates:
6.2.2 The length of line posts, uprights, and braces shall not
5.4.1 Each line post shall be manufactured with an anchor
varyfromthatspecifiedmorethan−1.0in.(−25mm)or+2in.
plate, unless otherwise specified. The anchor plate shall be
(50 mm).
made from carbon steel and shall be swaged or riveted to the
6.2.3 The placement of the anchor plate shall not vary from
post in such a manner as to prevent displacement when the
the nominal by more than 6 3 in. (76 mm).
posts are driven.
5.4.2 The placement of the anchor plate shall be nominally
7. Workmanship, Finish, and Appearance
14in.(350mm),16in.(400mm),or18in.(450mm)fromthe
bottomoftheposttotheuppermostportionoftheanchorplate. 7.1 Line posts, uprights, and braces shall be furnished
5.4.3 Anchor plates shall be tapered to facilitate driving, painted, or galvanized as specified by the purchaser.
2 2
shall have a minimum area of 18 in. (11600 mm ) and shall 7.2 When specified to be painted, the posts shall be cleaned
weigh 0.67 lb (0.3 kg) 65%. of all loose scale prior to finishing, and painted with one or
more coats of weather resistant, air drying or baking paint or
5.4.4 When specified, line posts may be furnished without
anchor plates. enamel.
7.3 When specified to be galvanized, the posts and post
5.4.5 AnchorplatesshallbemanufacturedfromTypeAorB
assemblies shall be zinc coated by the hot-dip process in
materials.
accordance with Specification A123. The assembly hardware
5.5 Post Assemblies:
(see 5.5.3) shall be zinc coated in accordance with Specifica-
5.5.1 Uprights shall consist of angles with a nominal size
1 1 1
tion A153.
2 ⁄2 by 2 ⁄2 by ⁄4 in. (65 by 65 by 6.4 mm) weighing
approximately 4.10 lb/ft (6.1 kg/m) prior to fabrication.
8. General Requirements
5.5.2 Bracesshal
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