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ASTM

ASTM A497-99

(Specification)

Standard Specification for Steel Welded Wire Reinforcement, Deformed, for Concrete

Standard Specification for Steel Welded Wire Reinforcement, Deformed, for Concrete

SCOPE
1.1 This specification covers welded wire reinforcement made from cold-worked drawn or rolled deformed wire, or a combination of deformed and non-deformed wires, to be used for the reinforcement of concrete.
Note 1—Welded wire for concrete reinforcement has been described by various terms: welded wire fabric, WWF, fabric, and mesh. The wire reinforcement industry prefers the term "welded wire reinforcement" (WWF) as being more representative of the range of products being manufactured. Therefore, the term "welded wire fabric" has been replaced with the term "welded wire reinforcement" in this specifcation and in other related specifications.
1.2 The values stated in either inch-pound or SI units are to be regarded as the standard. Within the text the inch-pound units are shown in parenthesis. The values stated in each system are not exact equivalents; therefore, each system must be used independently of the other. Combining values may result in nonconformance with the specification.

General Information

Status
Historical
Publication Date
09-Dec-2001
Technical Committee
A01 - Steel, Stainless Steel and Related Alloys
Drafting Committee
A01.05 - Steel Reinforcement
Current Stage
Ref Project

Relations

Replaced By
ASTM A497-99e1 - Standard Specification for Steel Welded Wire Reinforcement, Deformed, for Concrete
Effective Date
10-Dec-2001

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ASTM A497-99 - Standard Specification for Steel Welded Wire Reinforcement, Deformed, for ConcreteASTM A497-99 - Standard Specification for Steel Welded Wire Reinforcement, Deformed, for Concrete
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ASTM A497-99 - Standard Specification for Steel Welded Wire Reinforcement, Deformed, for Concrete
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Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
Designation: A 497 – 99
Standard Specification for
Steel Welded Wire Fabric, Deformed, for Concrete
1
Reinforcement
This standard is issued under the fixed designation A 497; 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.
This standard has been approved for use by agencies of the Department of Defense.
1. Scope 3.1.2 welded wire fabric, n—as used within the scope and
intent of this specification, welded wire fabric designates a
1.1 This specification covers welded wire fabric made from
material composed of cold-worked steel wire, fabricated into
cold-worked drawn or rolled deformed wire, or a combination
sheets or rolls by the process of electric resistance welding. The
of deformed and non-deformed wires, to be used for the
finished material shall consist essentially of a series of longi-
reinforcement of concrete.
tudinal and transverse wires arranged substantially at right
1.2 The values stated in either inch-pound or SI units are to
angles to each other, and welded together at points of intersec-
be regarded as the standard. Within the text the inch-pound
tion.
units are shown in parenthesis. The values stated in each
system are not exact equivalents; therefore, each system must
4. Ordering Information
be used independently of the other. Combining values may
4.1 Orders for material to this specification should include
result in nonconformance with the specification.
the following information:
2. Referenced Documents 4.1.1 Quantity (weight or square area),
4.1.2 Name of material (deformed welded wire fabric for
2.1 ASTM Standards:
concrete reinforcement),
A 82 Specification for Steel Wire, Plain, for Concrete Re-
2 4.1.3 Wire spacings and sizes,
inforcement
4.1.4 Minimum yield strength if Supplement S1 of Specifi-
A 496 Specification for Steel Wire, Deformed, for Concrete
2
cation A 496 applies; and minimum yield strength if wire
Reinforcement
conforming to Specification A 82 is to be used and Supplement
A 700 Practices for Packaging, Marking, and Loading
3
S1 of Specification A 82 applies.
Methods for Steel Products for Domestic Shipment
4.1.5 Exclusion of over-steeling, if required (see 9.4.1),
2.2 Military Standards:
4
4.1.6 Length and width of sheets or rolls,
MIL-STD-129 Marking for Shipment and Storage
4.1.7 Packaging (see Section 16), and
MIL-STD-163 Steel Mill Products Preparation for Ship-
4
4.1.8 ASTM designation and year of issue.
ment and Storage
2
2.3 Federal Standard:
NOTE 1—A typical ordering description is as follows: 10 000 ft welded
4
Fed. Std. No. 123 Marking for Shipments (Civil Agencies) deformed wire fabric for concrete reinforcement, 6 3 12–D63 D2, in flat
sheets 96 in. wide by 240 in. long, in secured lifts, to ASTM A 497 – ____.
3. Terminology
5. Materials
3.1 Definitions of Terms Specific to This Standard:
5.1 The wire used in the manufacture of welded wire fabrics
3.1.1 convoluted wire, n—when wire for welded fabric is
shall conform to Specification A 496 and its Supplement S1 if
shaped into a sinusoidal wave shape, it is commonly referred to
so ordered, either solely or in combination with wire conform-
as convoluted wire. The wire is used in the manufacture of
ing to Specification A 82 and its Supplement S1 if so ordered.
cages for certain applications of concrete pipe reinforcing.
5.2 Welded wire fabric shall be furnished either in flat
Only non-deformed wire is normally subject to convolution.
sheets, or in rolls, as specified by the purchaser.
1
This specification is under the jurisdiction of ASTM Committee A-1 on Steel,
6. Manufacture
Stainless Steel, and Related Alloys and is the direct responsibility of Subcommittee
6.1 The wires shall be assembled by automatic machines or
A01.05 on Steel Reinforcement.
Current edition approved Oct. 10, 1999. Published December 1999. Originally by other suitable mechanical means which will assure accurate
published as A 497 – 64. Last previous edition A 497 – 97.
spacing and alignment of all members of the finished fabric.
2
Annual Book of ASTM Standards, Vol 01.04.
6.2 Longitudinal and transverse members shall be securely
3
Annual Book of ASTM Standards, Vol 01.05.
4
Available from Standardization Documents Order Desk, Building 4, Section D,
700 Robbins Ave., Philadelphia, PA 19111-5094.
Copyright © ASTM, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959, United States.
1

---------------------- Page: 1 ----------------------
A 497
connected at every intersection by a process of electrical- the specimen shall then be tested. The fabric will be acceptable
resistance welding which employs the principle of fusion if the average of all w
...

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