ASTM B475-96(2002)e1

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e1
Designation: B 475 – 96 (Reapproved 2002)
Standard Specification for
UNS N08020, UNS N08024, and UNS N08026 Nickel Alloy
Round Weaving Wire
This standard is issued under the fixed designation B 475; 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.
e NOTE—Paragraph 1.3 was added editorially in June 2002.
1. Scope 4. Ordering Information
1.1 This specification covers UNS N08020, UNS N08026, 4.1 It is the responsibility of the purchaser to specify all
and UNS N08024 round weaving wire. requirements that are necessary for the safe and satisfactory
performance of material ordered under this specification.
NOTE 1—Weaving wire is customarily not welded. For applications
Examples of such requirements include, but are not limited to,
involving welding in which the wire should be stabilized against loss of
the following:
corrosion resistance, the purchaser should refer to Specification B 473.
4.1.1 Quantity (weight),
1.2 The values stated in inch-pound units are to be regarded
4.1.2 Name of material or UNS number,
as the standard. The values given in parentheses are for
4.1.3 Dimensions,
information only.
4.1.4 Condition (9.2),
1.3 This standard does not purport to address all of the
4.1.5 Finish (9.2),
safety concerns, if any, associated with its use. It is the
4.1.6 Inspection (14.1),
responsibility of the user of this standard to become familiar
4.1.7 Certification—State if certification or a report of test
with all hazards including those identified in the appropriate
results is required (Section 16),
Material Safety Data Sheet for this product/material as pro-
4.1.8 ASTM designation and year of issue, and
vided by the manufacturer, to establish appropriate safety and
4.1.9 If possible, the intended end use.
health practices, and determine the applicability of regulatory
limitations prior to use. NOTE 2—Atypical ordering description is as follows: 200 lb (90.7 kg),
UNS N08020, 0.020 in. (0.508 mm), annealed and pickled, ASTM
2. Referenced Documents Specification B 475.
2.1 ASTM Standards:
5. Materials and Manufacture
B 473 Specification for UNS N08020, UNS N08026, and
2 5.1 The last heat treatment shall be a solution-annealing
UNS N08024 Nickel Alloy Bar and Wire
heat treatment.
E 8 Test Methods forTensionTesting of Metallic Materials
E 1473 Test Methods for Chemical Analysis of Nickel,
NOTE 3—The recommended annealing temperatures are 1900 to
Cobalt, and High-Temperature Alloys 2100°F (1038 to 1149°C) for UNS N08020 and 2050 to 2200°F (1121 to
1204°C) for UNS N08026 and UNS N08024, all followed by quenching
3. Terminology in water or rapidly cooling by other means.
3.1 Definitions of Terms Specific to This Standard:
5.2 Wireshallbeannealedorcolddrawnasafinaloperation
3.1.1 weaving wire, n—term weaving wire as used in this to produce the specified mechanical properties.
specification shall be understood to cover round wire intended
6. Chemical Composition
especially for weaving.
6.1 The material shall conform to the requirements as to
chemical composition prescribed in Table 1.
This specification is under the jurisdiction of ASTM Committee B02 on
6.2 If a product (check) analysis is performed by the
Nonferrous Metals and Alloys and is the direct responsibility of Subcommittee
purchaser, the material shall conform to the product (check)
B02.07 on Refined Nickel and Cobalt and Their Alloys.
analysis variations prescribed in Table 2.
Current edition approved May 10, 1996. Published June 1996. Originally
published as B 745 – 68. Last previous edition B 475 – 91.
Annual Book of ASTM Standards, Vol 02.04.
Annual Book of ASTM Standards, Vol 03.01.
Annual Book of ASTM Standards, Vol 03.05.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
B 475
TABLE 2 Product Analysis Tolerances TABLE 4 Permissible Variations in Diameter
Tolerances Over the Maximum Limit Permissible Variations in Diameter,
A
or Under the Minimum Limit 6,in.
Elements Diameter, in.
UNS UNS UNS Cold-Drawn Annealed
N08026 N08020 N08024 Condition Condition
Carbon 0.005 0.01 0.005 0.312 to 0.044 incl 0.001 0.002
Manganese 0.03 0.04 0.03 Under 0.044 to 0.033, incl 0.0008 0.0013
Phosphorus 0.005 0.005 0.005 Under 0.033 to 0.024, incl 0.0005 0.0008
Sulfur 0.005 0.005 0.005 Under 0.024 to 0.012, incl 0.0004 .
Silicon 0.05 0.05 0.05 Under 0.012 to 0.008, incl 0.0003 .
Chromium 0.25 0.25 0.25 Under 0.008 to 0.006, incl 0.0002 .
Nickel 0.30 0.30 0.30
Permissible Variations in Diameter,
Molybdenum 0.10 0.10 0.10
A
6,mm
Columbium (Nb) + tantalum . 0.05 0.05
Diameter, mm
Copper 0.10 0.10 0.10 Cold-Drawn Annealed
Nitrogen 0.01 . .
Condition Condition
7.925 to 1.118, incl 0.0254 0.0508
Under 1.118 to 0.838, incl 0.0203 0.0330
Under 0.838 to 0.610, incl 0.0127 0.0203
TABLE 1 Chemical Requirements
Under 0.610 to 0.305, incl 0.0102 .
Composition, %
Under 0.305 to 0.203, incl 0.0076 .
Element
Under 0.203 to 0.152, incl 0.0051 .
UNS N08026 UNS N08020 UNS N08024
A
The wire shall not be out-of-round more than one half the total permissible
Carbon, max 0.03 0.07 0.03
variation specified above.
Manganese, max 1.00 2.00 1.00
Phosphorus, max 0.03 0.045 0.035
Sulfur, max 0.03 0.035 0.035
Silicon, max 0.50 1.00 0.50
9.2 The wire shall be supplied as annealed or c
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