ASTM B475-07(2018)

This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the
Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
Designation:B475 −07 (Reapproved 2018)
Standard Specification for
UNS N08020, UNS N08024, and UNS N08026 Nickel Alloy
Round Weaving Wire
This standard is issued under the fixed designation B475; 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 (´) indicates an editorial change since the last revision or reapproval.
1. Scope E8/E8M Test Methods for Tension Testing of Metallic Ma-
terials
1.1 This specification covers UNS N08020, UNS N08026,
E1473 Test Methods for Chemical Analysis of Nickel, Co-
and UNS N08024 round weaving wire.
balt and High-Temperature Alloys
NOTE 1—Weaving wire is customarily not welded. For applications
involving welding in which the wire should be stabilized against loss of
3. Terminology
corrosion resistance, the purchaser should refer to Specification B473.
3.1 Definitions of Terms Specific to This Standard:
1.2 The values stated in inch-pound units are to be regarded
3.1.1 weaving wire, n—term weaving wire as used in this
as standard. The values given in parentheses are mathematical
specification shall be understood to cover round wire intended
conversions to SI units that are provided for information only
especially for weaving.
and are not considered standard.
1.3 This standard does not purport to address all of the
4. Ordering Information
safety concerns, if any, associated with its use. It is the
responsibility of the user of this standard to become familiar 4.1 It is the responsibility of the purchaser to specify all
with all hazards including those identified in the appropriate
requirements that are necessary for the safe and satisfactory
Safety Data Sheet (SDS) for this product/material as provided performance of material ordered under this specification.
by the manufacturer, to establish appropriate safety, health, Examples of such requirements include, but are not limited to,
and environmental practices, and determine the applicability the following:
of regulatory limitations prior to use.
4.1.1 Quantity (weight),
1.4 This international standard was developed in accor-
4.1.2 Name of material or UNS number,
dance with internationally recognized principles on standard-
4.1.3 Dimensions,
ization established in the Decision on Principles for the
4.1.4 Condition (9.2),
Development of International Standards, Guides and Recom-
4.1.5 Finish (9.2),
mendations issued by the World Trade Organization Technical
4.1.6 Inspection (14.1),
Barriers to Trade (TBT) Committee.
4.1.7 Certification—State if certification or a report of test
results is required (Section 16),
2. Referenced Documents
4.1.8 ASTM designation and year of issue, and
2.1 ASTM Standards:
4.1.9 If possible, the intended end use.
B473 Specification for UNS N08020, UNS N08024, and
UNS N08026 Nickel Alloy Bar and Wire
NOTE 2—Atypical ordering description is as follows: 200 lb (90.7 kg),
B880 Specification for General Requirements for Chemical
UNS N08020, 0.020 in. (0.508 mm), annealed and pickled, ASTM
Check Analysis Limits for Nickel, Nickel Alloys and Specification B475.
Cobalt Alloys
5. Materials and Manufacture
5.1 The last heat treatment shall be a solution-annealing
This specification is under the jurisdiction of ASTM Committee B02 on
heat treatment.
Nonferrous Metals and Alloys and is the direct responsibility of Subcommittee
B02.07 on Refined Nickel and Cobalt and Their Alloys.
NOTE3—Therecommendedannealingtemperaturesare1900to2100°F
Current edition approved Nov. 1, 2018. Published November 2018. Originally
(1038 to 1149°C) for UNS N08020 and 2050 to 2200°F (1121 to 1204°C)
approved in 1968. Last previous edition approved in 2013 as B475 – 07 (2013).
for UNS N08026 and UNS N08024, all followed by quenching in water
DOI: 10.1520/B0475-07R18.
For referenced ASTM standards, visit the ASTM website, www.astm.org, or or rapidly cooling by other means.
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
5.2 Wireshallbeannealedorcolddrawnasafinaloperation
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. to produce the specified mechanical properties.
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B475−07 (2018)
TABLE 2 Mechanical Properties
6. Chemical Composition
Tensile Strength, psi
6.1 The material shall conform to the requirements as to Condition Diameter, in. (mm)
(MPa)
chemical composition prescribed in Table 1.
Annealed Over 0.006 to 0.019 115 000 (790) max
(0.152 to 0.483), incl
6.2 If a product (check) analysis is performed by the
Over 0.019 to 0.049 110 000 (760) max
purchaser, the material shall conform to the product (check)
(0.483 to 1.245), incl
analysis variations prescribed in Specification B880. Over 0.049 to 0.099 105 000 (720) max
(1.245 to 2.515), incl
Over 0.099 (2.515) 100 000 (690) max
7. Mechanical Properties
A
Cold-drawn Over 0.030 to 0.125 120 000 to 150 000
(0.762 to 3.175), incl (830 to 1030)
7.1 The material shall conform to the requirements as to
Over 0.125 (3.175) 110 000 to 140 000
mechanical properties prescribed in Table 2 at room tempera-
(760 to 970)
ture.
A
Wire ordered in the cold-drawn condition can be supplied to higher tensile
strength levels as specified by the purchaser.
8. Dimensions and Permissible Variations
8.1 The diameter of the wire shall not vary from that
specified by more than the permissible variations prescribed in TABLE 3 Permissible Variations in Diameter
Table 3.
Permissible Variations in Diameter,
A
±, in.
Di
...