ASTM B473-96

Standard Specification for UNS N08020, UNS N08024, and UNS N08026 Nickel Alloy Bar and Wire

SCOPE
1.1 This specification covers UNS N08020, UNS N08026, and UNS N08024 bar and wire other than required for reforging.
1.2 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.
1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to become familiar with all hazards including those identified in the appropriate Material Safety Data Sheet for this product/material as provided by the manufacturer, to establish appropriate safety and health practices, and determine the applicability of regulatory limitations prior to use.

General Information

• Status: Historical
• Publication Date: 09-May-1996
• Technical Committee: B02 - Nonferrous Metals and Alloys
• Drafting Committee: B02.07 - Refined Nickel and Cobalt and Their Alloys

Relations

• Replaced By: ASTM B473-96(2002)e1 - Standard Specification for UNS N08020, UNS N08024, and UNS N08026 Nickel Alloy Bar and Wire
• Effective Date: 10-May-1996

Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or
withdrawn. Contact ASTM International (www.astm.org) for the latest information.
Designation: B 473 – 96 An American National Standard
AMERICAN SOCIETY FOR TESTING AND MATERIALS
100 Barr Harbor Dr., West Conshohocken, PA 19428
Reprinted from the Annual Book of ASTM Standards. Copyright ASTM
Standard Specification for
UNS N08020, UNS N08024, and UNS N08026 Nickel Alloy
1
Bar and Wire
This standard is issued under the fixed designation B 473; 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 3.1.3 wire, , n—cold finished only: round, square, octagon,
1
2
hexagon, and shape wire, ⁄2 in. (12.7 mm) and under in
1.1 This specification covers UNS N08020, UNS N08026,
3
diameter or size. Cold-finished only: flat wire, ⁄16in. (4.76 mm)
and UNS N08024 bar and wire other than required for
3
to under ⁄8 in. (9.525 mm) in width, 0.010 in. (0.254 mm) to
reforging.
3
under ⁄16in. in thickness.
1.2 The values stated in inch-pound units are to be regarded
as the standard. The values given in parentheses are for
4. Ordering Information
information only.
4.1 It is the responsibility of the purchaser to specify all
2. Referenced Documents requirements that are necessary for the safe and satisfactory
performance of material ordered under this specification.
2.1 ASTM Standards:
Examples of such requirements include, but are not limited to,
A 262 Practices for Detecting Susceptibility to Intergranu-
3
the following:
lar Attack in Austenitic Stainless Steels
4 4.1.1 Quantity (weight or number of pieces),
E 8 Test Methods for Tension Testing of Metallic Materials
4.1.2 Name of material or UNS number,
E 1473 Test Methods for Chemical Analysis of Nickel,
5 4.1.3 Form (bar or wire),
Cobalt, and High-Temperature Alloys
4.1.4 Dimensions,
3. Terminology 4.1.5 Condition,
4.1.6 Finish,
3.1 Definitions of Terms Specific to This Standard:
4.1.7 ASTM designation and year of issue,
3.1.1 The terms bar and wire as used in this specification are
4.1.8 Inspection (15.1),
described as follows:
4.1.9 Supplementary requirements, if any, and
3.1.2 bars, , n—hot-finished rounds, squares, octagons, and
1
4.1.10 If possible, the intended end use.
hexagons: ⁄4 in. (6.35 mm) and over in diameter or size.
1
Hot-finished flats: ⁄4 to 10 in. (254 mm), inclusive, in width,
NOTE 1—A typical ordering description is as follows: 200 bars, UNS
1
⁄8in. (3.175 mm) and over in thickness. Cold-finished rounds,
N08020, 1 in. (25.4 mm) round by 10 to 14 ft (3.0 to 3.6 m), centerless
1
ground, Specification B 473.
squares, octagons, hexagons, and shapes: over ⁄2 in. (12.7 mm)
3
in diameter or size. Cold-finished flats: ⁄8 in. (9.525 mm) and
5. Materials and Manufacture
1
over in width (see Discussion(1)), ⁄8 in. and over in thickness
5.1 Heat Treatment—The product of UNS N08020 alloy
(see Discussion(2)).
3
shall be furnished in the stabilized-annealed condition. The
3.1.2.1 Discussion—(1) Widths less than ⁄8 in. (9.525 mm)
3
product of UNS N08026 alloy shall be furnished in the
and thicknesses less than ⁄16 in. (4.75 mm) are generally
solution-annealed condition. The product of UNS N08024
described as flat wire.
1
alloy shall be furnished in the annealed condition.
3.1.2.2 Discussion—(2) Thicknesses ⁄8in. (3.175 mm) to
3
under ⁄16 in. (4.75 mm) can be cold-rolled strip as well as bar.
NOTE 2—The recommended annealing temperatures all followed by
quenching in water or rapidly cooling by other means are as follows: 1700
to 1850°F (927 to 1010°C) for UNS N08020, 2050 to 2200°F (1121 to
1
This specification is under the jurisdiction of ASTM Committee B-2 on
1204°C) for UNS N08026, and 1925 to 1975°F (1052 to 1079°C) for UNS
Nonferrous Metals and Alloys and is the direct responsibility of Subcommittee
N08024.
B02.07 on Refined Nickel and Cobalt, and Alloys Containing Nickel or Cobalt or
Both as Principal Constituents.
6. Chemical Composition
Current edition approved May 10, 1996. Published June 1996. Originally
published as B 473 – 68. Last previous edition B 473 – 95. 6.1 The material shall conform to the requirements as to
2
For ASME Boiler and Pressure Vessel Code applications see related Specifi-
chemical composition prescribed in Table 1.
cation SB-473 in Section II of that Code.
6.2 If a product (check) analysis is performed by the
3
Annual Book of ASTM Standards, Vol 01.03.
4
purchaser, the material shall conform to the product (check)
Annual Book of ASTM Standards, Vol 03.01.
5
Annual Book of ASTM Standards, Vol 03.06.
1

---------------------- Page: 1 ----------------------
B 473
TABLE 1 Chemical Requirements
Composition, %
Element
UNS N08026 UNS N08020 UNS N08024
Carbon, max 0.03 0.07 0.03
Manganese, max 1.00 2.00 1.00
Phosphorus, max 0.03 0.045
...