ASTM B463-99
(Specification)Standard Specification for UNS N08020, UNS N08026, and UNS N08024 Alloy Plate, Sheet, and Strip
Standard Specification for UNS N08020, UNS N08026, and UNS N08024 Alloy Plate, Sheet, and Strip
SCOPE
1.1 This specification covers UNS N08020, UNS N08026,* and UNS N08024 alloy plate, sheet, and strip.
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.
General Information
Relations
Standards Content (Sample)
NOTICE: This standard has either been superceded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
Designation: B 463 – 99
Standard Specification for
UNS N08020, UNS N08026, and UNS N08024 Alloy Plate,
Sheet, and Strip
This standard is issued under the fixed designation B 463; 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 3.1.1 The terms plate, sheet, and strip as used in this
2 specification are defined as follows:
1.1 This specification covers UNS N08020, UNS
3 3
3.1.2 cold rolled plate—material ⁄16 to ⁄8in. (4.76 to 9.52
N08026,* and UNS N08024 alloy plate, sheet, and strip.
mm), inclusive in thickness and over 10 in. (254.0 mm) in
1.2 The values stated in inch-pound units are to be regarded
width.
as the standard. The values given in parentheses are for
3.1.3 hot rolled plate—material ⁄16 in. (4.76 mm) and over
information only.
in thickness and over 10 in. (254.0 mm) in width.
2. Referenced Documents 3.1.4 plate—material ⁄16 in. (4.75 mm) and over in thick-
ness and over 10 in. (254.0 mm) in width.
2.1 ASTM Standards:
3.1.5 sheet—material under ⁄16 in. (4.75 mm) in thickness
A 262 Practices for Detecting Susceptibility to Intergranu-
and 24 in. (609.6 mm) and over in width. Material under ⁄16 in.
lar Attack in Austenitic Stainless Steels
(4.75 mm) in thickness and in all widths with No. 4 finish.
B 880 Specification for General Requirements for Chemical
3.1.6 strip—material under ⁄16 in. (4.75 mm) in thickness
Check Analysis Limits for Nickel, Nickel Alloys and
and under 24 in. (609.6 mm) in width.
Cobalt Alloys
E 8 Test Methods for Tension Testing of Metallic Materials
4. Ordering Information
E 10 Test Method for Brinell Hardness of Metallic Materi-
4.1 It is the responsibility of the purchaser to specify all
als
requirements that are necessary for the safe and satisfactory
E 18 Test Methods for Rockwell Hardness and Rockwell
performance of material ordered under this specification.
Superficial Hardness of Metallic Materials
Examples of such requirements include, but are not limited to,
E 29 Practice for Using Significant Digits in Test Data to
the following:
Determine Conformance with Specifications
5 4.1.1 Quantity (weight or number of pieces),
E 140 Hardness Conversion Tables for Metals
4.1.2 Name of material or UNS number,
E 1473 Test Methods for Chemical Analysis of Nickel,
7 4.1.3 Form (plate, sheet or strip),
Cobalt, and High-Temperature Alloys
4.1.4 Dimensions,
3. Terminology 4.1.5 Type edge required (for strip only) (8.4.1),
4.1.6 Finish (Section 9). For sheet with No. 4 Finish, specify
3.1 Definitions of Terms Specific to This Standard:
whether one or both sides are to be polished,
4.1.7 Certification (Section 16). State if certification or a
This specification is under the jurisdiction of ASTM Committee B-2 on
report of test results is required,
Nonferrous Metals and Alloys and is the direct responsibility of Subcommittee
4.1.8 ASTM designation, and
B02.07 on Refined Nickel and Cobalt and Their Alloys.
4.1.9 Supplementary requirements.
Current edition approved May 10, 1999. Published June 1999. Originally
published as B 463 – 67. Last previous edition B 463 – 98a.
NOTE 1—A typical ordering description is as follows: 200 sheets (UNS
For ASME Boiler and Pressure Vessel Code applications, see related Specifi-
number) 0.060 by 48 by 120 in. (1.5 mm by 1.2 m by 3 m) No. 2D Finish
cation SB – 463 in Section II of that Code.
in accordance with Specification B 463.
* New designation established in accordance with ASTM E527 and SAE J1086,
Recommended Practice for Numbering Metals and Alloys (UNS).
Annual Book of ASTM Standards, Vol 01.03.
Annual Book of ASTM Standards, Vol 02.04.
Annual Book of ASTM Standards, Vol 03.01.
Annual Book of ASTM Standards, Vol 14.02.
Annual Book of ASTM Standards, Vol 03.06.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
NOTICE: This standard has either been superceded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
B463–99
TABLE 2 Mechanical Property Requirements
5. Material and Manufacture
B
Elongation
Tensile Strength,
5.1 Heat Treatment— UNS N08020 Alloy shall be fur- A
Yield Strength, min
in 2 in.
min
nished in the stabilize-annealed condition. UNS N08026 Alloy
(50.8 mm),
ksi MPa ksi MPa
min,%
shall be furnished in the solution-annealed condition. UNS
80 551 35 241 30.0
N08024 Alloy shall be furnished in the annealed condition.
C
Hardness Number, max
NOTE 2—The recommended annealing temperatures are 1800 to
Brinell Rockwell B
1850°F (982 to 1010°C) for UNS N08020, 2050 to 2200°F (1121 to 217 95
1204°C) for UNS N08026, and 1925 to 1975°F (1052 to 1079°C) for UNS A
Yield strength shall be determined by the offset method at 0.2 % limiting
N08024.
permanent set in accordance with Test Methods E 8. An alternative method of
determining yield strength may be based on a total extension under load of 0.5 %.
B
Elongation for thickness, less than 0.015 in. (0.38 mm) shall be 20 % minimum,
6. Chemical Composition
in 1 in. (25.4 mm).
C
6.1 The material shall conform to the composition limits
Either Brinell or Rockwell B hardness is permissible.
specified in Table 1.
6.2 If a product analysis is performed by the purchaser, the
TABLE 3 Permissible Variations in Thickness for Hot-Rolled
material shall conform to the composition limits specified in
Sheets in Cut Lengths, Cold-Rolled Sheets in Cut Lengths and
Coils
Table 1 subject to the product analysis tolerances per B 880.
Permissible Variations, Over
B
7. Mechanical Properties A
and Under
Specified Thickness, in. (mm)
in. mm
7.1 Mechanical Properties—The material shall conform to
the mechanical property requirements specified in Table 2.
Over 0.145 (3.68) to less than ⁄16 (4.76) 0.014 0.36
Over 0.130 (3.30) to 0.145 (3.68), incl 0.012 0.30
Over 0.114 (2.90) to 0.130 (3.30), incl 0.010 0.25
8. Dimensions and Permissible Variations
Over 0.098 (2.49) to 0.114 (2.90), incl 0.009 0.23
8.1 Sheet—The material referred to as sheet shall conform
Over 0.083 (2.11) to 0.098 (2.49), incl 0.008 0.20
Over 0.072 (1.83) to 0.083 (2.11), incl 0.007 0.18
to the variations in dimensions specified in Tables 3-11,
Over 0.058 (1.47) to 0.072 (1.83), incl 0.006 0.15
inclusive.
Over 0.040 (1.02) to 0.058 (1.47), incl 0.005 0.13
8.2 Cold-Rolled Strip—The material referred to as cold- Over 0.026 (0.66) to 0.040 (1.02), incl 0.004 0.10
Over 0.016 (0.41) to 0.026 (0.66), incl 0.003 0.08
rolled strip shall conform to the permissible variations in
Over 0.007 (0.18) to 0.016 (0.41), incl 0.002 0.05
dimensions specified in Tables 12-16, inclusive.
Over 0.005 (0.13) to 0.007 (0.18), incl 0.0015 0.04
8.3 Plate—The material referred to as plate shall conform to
0.005 (0.13) 0.001 0.03
A 3
the permissible variations in dimensions specified in Tables
Thickness measurements are taken at least ⁄8in. (9.52 mm) from the edge of
the sheet.
17-23, inclusive.
B
Cold-rolled sheets in cut lengths and coils are produced in some type numbers
8.4 Edges for Cold-Rolled Strip—The various types of
and some widths and thicknesses to tolerances less than those shown in the table.
edges procurable shall be as follows:
8.4.1 No. 1 Edge—Rolled-edge, either round or square as
specified.
9.1.1.1 No. 1 Finish— Hot-rolled, annealed, and descaled.
8.4.2 No. 3 Edge—An edge produced by slitting.
9.1.1.2 No. 2D Finish— Dull, cold-rolled finish.
8.4.3 No. 5 Edge—Approximately square edge produced by
9.1.1.3 No. 2B Finish— Bright, cold-rolled finish.
rolling or filing, or both, after slitting.
9.1.1.4 No. 4 Finish— General-purpose, polished finish.
9. Workmanship, Finish, and Appearance
Following initial grinding with coarser abrasives, sheets are
9.1 The material shall correspond to the designated finishes generally finished last with abrasives approximately 120 to 150
as described by the following: mesh. Sheets can be produced with one or two sides polished.
9.1.1 Sheet—The various types of finish on sheet products When polished on one side only, the other side may be rough
shall be as follows: ground in order to obtain the necessary flatness.
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 0.035
Sulfur, max 0.03 0.035 0.035
Silicon, max 0.50 1.00 0.50
Nickel 33.00–37.20 32.00–38.00 35.00–40.00
Chromium 22.00–26.00 19.00–21.00 22.50–25.00
Molybdenum 5.00–6.70 2.00–3.00 3.50–5.00
Copper 2.00–4.00 3.00–4.00 0.50–1.50
Columbium (Nb) + tantalum . 8 3 carbon–1.00 0.15–0.35
Nitrogen 0.10–0.16 . .
A A
Iron remainder remainder remainder
A
By difference.
NOTICE: This standard has either been superceded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
B463–99
TABLE 4 Permissible Variations in Width and Length for Hot-
purchase order additional material of adequate size to provide
Rolled Resquared Sheets (Stretcher Leveled Standard of
sample coupons for inspection purposes.
Flatness)
NOTE 1—Polished sheets with Finishes No. 4 and higher are produced
11. Number of Tests
to tolerances given in this table.
11.1 Chemical Analysis—One test per lot.
Tolerances
11.2 Mechanical Properties—In the case of sheet or strip
Specified Dimensions, in. (mm) Over
supplied in coil form, one tension test and one hardness test
Under
in. mm
shall be made on specimens taken from each end of a coil
representing the lot. When material is supplied in flat sheet, flat
For thicknesses under 0.131 (3.33):
Widths up to 48 (1219), excl ⁄16 1.59 0
strip or plate, one tension and one hardness test shall be made
Widths 48 (1219) and over ⁄8 3.18 0
on each 100 or less sheets, strips or plates of the same lot.
Lengths up to 120 (3048), excl ⁄16 1.59 0
11.2.1 If any specimens selected to represent any heat fail to
Lengths 120 (3048) and over ⁄8 3.18 0
For thicknesses 0.131 (3.33) and over:
meet any of the test requirements, the material represented by
All widths and lengths ⁄4 6.35 0
such specimens may be reworked and resubmitted for test.
12. Specimen Preparation
9.1.1.5 Bright-Annealed— Bright finish produced by cold-
12.1 Tension test specimens shall be taken from material in
rolling and annealing in a protective atmosphere.
the final condition (temper) and tested transverse to the
9.1.2 Strip—The type of finish procurable on cold-rolled
direction of rolling when width will permit.
strip shall be as follows:
9.1.2.1 No. 1 Finish— Cold-rolled, annealed, and descaled.
13. Test Methods
9.1.2.2 Bright-Annealed— Bright finish produced by cold-
rolling and annealing in a protective atmosphere.
13.1 Determine the chemical composition and mechanical
9.1.3 Plate—The types of finish procurable on plates shall
properties of the material enumerated in this specification, in
be as follows:
case of disagreement, in accordance with the following meth-
9.1.3.1 No. 1 Finish— Hot-rolled, annealed, and descaled.
ods:
9.1.3.2 No. 1 Finish— Cold-rolled, annealed, and descaled.
Test ASTM Designations
9.2 Sheet with No. 1, No. 2B, No. 2D or bright-annealed Chemical analysis E 38, E 1473
Tension E 8
surface, strip with No. 1 or bright-annealed surface, and any
Brinell hardness E 10
plate may be ground to remove surface imperfections provid-
Rockwell hardness E 18
ing such grinding does not reduce the thickness or width at any Hardness conversion E 140
Rounding procedure E 29
point beyond the permissible variations in dimensions.
13.2 For purposes of determining compliance with the
10. Sampling
limits in this specification, round an observed value or a
10.1 Lots for Chemical Analysis and Mechanical Testing:
calculated value as indicated in accordance with the rounding
10.1.1 A lot for chemical analysis shall consist of one heat.
method of Practice E 29 as follows:
10.1.2 Plate—A lot of plate for mechanical testing shall
Test Rounded Unit for Observed
consist of the product resulting from the rolling of one heat of or Calculated Value
Chemical composition hardness and nearest unit in the last right-hand place
material to the same nominal thickness, but in no case more
tolerances (when expressed in deci- of figures of the specified limit
than 25 000 lb (11 340 kg).
mals)
Tensile strength and yield strength nearest 1 000 psi (7 MPa)
10.1.3 Sheet and Strip— A lot of sheet and strip for
Elongation nearest 1 %
mechanical testing shall consist of material from one heat in
the same condition, finish and nominal thickness, but in no case
14. Inspection
more than 25 000 lb (11 340 kg).
14.1 Inspection of the material shall be agreed upon be-
NOTE 3—Where material cannot be identified by heat, a lot shall consist
tween the purchaser and the supplier as part of the purchase
of not more than 500 lb (227 kg) of material in the same thickness and
contract.
condition, except that for plates weighing over 500 lb, only one specimen
shall be taken.
15. Rejection and Rehearing
10.2 Sampling for Chemical Analysis:
15.1 Material, tested by the purchaser, that fails to conform
10.2.1 A representative sample shall be taken from each
to the requirements of this specification may be rejected.
heat during pouring or subsequent processing.
Rejection should be reported to the producer or supplier
10.2.2 Product analysis, if performed, shall be wholly the
promptly and in writing. In case of dissatisfaction with the
responsibility of the purchaser.
results of the test, the producer or supplier may make claim for
10.3 Sampling for Mechanical Tests:
a rehearing.
10.3.1 A sample of the material to provide test specimens
for mechanical tests shall be taken from such a location in each
16. Certification
lot as to be representative of that lot.
10.3.2 When samples are to be taken after delivery, the 16.1 When specified in the purchase order or contract, a
purchaser of material ordered to cut lengths may request on the manufacturer’s certification shall be furnished to the purchaser
NOTICE: This standard has either been superceded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
B463–99
TABLE 5 Permissible Variations in Weight for Hot-Rolled and Cold-Rolled Sheets
Any item of five sheets or less, or any item estimated to weigh 200 lb (90.72 kg) or less, may actually weight 200 lb (90.72 kg) or less
weigh as much as 10 %
...
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