ASTM B463-04(2009)
(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
ABSTRACT
This specification covers the standard requirements for UNS N08020, UNS N08026, and UNS N08024 alloy plate (hot- or cold-rolled), sheet, and strip. The alloys shall be furnished and heat treated at certain annealing condition and temperature range: stabilized annealing for UNS N08020 alloy; solution annealing for UNS N08026 alloy; and annealing for UNS N08024 alloy. The materials shall conform to the specified chemical composition requirements for carbon, manganese, phosphorus, sulfur, silicon, nickel, chromium, molybdenum, copper, columbium, tantalum, nitrogen, and iron. Tensile strength, yield strength, elongation, and Brinell or Rockwell hardness of the alloys shall also meet the specified mechanical property requirements.
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 standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.
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 (MSDS) 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.
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Designation: B463 – 04 (Reapproved 2009)
Standard Specification for
UNS N08020, UNS N08026, and UNS N08024 Alloy Plate,
Sheet, and Strip
This standard is issued under the fixed designation B463; 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.
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, n—material ⁄16 to ⁄8 in. (4.76 to
N08026,* and UNS N08024 alloy plate, sheet, and strip.
9.52 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 standard. The values given in parentheses are mathematical
3.1.3 hot rolled plate, n—material ⁄16 in. (4.76 mm) and
conversions to SI units that are provided for information only
over in thickness and over 10 in. (254.0 mm) in width.
and are not considered standard.
3.1.4 plate, n—material ⁄16 in. (4.75 mm) and over in
1.3 This standard does not purport to address all of the
thickness and over 10 in. (254.0 mm) in width.
safety concerns, if any, associated with its use. It is the
3.1.5 sheet, n—material under ⁄16 in. (4.75 mm) in thick-
responsibility of the user of this standard to become familiar
ness and 24 in. (609.6 mm) and over in width. Material under
with all hazards including those identified in the appropriate
⁄16 in. (4.75 mm) in thickness and in all widths with No. 4
Material Safety Data Sheet (MSDS) for this product/material
finish.
as provided by the manufacturer, to establish appropriate
3.1.6 strip, n—material under ⁄16 in. (4.75 mm) in thickness
safety and health practices, and determine the applicability of
and under 24 in. (609.6 mm) in width.
regulatory limitations prior to use.
4. General Requirements
2. Referenced Documents
4.1 Material furnished under this specification shall con-
2.1 ASTM Standards:
form to the requirements of Specification B906 unless other-
A262 Practices for Detecting Susceptibility to Intergranular
wise provided herein. In the case of conflict, the requirements
Attack in Austenitic Stainless Steels
of this specification shall take precedence.
B906 Specification for General Requirements for Flat-
Rolled Nickel and Nickel Alloys Plate, Sheet, and Strip
5. Materials and Manufacture
3. Terminology 5.1 Heat Treatment—UNS N08020Alloy shall be furnished
in the stabilize-annealed condition. UNS N08026 Alloy shall
3.1 Definitions of Terms Specific to This Standard:
be furnished in the solution-annealed condition. UNS N08024
Alloy shall be furnished in the annealed condition.
1 NOTE 1—The recommended annealing temperatures are 1800 to
This specification is under the jurisdiction of ASTM Committee B02 on
1850°F (982 to 1010°C) for UNS N08020, 2050 to 2200°F (1121 to
Nonferrous Metals and Alloys and is the direct responsibility of Subcommittee
1204°C)forUNSN08026,and1925to1975°F(1052to1079°C)forUNS
B02.07 on Refined Nickel and Cobalt and Their Alloys.
Current edition approved Oct. 1, 2009. Published October 2009. Originally N08024.
approved in 1967. Last previous edition approved in 2004 as B463 – 04. DOI:
10.1520/B0463-04R09.
6. Chemical Composition
For ASME Boiler and Pressure Vessel Code applications, see related Specifi-
6.1 The material shall conform to the composition limits
cation SB – 463 in Section II of that Code.
* New designation established in accordance withASTM E527 and SAE J1086, specified in Table 1.
Recommended Practice for Numbering Metals and Alloys (UNS).
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
7. Mechanical Properties
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
7.1 Mechanical Properties
...
This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation:B463–99 Designation: B 463 – 04 (Reapproved 2009)
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 (´) 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
1.1 This specification covers UNS N08020, UNS N08026,* and UNS N08024 alloy plate, sheet, and strip.
1.2The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information
only.
1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical
conversions to SI units that are provided for information only and are not considered standard.
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 (MSDS) 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.
2. Referenced Documents
2.1 ASTM Standards:
A 262 Practices for Detecting Susceptibility to Intergranular Attack in Austenitic Stainless Steels
B880Specification for General Requirements for Chemical CheckAnalysis Limits for Nickel, NickelAlloys and CobaltAlloys
Practices for Detecting Susceptibility to Intergranular Attack in Austenitic Stainless Steels
E8Test Methods for Tension Testing of Metallic Materials
E10Test Method for Brinell Hardness of Metallic Materials
E18Test Methods for Rockwell Hardness and Rockwell Superficial Hardness of Metallic Materials
E29Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications
E140Hardness Conversion Tables for Metals
E1473Test Methods for Chemical Analysis of Nickel, Cobalt, and High-Temperature Alloys B 906 Specification for General
Requirements for Flat-Rolled
NickelandNickelAlloysPlate,
Sheet, and Strip
3. Terminology
3.1 Definitions of Terms Specific to This Standard:
3.1.1 The terms plate, sheet, and strip as used in this specification are defined as follows:
3 3
3.1.2 cold rolled platecold rolled plate, n—material ⁄16 to ⁄8 in. (4.76 to 9.52 mm), inclusive in thickness and over 10 in. (254.0
mm) in width.
3.1.3 hot rolled platehot rolled plate, n—material ⁄16 in. (4.76 mm) and over in thickness and over 10 in. (254.0 mm) in width.
3.1.4 plateplate, n—material ⁄16 in. (4.75 mm) and over in thickness and over 10 in. (254.0 mm) in width.
3 3
3.1.5 sheetsheet, n—material under ⁄16 in. (4.75 mm) in thickness and 24 in. (609.6 mm) and over in width. Material under ⁄16
in. (4.75 mm) in thickness and in all widths with No. 4 finish.
This specification is under the jurisdiction of ASTM Committee B-2 B02 on Nonferrous Metals and Alloys and is the direct responsibility of Subcommittee B02.07 on
Refined Nickel and Cobalt and Their Alloys.
Current edition approved May 10, 1999. Published June 1999. Originally published as B463–67. Last previous edition B463–98a.
Current edition approved Oct. 1, 2009. Published October 2009. Originally approved in 1967. Last previous edition approved in 2004 as B 463 – 04.
For ASME Boiler and Pressure Vessel Code applications, see related Specification SB – 463 in Section II of that Code.
* New designation established in accordance with ASTM E 527 and SAE J1086, Recommended Practice for Numbering Metals and Alloys (UNS).
For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Service at service@astm.org. For Annual Book of ASTM Standards
, Vol 01.03.volume information, refer to the standard’s Document Summary page on the ASTM website.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
B 463 – 04 (2009)
3.1.6 stripstrip, n—material under ⁄16 in. (4.75 mm) in thickness and under 24 in. (609.6 mm) in width.
4. Ordering Information
4.1It is the responsibility of the purchaser to specify all requirements that are necessary for the safe and satisfactory performance
of material ordered under this specification. Examples of such requirements include, but are not limited to, the following:
4.1.1Quantity (weight or number of pieces),
4.1.2Name of material or UNS number,
4.1.3Form (plate, sheet or strip),
4.1.4Dimensions,
4.1.5Type edge required (for strip only) (8.4.1),
4.1.6Finish (Section 9). For sheet with No. 4 Finish, specify whether one or both sides are to be polished,
4.1.7Certification (Section 16). State if certification or a report of test results is required,
4.1.8ASTM designation, and
4.1.9Supplementary requirements.
NOTE1—A typical ordering description is as follows: 200 sheets (UNS number) 0.060 by 48 by 120 in. (1.5 mm by 1.2 m by 3 m) No. 2D Finish in
accordance with Specification B463. General Requirements
4.1 Material furnished under this specification shall conform to the requirements of Specification B 906 unless otherwise
provided herein. In the case of conflict, the requirements of this specification shall take precedence.
5. Material and Manufacture
5.1 Heat Treatment— UNS N08020 Alloy shall be furnished in the stabilize-annealed condition. UNS N08026 Alloy shall be
furnished in the solution-annealed condition. UNS N08024 Alloy shall be furnished in the annealed condition.
NOTE2—The 1—The recommended annealing temperatures are 1800 to 1850°F (982 to 1010°C) for UNS N08020, 2050 to 2200°F (1121 to 1204°C)
for UNS N08026, and 1925 to 1975°F (1052 to 1079°C) for UNS N08024.
6. Chemical Composition
6.1 The material shall conform to the composition limits specified in Table 1.
6.2If a product analysis is performed by the purchaser, the material shall conform to the composition limits specified in Table
1 subject to the product analysis tolerances per B880.
7. Mechanical Properties
7.1 Mechanical Properties—The material shall conform to the mechanical property requirements specified in Table 2.
8. Dimensions and Permissible Variations
8.1Sheet—The material referred to as sheet shall conform to the variations in dimensions specified in Tables 3-11, inclusive.
8.2Cold-Rolled Strip—The material referred to as cold-rolled strip shall conform to the permissible variations in dimensions
specified in Tables 12-16, inclusive.
8.3Plate—The material referred to as plate shall conform to the permissible variations in dimensions specified in Tables 17-23,
inclusive.
8.4Edges for Cold-Rolled Strip —The various types of edges procurable shall be as follows:
8.4.1No. 1 Edge—Rolled-edge, either round or square as specified.
8.4.2No. 3 Edge—An edge produced by slitting.
8.4.3No. 5 Edge—Approximately square edge produced by rolling or filing, or both, after slitting.
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.
B 463 – 04 (2009)
TABLE 2 Mechanical Property Requirements
B
Elongation
Tensile Strength,
A
Yield Strength, min
in2in.
min
(50.8 mm),
ksi MPa ksi MPa
min,%
80 551 35 241 30.0
C
Hardness Number, max
Brinell Rockwell B
217 95
A
Yield strength shall be determined by the offset method at 0.2 % limiting
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
...
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