Standard Specification for Ni-Fe-Cr-Mo-Cu Alloy (UNS N08825 and UNS N08221)* Plate, Sheet, and Strip

ABSTRACT
This specification covers rolled nickel-iron-chromium-molybdenum-copper alloy (UNS N08825 and UNS N08221) plate, sheet, and strip. The material shall conform to the chemical composition requirements specified by the reference material. The material shall conform to the mechanical properties specified by the reference material.
SCOPE
1.1 This specification covers rolled nickel-iron-chromium-molybdenum-copper alloy (UNS N08825 and UNS N08221)* 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.
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.

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30-Apr-2005
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ASTM B424-05 - Standard Specification for Ni-Fe-Cr-Mo-Cu Alloy (UNS N08825 and UNS N08221)* Plate, Sheet, and Strip
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.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 424 – 05
Standard Specification for
Ni-Fe-Cr-Mo-Cu Alloy (UNS N08825 and UNS N08221)* Plate,
1
Sheet, and Strip
This standard is issued under the fixed designation B 424; 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* B 906 Specification for General Requirements for Flat-
2 Rolled Nickel, Nickel Alloy Plate, Sheet, and Strip
1.1 This specification covers rolled nickel-iron-chromium-
molybdenum-copper alloy (UNS N08825 and UNS N08221)*
3. Terminology
plate, sheet, and strip.
3.1 Definitions of Terms Specific to This Standard: Descrip-
1.2 The values stated in inch-pound units are to be regarded
tions of Terms Specific to This Standard—The terms given in
as the standard. The values given in parentheses are for
Table 1 shall apply.
information only.
1.3 This standard does not purport to address all of the
4. General Requirements
safety concerns, if any, associated with its use. It is the
4.1 Material furnished under this specification shall con-
responsibility of the user of this standard to become familiar
form to the applicable requirements of Specification B 906.
with all hazards including those identified in the appropriate
Material Safety Data Sheet for this product/material as pro-
5. Ordering Information
vided by the manufacturer, to establish appropriate safety and
5.1 It is the responsibility of the purchaser to specify all
health practices, and determine the applicability of regulatory
requirements that are necessary for the safe and satisfactory
limitations prior to use.
performance of material ordered under this specification.
Examples of such requirements include, but are not limited to,
2. Referenced Documents
3 the following:
2.1 ASTM Standards:
5.1.1 ASTM designation and year of issue.
B 425 Specification for Ni-Fe-Cr-Mo-Cu Alloy (UNS
5.1.2 Alloy name or UNS number.
N08825 and UNS N08221) Rod and Bar
5.1.3 Condition—Table 3 and Appendix X1.
5.1.4 Finish—Appendix X1.
1
This specification is under the jurisdiction of ASTM Committee B02 on
5.1.5 Dimensions—Thickness, width, and length.
Nonferrous Metals and Alloys and is the direct responsibility of Subcommittee
5.1.6 Quantity.,
B02.07 on Refined Nickel and Cobalt and Their Alloys.
5.1.7 Optional Requirements:
Current edition approved May 1, 2005. Published June 2005. Originally
approved in 1964. Last previous edition approved in 1998 as B 424 – 98a. 5.1.7.1 Sheet and Strip—Whether to be furnished in coil, in
2
For ASME Boiler and Pressure Vessel Code applications, see related Specifi-
cut straight lengths, or in random straight lengths.
cation SB-424 in Section II of that Code.
5.1.7.2 Strip—Whethertobefurnishedwithcommercialslit
* New designation established in accordance withASTM E527 and SAE J1086,
edge, square edge, or round edge.
Practice for Numbering Metals and Alloys (UNS).
3
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
5.1.7.3 Plate—Whether to be furnished specially flattened
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
(see 8.7); also how plate is to be cut (Table 4).
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website.
*ASummary of Changes section appears at the end of this standard.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1

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B424–05
TABLE 2 Chemical Requirements
Element UNS N08825 UNS N08221
Nickel 38.0 to 46.0 39.0 to 46.0
Chromium 19.5 to 23.5 20.0 to 22.0
A
Iron 22.0 min balance
Manganese 1.0 max 1.0 max
Carbon 0.05 max 0.025 max
Copper 1.5 to 3.0 1.5 to 3.0
Silicon 0.5 max 0.5 max
Sulfur 0.03 max 0.03 max
Aluminum 0.2 max 0.2 max
Titanium 0.6 to 1.2 0.6 to 1.0
Molybdenum 2.5 to 3.5 5.0 to 6.5
A
Element shall be determined arithmetically by difference.
TABLE 3 Mechanical Properties for Plate, Sheet, and Strip
(All Thicknesses and Sizes Unless Otherwise Indicated)
A
Alloy Condition Tensile Strength, Yield Strength (0.2 % Offset), Elongation in 2 in. or 50 mm
min, ksi (MPa) min, ksi (MPa) (or 4 D), min, %
Hot-Rolled Plate:
UNS N08825 annealed 85 (586) 35 (241) 30
UNS N08221 annealed 79 (544) 34 (235) 30
Cold-Rolled Plate:
UNS N08825 annealed 85 (586) 35 (241) 30
UNS N08221 annealed 79 (544) 34 (235) 30
Hot-Rolled Sheet:
UNS N08825 annealed 85 (586) 35 (241) 30
UNS N08221 annealed 79 (544) 34 (235) 30
Cold-Rolled Sheet:
UNS N08825 annealed 85 (586) 35 (241) 30
UNS N08221 annealed 79 (544) 34 (235) 30
Col
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