ASTM B424-19

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Designation:B424 −19
Standard Specification for
Nickel-Iron-Chromium-Molybdenum-Copper Alloys Plate,
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Sheet, and Strip
This standard is issued under the fixed designation B424; 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 U.S. Department of Defense.
1. Scope* 3. Terminology
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1.1 This specification covers rolled nickel-iron-chromium-
3.1 Descriptions of Terms Specific to This Standard—The
molybdenum-copper alloys (UNS N06845, UNS N08221,
terms given in Table 1 shall apply.
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UNS N08825, and UNS N08827) plate, sheet, and strip.
4. General Requirements
1.2 The values stated in inch-pound units are to be regarded
as standard. The values given in parentheses are mathematical
4.1 Material furnished under this specification shall con-
conversions to SI units that are provided for information only
form to the applicable requirements of Specification B906.
and are not considered standard.
1.3 This standard does not purport to address all of the
5. Ordering Information
safety concerns, if any, associated with its use. It is the
5.1 It is the responsibility of the purchaser to specify all
responsibility of the user of this standard to become familiar
requirements that are necessary for the safe and satisfactory
with all hazards including those identified in the appropriate
performance of material ordered under this specification.
Safety Data Sheet (SDS) for this product/material as provided
Examples of such requirements include, but are not limited to,
by the manufacturer, to establish appropriate safety, health,
the following:
and environmental practices, and determine the applicability
5.1.1 ASTM designation and year of issue.
of regulatory limitations prior to use.
5.1.2 Alloy name or UNS number.
1.4 This international standard was developed in accor-
dance with internationally recognized principles on standard-
5.1.3 Condition—Table 2 and Appendix X1.
ization established in the Decision on Principles for the
5.1.4 Finish—Appendix X1.
Development of International Standards, Guides and Recom-
5.1.5 Dimensions—Thickness, width, and length.
mendations issued by the World Trade Organization Technical
5.1.6 Quantity.
Barriers to Trade (TBT) Committee.
5.1.7 Optional Requirements:
5.1.7.1 Sheet and Strip—Whether to be furnished in coil, in
2. Referenced Documents
cut straight lengths, or in random straight lengths.
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2.1 ASTM Standards:
5.1.7.2 Strip—Whether to be furnished with commercial slit
B906 Specification for General Requirements for Flat-
edge, square edge, or round edge.
Rolled Nickel and Nickel Alloys Plate, Sheet, and Strip
5.1.7.3 Plate—Whether to be furnished specially flattened
(see 8.7); also how plate is to be cut (Table 3).
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5.1.8 Certification—State if certification is required (Speci-
This specification is under the jurisdiction of ASTM Committee B02 on
Nonferrous Metals and Alloys and is the direct responsibility of Subcommittee
fication B906, section on Material Test Report and Certifica-
B02.07 on Refined Nickel and Cobalt and Their Alloys.
tion).
Current edition approved Nov. 1, 2019. Published November 2019. Originally
5.1.9 Samples for Product (Check) Analysis—Whether
approved in 1964. Last previous edition approved in 2016 as B424 – 11 (2016).
DOI: 10.1520/B0424-19.
samples for product (check) analysis should be furnished (see
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For ASME Boiler and Pressure Vessel Code applications, see related Specifi-
Specification B906, section on Sampling).
cation SB-424 in Section II of that Code.
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5.1.10 Purchaser Inspection—If the purchaser wishes to
New designation established in accordance with ASTM E527 and SAE J1086,
Practice for Numbering Metals and Alloys (UNS).
witness tests or inspection of material at the place of
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For referenced ASTM standards, visit the ASTM website, www.astm.org, or
manufacture, the purchase order must so state, indicating
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
which tests or inspections are to be witnessed (Specification
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. B906, section on Inspection).
*A Summary of Changes section appears at the end of this standard
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B424−19
TABLE 1 Product Description
Width of Sheared, Plasma Torch-Cut, and Abrasive-Cut Rect-
Product Thickness, in. (mm) angular Plate Table and Permissible Variations in Diameter for
A
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Hot-rolled pl
...