ASTM B422-05
(Specification)Standard Specification for Copper-Aluminum-Silicon-Cobalt Alloy, Copper-Nickel-Silicon-Magnesium Alloy, Copper-Nickel-Silicon Alloy, Copper-Nickel-Aluminum-Magnesium Alloy, and Copper-Nickel-Tin Alloy Sheet and Strip
Standard Specification for Copper-Aluminum-Silicon-Cobalt Alloy, Copper-Nickel-Silicon-Magnesium Alloy, Copper-Nickel-Silicon Alloy, Copper-Nickel-Aluminum-Magnesium Alloy, and Copper-Nickel-Tin Alloy Sheet and Strip
SCOPE
1.1 This specification establishes the requirements for Copper Alloy UNS Nos. C19010, C19020, C19025, C63800, C70250, C70260 and C70265 Sheet and Strip.
1.2 The values stated in inch-pound units are to be regarded as the standard. The values given in SI units represent mathematical conversions, which are provided for information only and are not considered standard.
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 establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
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Designation: B 422 – 05
Standard Specification for
Copper-Aluminum-Silicon-Cobalt Alloy, Copper-Nickel-
Silicon-Magnesium Alloy, Copper-Nickel-Silicon Alloy,
Copper-Nickel-Aluminum-Magnesium Alloy, and Copper-
1
Nickel-Tin Alloy Sheet and Strip
This standard is issued under the fixed designation B 422; 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. General Requirements
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1.1 Thisspecificationestablishestherequirementsfor Cop- 3.1 Material furnished to this specification shall be in
per Alloy UNS Nos. C19010, C19020, C19025, C63800, accordance with the applicable requirements of the current
C70250, C70260 and C70265 Sheet and Strip. edition of Specification B 248.
1.2 The values stated in inch-pound units are to be regarded
4. Terminology
as the standard. The values given in SI units represent
4.1 Definitions—For definitions of terms related to copper
mathematical conversions, which are provided for information
only and are not considered standard. and copper alloys, refer to Terminology B 846.
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 Orders for material under this specification should
responsibility of the user of this standard to establish appro-
include the following information:
priate safety and health practices and determine the applica-
5.1.1 Quantity (of each size),
bility of regulatory limitations prior to use.
5.1.2 Alloy: Copper Alloy UNS No. (Section 1),
2. Referenced Documents
5.1.3 Form of material (sheet or strip),
5.1.4 Temper (see 7.1),
2.1 The following documents of the issue in effect on date
5.1.5 Dimensions (thickness, width, length (if applicable),
of material purchase form a part of this specification to the
extent referenced herein: 5.1.6 How furnished (rolls, specific lengths with or without
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ends, stock lengths with or without ends),
2.2 ASTM Standards:
B 248 Specification for General Requirements for Wrought 5.1.7 Type of edge, if required (slit, sheared, sawed, square
corners,roundedcorners,roundededges,orfull-roundededges
Copper and Copper–Alloy Plate, Sheet, Strip, and Rolled
Bar (see 10.6),
5.1.8 Type of width and straightness tolerances, if required
B 846 Terminology for Copper and Copper Alloys
E 527 Practice for Numbering Metals and Alloys (UNS) (slit-metal tolerances, square sheared-metal tolerances, sawed-
metal tolerances, straightened or edge-rolled-metal tolerances)
(Section 10), and
1
ThisspecificationisunderthejurisdictionofASTMCommitteeB05onCopper
5.1.9 ASTM specification number and year of issue.
andCopperAlloysandisthedirectresponsibilityofSubcommitteeB05.01onPlate,
5.2 In addition, when material is purchased for agencies of
Sheet, and Strip.
the U.S. Government, it shall conform to the Supplementary
Current edition approved Mar. 1, 2005. Published March 2005. Originally
approved 1965. Last previous edition approved in 2004 as B 422 – 04.
Requirements as defined in Specification B 248 when specified
2
The UNS system for copper and copper alloys (see Practice E 527) is a simple
in the contract or purchase order.
expansion of the former standard designation system accomplished by the addition
of a prefix “C” and a suffix “00.” The suffix can be used to accommodate
6. Chemical Composition
composition variations of the base alloy.
3
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
6.1 The materials shall conform to the compositions pre-
contactASTM Customer Service at service@astm.org. ForAnnual Book ofASTM
scribed in Table 1.
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.
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B422–05
TABLE 1 Chemical Requirements Composition %
Element C19010 C19020 C19025 C63800 C70250 C70260 C70265
A A A
Nickel 0.8–1.8 0.50–3.0 0.80–1.20 0.20 max. 2.2–4.2 1.0–3.0 1.0–3.0
Silicon 0.15–0.35 . . . . . . 1.5–2.1 0.25–1.2 0.20–0.7 0.20–0.7
Lead, max. . . . . . . . . . 0.05 0.05 . . . 0.05
Iron, max. . . . . . . . 0.20 0.20 . . . . .
Zinc, max. . . . . . . 0.20 0.8 1.0 . . . 0.30
Aluminum . . . . . . . . . 2.5–3.1 . . . . . . . . .
Copper remainder remainder remainder remainder remainder remainder remainder
Cobalt . . . . . . . . . 0.25–0.55 . . . . . . . . .
Manganese, max. . . . . . . . .
...
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