ASTM B422-06

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Designation: B 422 – 06
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* B 846 Terminology for Copper and Copper Alloys
2 E 527 Practice for Numbering Metals and Alloys (UNS)
1.1 Thisspecificationestablishestherequirementsfor Cop-
per Alloy UNS Nos. C19010, C19020, C19025, C63800,
3. General Requirements
C64725, C70250, C70260, and C70265 sheet and strip.
3.1 Material furnished to this specification shall be in
1.2 The values stated in inch-pound units are to be regarded
accordance with the applicable requirements of the current
as the standard. The values given in SI units represent
edition of Specification B 248.
mathematical conversions, which are provided for information
only and are not considered standard.
4. Terminology
1.3 This standard does not purport to address all of the
4.1 Definitions—For definitions of terms related to copper
safety concerns, if any, associated with its use. It is the
and copper alloys, refer to Terminology B 846.
responsibility of the user of this standard to establish appro-
priate safety and health practices and determine the applica-
5. Ordering Information
bility of regulatory limitations prior to use.
5.1 Orders for material under this specification should
include the following information:
2. Referenced Documents
5.1.1 Quantity (of each size),
2.1 The following documents of the issue in effect on date
5.1.2 Alloy: Copper Alloy UNS No. (Section 1),
of material purchase form a part of this specification to the
5.1.3 Form of material (sheet or strip),
extent referenced herein:
3 5.1.4 Temper (see 7.1),
2.2 ASTM Standards:
5.1.5 Dimensions (thickness, width, length (if applicable),
B 248 Specification for General Requirements for Wrought
5.1.6 How furnished (rolls, specific lengths with or without
Copper and Copper-Alloy Plate, Sheet, Strip, and Rolled
ends, stock lengths with or without ends),
Bar
5.1.7 Type of edge, if required (slit, sheared, sawed, square
B 248M Specification for General Requirements for
corners,roundedcorners,roundededges,orfull-roundededges
Wrought Copper and Copper-Alloy Plate, Sheet, Strip, and
(see 10.6),
Rolled Bar [Metric]
5.1.8 Type of width and straightness tolerances, if required
(slit-metal tolerances, square sheared-metal tolerances, sawed-
metal tolerances, straightened or edge-rolled-metal tolerances)
1
ThisspecificationisunderthejurisdictionofASTMCommitteeB05onCopper
(Section 10), and
andCopperAlloysandisthedirectresponsibilityofSubcommitteeB05.01onPlate,
5.1.9 ASTM specification number and year of issue.
Sheet, and Strip.
Current edition approved Oct. 15, 2006. Published October 2006. Originally
5.2 In addition, when material is purchased for agencies of
approved 1965. Last previous edition approved in 2005 as B 422 – 05.
the U.S. government, it shall conform to the Supplementary
2
The UNS system for copper and copper alloys (see Practice E 527) is a simple
Requirements as defined in Specification B 248 when specified
expansion of the former standard designation system accomplished by the addition
in the contract or purchase order.
of a prefix “C” and a suffix “00.” The suffix can be used to accommodate
composition variations of the base alloy.
3
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
6. Chemical Composition
contactASTM Customer Service at service@astm.org. ForAnnual Book of ASTM
6.1 The materials shall conform to the compositions pre-
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. scribed in Table 1.
*ASummary of Changes section appears at the end of this standard.
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B422–06
TABLE 1 Chemical Requirements Composition %
Element C19010 C19020 C19025 C63800 C64725 C70250 C70260 C70265
A B B B
Nickel 0.8–1.8 0.50–3.0 0.80–1.2 0.20 max. 1.3–2.7 2.2–4.2 1.0–3.0 1.0–3.0
Silicon 0.15–0.35 . . . . . . 1.5–2.1 0.20–0.8 0.25–1.2 0.20–0.7 0.20–0.7
Lead, max . . . . . . . . . 0.05 0.01 0.05 . . . 0.05
Iron, max . . . . 0.10 0.20 0.25 0.20 . . . . .
Zinc, max . . . . . . 0.20 0.8 0.50–1.5 1.0 . . . 0.30
Aluminum . . . . . . . . . 2.5–3.1 .
...