ASTM B369-06

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
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Designation: B 369 – 06
Standard Specification for
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Copper-Nickel Alloy Castings
This standard is issued under the fixed designation B 369; 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 208 Practice for Preparing Tension Test Specimens for
Copper Alloy Sand, Permanent Mold, Centrifugal, and
1.1 This specification establishes the requirements for
Continuous Castings
copper-nickel alloy castings with nominal compositions shown
2 B 824 Specification for General Requirements for Copper
in Table 1. These are as follows:
Alloy Castings
2
Copper Alloy UNS No. Previous Designation
B 846 Terminology for Copper and Copper Alloys
C96200 Alloy A
E 527 Practice for Numbering Metals and Alloys (UNS)
C96400 Alloy B
2.2 ASME Code:
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ASME Boiler and Pressure Vessel Code
1.2 Castings of these alloys are used primarily for
2.3 AWS Standard:
corrosion-resistance applications such as in construction and
AWSA5.6 Specification for Copper and Copper-AlloyArc-
for pressure vessels, particularly in marine pumps, valves, and
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Welding Electrodes
fittings.
1.3 These alloys are considered weldable, but they may be
3. Terminology
ordered with a weld test to ensure weldability. When extensive
3.1 Fordefinitionsoftermsrelatingtocopperalloys,referto
welding is to be performed on the casting, weldability tests
Terminology B 846.
should be specified in the ordering information (4.2.6)to
ensure proper welding characteristics.
4. Ordering Information
1.4 Units—Values stated in inch-pound units are to be
4.1 Orders for castings under this specification should
regarded as standard. The values given in parentheses are
include the following information:
mathematical conversions to SI units, which are provided for
4.1.1 Specification title, number, and year of issue,
information only and are not considered standard.
4.1.2 Quantity of castings,
1.5 The following hazard statement applies only to Section
4.1.3 Copper Alloy UNS Number (Table 2),
7,WeldabilityTest,ofthisspecification.Thisstandarddoesnot
4.1.4 Pattern or drawing number and condition (as-cast,
purport to address all of the safety concerns, if any, associated
machined, and so forth),
with its use. It is the responsibility of the user of this standard
4.1.5 ASME Boiler and PressureVessel Code Requirements
to establish appropriate safety and health practices and
(Section 12),
determine the applicability of regulatory limitations prior to
4.1.6 When material is purchased for agencies of the U.S.
use.
Government, the Supplementary Requirements of this specifi-
2. Referenced Documents
cation may be specified.
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4.2 The following are optional and should be specified in
2.1 ASTM Standards:
the purchase order when required:
4.2.1 Pressure test or soundness requirements (Specification
1 B 824),
ThisspecificationisunderthejurisdictionofASTMCommitteeB05onCopper
4.2.2 Witness inspection (Specification B 824),
and Copper Alloys and is the direct responsibility of Subcommittee B05.05 on
Castings and Ingots for Remelting.
4.2.3 Certification (Specification B 824),
Current edition approved Oct. 1, 2006. Published October 2006. Originally
4.2.4 Foundry test report (Specification B 824),
approved in 1961. Last previous edition approved in 2003 as B 369 – 96 (2003).
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4.2.5 Product marking (Specification B 824),
The UNS system for copper and copper alloys (see Practice E 527) is a simple
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
composition variations of the base alloy.
3 4
For referenced ASTM standards, visit the ASTM website, www.astm.org, or Available from American Society of Mechanical Engineers (ASME), ASME
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM International Headquarters, Three Park Ave., New York, NY 10016-5990.
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Standards volume information, refer to the standard’s Document Summary page on Available from The American Welding Society (AWS), 550 NW LeJeune Rd.,
the ASTM website. Miami, FL 33126.
*ASummary of Changes section appears at the end of this standard.
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B369–06
TABLE 1 Nominal Compositions
Composition, %
Copper Alloy UNS No.
Copper Nickel Iron Silicon Manganese Niobium
C96200 87.5 10.0 1.5 0.1 0.9 .
C96400 67.0 30.0 0.7 0.5 0.8 1.0
TABLE 2 Chemical Requirements TABLE 4 Metric Conversion Val
...