ASTM B806-04
(Specification)Standard Specification for Copper Alloy Permanent Mold Castings for General Applications
Standard Specification for Copper Alloy Permanent Mold Castings for General Applications
SCOPE
1.1 This specification establishes requirements for copper alloy permanent mold castings for general applications. Nominal compositions of the alloys under this specification are shown in Table 1.
1.2 The values stated in inch-pound units are to be regarded as the standard. Metric values given in parentheses are for information only.
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Designation: B 806 – 04
Standard Specification for
Copper Alloy Permanent Mold Castings for General
1
Applications
This standard is issued under the fixed designation B 806; 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* 3.1.3 Specification number, title, and year of issue.
3.1.4 Pattern or drawing number, and condition (cast, ma-
1.1 This specification establishes requirements for copper
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chined, and so forth),
alloy permanent mold castings for general applications.
3.1.5 Pressure test requirements, if specified in the purchase
Nominal compositions of the alloys under this specification are
order (Specification B 824),
shown in Table 1.
3.1.6 Soundness requirements, if specified in the purchase
1.2 The values stated in inch-pound units are to be regarded
order (Specification B 824),
as the standard. Metric values given in parentheses are for
3.1.7 Repair of castings (Section 7),
information only.
3.1.8 Certification, if specified in the purchase order (Speci-
2. Referenced Documents fication B 824),
3.1.9 Foundry test report, if specified in the purchase order
2.1 The following documents of the issue in effect on date
(Specification B 824),
ofmaterialpurchaseformpartofthisspecificationtotheextent
3.1.10 Witness inspection, if specified in the purchase order
referenced herein:
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(Specification B 824),
2.2 ASTM Standards:
3.1.11 Product marking, if specified in the purchase order
B 208 Practice for Preparing Tension Test Specimens for
(Specification B 824), and
Copper-Base Alloys for Sand, Permanent Mold, Centrifu-
3.1.12 Castings for Seawater Service (Section 4).
gal, and Continuous Castings
3.2 When material is purchased for agencies of the U.S.
B 824 Specification for General Requirements for Copper
government, the Supplementary Requirements of Specification
Alloy Castings
B 824 may be specified.
E 527 Practice for Numbering Metals and Alloys (UNS)
4. Materials and Manufacture
3. Ordering Information
4.1 For better corrosion resistance in sea water applications,
3.1 Orders for casting under this specification shall include
castings in Copper Alloy UNS No. C95800 shall be given a
the following information:
temper anneal heat treatment at 1250 6 50°F (675 6 10°C) for
3.1.1 Quantity of castings required,
6 h minimum. Cooling shall be the fastest means possible that
3.1.2 Copper Alloy UNS number (Table 2) and temper
will not cause excess distortion or cracking. Propeller castings
(as-cast, heat-treated, and so forth), (4.2),
shall be exempt from this requirement.
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5. Chemical Composition
ThisspecificationisunderthejurisdictionofASTMCommitteeB05onCopper
and Copper Alloys and is the direct responsibility of Subcommittee B05.05 on
5.1 Thecastingsshallconformtothechemicalrequirements
Castings and Ingots for Remelting.
specified in Table 2.
Current edition approved July 1, 2004. Published July 2004. Originally approved
in 1990. Discontinued June 2002 and reinstated as B 806 – 02. Last previous edition 5.2 These specification limits do not preclude the presence
approved in 2002 as B 806 – 02.
of other elements. Limits may be established for unnamed
2
The UNS system for copper and copper alloys (see Practice E 527) is a simple
elements by agreement between the manufacturer and the
expansion of the former standard designation system accomplished by the addition
supplier and the purchaser. Copper or zinc may be given as the
of a prefix “C” and a suffix“ 00”. The suffix can be used to accommodate
composition variations of the base alloy.
remainder and may be taken as the difference between the sum
3
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
of all the elements analysed and 100 %.
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
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.
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B806–04
TABLE 1 Nominal Composition
Copper Nominal Composition
Classification Alloy Nickel (incl
Copper Aluminum Iron Manganese Silicon Lead Zinc Tin
UNS No. Cobalt)
Aluminum bronze C95300 89.0 10.0 1.0 . . . . . .
C95400 85.0 11.0 4.0 . . . . . .
C95410 84.0 10.0 4.0 . 2.0 . . . .
Nickel aluminum bronze C95500 81.0 11.0 4.0 . 4.0 . . . .
C95800 81.3 9.0 4.0 1.2 4.5 . . . .
Silico
...
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