ASTM B806-06
(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 standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.
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Designation: B 806 – 06
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* 3.1.2 Copper Alloy UNS number (Table 2) and temper
(as-cast, heat-treated, and so forth), (4.2),
1.1 This specification establishes requirements for copper
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3.1.3 Specification number, title, and year of issue.
alloy permanent mold castings for general applications.
3.1.4 Pattern or drawing number, and condition (cast, ma-
Nominal compositions of the alloys under this specification are
chined, and so forth),
shown in Table 1.
3.1.5 Pressure test requirements, if specified in the purchase
1.2 The values stated in inch-pound units are to be regarded
order (Specification B 824),
as standard. The values given in parentheses are mathematical
3.1.6 Soundness requirements, if specified in the purchase
conversions to SI units that are provided for information only
order (Specification B 824),
and are not considered standard.
3.1.7 Repair of castings (Section 7),
2. Referenced Documents
3.1.8 Certification, if specified in the purchase order (Speci-
fication B 824),
2.1 The following documents of the issue in effect on date
3.1.9 Foundry test report, if specified in the purchase order
ofmaterialpurchaseformpartofthisspecificationtotheextent
(Specification B 824),
referenced herein:
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3.1.10 Witness inspection, if specified in the purchase order
2.2 ASTM Standards:
(Specification B 824),
B 208 Practice for Preparing Tension Test Specimens for
3.1.11 Product marking, if specified in the purchase order
Copper Alloy Sand, Permanent Mold, Centrifugal, and
(Specification B 824), and
Continuous Castings
3.1.12 Castings for Seawater Service (Section 4).
B 824 Specification for General Requirements for Copper
3.2 When material is purchased for agencies of the U.S.
Alloy Castings
government, the Supplementary Requirements of Specification
E 527 Practice for Numbering Metals and Alloys (UNS)
B 824 may be specified.
3. Ordering Information
4. Materials and Manufacture
3.1 Orders for casting under this specification shall include
4.1 For better corrosion resistance in sea water applications,
the following information:
castings in Copper Alloy UNS No. C95800 shall be given a
3.1.1 Quantity of castings required,
temper anneal heat treatment at 1250 6 50°F (675 6 10°C) for
6 h minimum. Cooling shall be the fastest means possible that
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ThisspecificationisunderthejurisdictionofASTMCommitteeB05onCopper
will not cause excess distortion or cracking. Propeller castings
and Copper Alloys and is the direct responsibility of Subcommittee B05.05 on
shall be exempt from this requirement.
Castings and Ingots for Remelting.
Current edition approved Oct. 1, 2006. Published October 2006. Originally
5. Chemical Composition
approved in 1990. Last previous edition approved in 2005 as B 806 – 05.
2
The UNS system for copper and copper alloys (see Practice E 527) is a simple
5.1 Thecastingsshallconformtothechemicalrequirements
expansion of the former standard designation system accomplished by the addition
specified in Table 2.
of a prefix “C” and a suffix“ 00”. The suffix can be used to accommodate
5.2 These specification limits do not preclude the presence
composition variations of the base alloy.
3
For referenced ASTM standards, visit the ASTM website, www.astm.org, or of other elements. Limits may be established for unnamed
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
elements by agreement between the manufacturer and the
Standards volume information, refer to the standard’s Document Summary page on
supplier and the purchaser. Copper or zinc may be given as the
the ASTM website.
*ASummary of Changes section appears at the end of this standard.
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B806–06
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 . . . .
Silicon brass C87500 82.0 . . . . 4.0 . 14.0 .
C87800 82.0 . . . . 4.
...
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