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ASTM B806-08a

Historical Revision

Standard Specification for Copper Alloy Permanent Mold Castings for General Applications

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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.

TABLE 1 Nominal Composition

ClassificationCopper
Alloy
UNS No.
Nominal Composition
CopperAluminumIronManganeseNickel (incl Cobalt)SiliconLeadZincTin
Aluminum bronzeC95300
C95400
C95410
89.0
85.0
84.0
10.0
11.0
10.0
1.0
4.0
4.0
...
...
...
...
...
2.0
...
...
...
...
...
...
...
...
...
...
...
...
Nickel aluminum bronzeC95500
C95800
81.0
81.3
11.0
9.0
4.0
4.0
...
1.2
4.0
4.5
...
...
...
...
...
...
...
...
Silicon brassC87500
C87800
82.0
82.0
...
...
...
...
...
...
...
...
4.0
4.0
...
...
14.0
14.0
...
...
C87850A76.0. . .. . .. . .. . .3.0. . .20.9. . .
Lead-free yellow brassBC8954061.00.400.30...0.5......36.00.8

A Phosphorus 0.12.

B Bismuth 0.9; selenium 0.03.


This specification covers the requirements for UNS C95300, C95400, C95410, C95500, C95800, C87500, C87800, C87850, and C89540 copper alloy permanent mold castings for general applications. UNS C95800 copper alloy used in sea water applications should be heat treated for better corrosion resistance. In general, alloys included in this specification are weldable. Mechanical properties like the tensile strength, yield strength and elongation are determined from separately cast test bar castings and should conform to the specified requirements.


SDO ASTM: ASTM International
Document Number B806
Publication Date Oct. 1, 2008
Language en - English
Page Count 3
Revision Level 08a
Supercedes
Committee B05.05
Publish Date Document Id Type View
Oct. 1, 2023 B0806-23 Revision
April 1, 2014 B0806-14 Revision
Oct. 1, 2008 B0806-08A Revision
April 1, 2008 B0806-08 Revision
Oct. 1, 2006 B0806-06 Revision
Nov. 1, 2005 B0806-05 Revision
July 1, 2004 B0806-04 Revision
Dec. 10, 2002 B0806-02 Revision
Jan. 1, 1993 B0806-93A Revision
Jan. 1, 1993 B0806-93 Revision
May 1, 2022 B0806-14R22 Reaffirmation