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ASTM
ASTM B 763 : 2012

ASTM B 763 : 2012

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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Standard Specification for Copper Alloy Sand Castings for Valve Applications

Available format(s)

Hardcopy , PDF

Superseded date

18-09-2020

Language(s)

English

Published date

01-04-2012

Publisher

American Society for Testing and Materials

Committee
B 05
DocumentType
Standard
Pages
6
PublisherName
American Society for Testing and Materials
Status
Superseded
SupersededBy
Supersedes

1.1 This specification establishes requirements for copper alloy sand castings for valve applications. Nominal compositions of the alloys defined by this specification are shown in Table 1.

Note 1—This specification does not cover Copper Alloy UNS Nos. C83600, C92200, C96200, and C96400. These alloys are also used in valve applications. They are covered by the following specifications:

C83600: B62
C92200: B61
C96200: B369
C96400: B369


1.2 The castings produced under this specification are used in products which may be manufactured in advance and supplied for sale from stock by the manufacturer.

1.3 Units—The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.

TABLE 1 Nominal Compositions

ClassificationCopper Alloy UNS No.Commercial DesignationCopperTinLeadZincNickel IronAlumi-
num		Man-
ganese		Sili-
con		BismuthSelenium
Leaded red brassC83450 8821/2 261/2 1. . .. . .. . .. . .. . .. . .
C8380083-4-6-7 or commercial red brass83 467 . . . . . . . . . . . . . . . . . .. . .
Leaded semi-red brassC8440081-3-7-9 or valve composition813 79. . .. . .. . .. . .. . .. . .. . .
C8480076-21/2-6½-15, or semi-red brass76 21/261/215. . .. . .. . .. . .. . .. . .. . .
Leaded yellow brassC85200high-copper yellow brass721324. . .. . .. . .. . .. . .. . .. . .
C85400commercial No. 1 yellow brass671329 . . . . . . . . . . . . . . . . . .. . .
C85700leaded naval brass 6111 37. . .. . .. . .. . .. . .. . .. . .
High-strength yellow brassC86200high-strength manganese bronze63. . .. . .27 . . . 343. . .. . .. . .
C86300high-strength manganese bronze61. . .. . .27. . .3 63. . .. . .. . .
C86400leaded manganese bronze581138 . . . 11/21/2. . .. . .. . .
C86500No. 1 manganese bronze58. . .. . .39. . .1 11. . .. . .. . .
C86700leaded manganese bronze581134 . . . 222. . .. . .. . .
Silicon bronze and siliconC87300silicon bronze95 . . . . . . . . . . . . . . . . . . 14. . .. . .
brassC87400silicon brass82. . .1/2 14. . .. . .. . .. . .31/2 . . .. . .
C87500silicon brass 82. . .. . .14. . .. . .. . .. . .4 . . .. . .
C87600silicon bronze 89. . .. . .6. . .. . .. . .. . .5 . . .. . .
C87610silicon bronze 92. . .. . .4. . .. . .. . .. . .4 . . .. . .
C89530Bismuth-Selenium86.54.7. . .8.0. . .. . .. . .. . .. . .1.5.20
C89535Bismuth86.53.0. . .7.0.65. . .. . .. . .. . .1.4. . .
Bismuth brassC89720A67.51. . .29.8. . .. . .0.5. . .0.50.7. . .
Bismuth semi-red brassC89844bismuth brass841/24. . .8 . . . . . . . . . . . . . . . 3. . .
Tin bronze and leaded tinC9030088-8-0-4, or modified “G” bronze888. . .4. . .. . .. . .. . .. . .. . .. . .
bronze
C9050088-10-0-2, on “G” bronze88 10. . .2. . .. . .. . .. . .. . .. . .. . .
C9230087-8-1-4, or Navy PC87814 . . . . . . . . . . . . . . . . . .. . .
C9260087-10-1-2 871012. . .. . .. . .. . .. . .. . .. . .
High-lead tin bronzeC9320083-7-7-383 773 . . . . . . . . . . . . . . . . . .. . .
C9350085-5-9-1 8559 1. . .. . .. . .. . .. . .. . .. . .
C9370080-10-10 801010. . .. . .. . .. . .. . .. . .. . .. . .
C9380078-7-15 78715 . . . . . . . . . . . . . . . . . . . . .. . .
C9430071-5-24 71524 . . . . . . . . . . . . . . . . . . . . .. . .
Nickel-tin bronze andC94700nickel-tin bronze grade “A”885 . . . 25. . .. . .. . .. . .. . .. . .
leaded nickel-tin bronzeC94800leaded nickel-tin bronze grade “B”8751 25. . .. . .. . .. . .. . .. . .
C94900leaded nickel-tin bronze grade “C”805555 . . . . . . . . . . . . . . .. . .
Aluminum bronzeC95200Grade A88. . .. . .. . .. . .39 . . . . . . . . .. . .
C95300Grade B 89. . .. . .. . .. . .110 . . . . . . . . .. . .
C95400Grade C 85. . .. . .. . .. . .411 . . . . . . . . .. . .
C9541084. . .. . .. . .24 10. . .. . .. . .. . .
Silicon aluminum bronzeC95600Grade E91 . . . . . . . . . . . . . . . 7. . .2. . .. . .
Nickel aluminum bronzeC95500Grade D81 . . . . . . . . . 4411. . .. . .. . .. . .
C9580081.3. . .. . .. . .4.54 91.2. . .. . .. . .
Leaded nickel bronzeC9730012 % leaded nickel silver572 92012 . . . . . . . . . . . . . . .. . .
C9760020 % leaded nickel silver64 448 20. . .. . .. . .. . .. . .. . .
C9780025 % leaded nickel silver66 522 25. . .. . .. . .. . .. . .. . .
Special alloysC99400 87. . .. . .4.43.0 3.01.6. . .1.0. . .. . .
C9950087. . .. . .1.54.5 4.01.7. . .1.3. . .. . .

A Antimony 0.07, Boron 0.001.

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