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    ASTM B763-12

    Standard Specification for Copper Alloy Sand Castings for Valve Applications

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    1. Scope

    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.


    2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

    ASTM Standards

    B61 Specification for Steam or Valve Bronze Castings

    B62 Specification for Composition Bronze or Ounce Metal Castings

    B208 Practice for Preparing Tension Test Specimens for Copper Alloy Sand, Permanent Mold, Centrifugal, and Continuous Castings

    B369 Specification for Copper-Nickel Alloy Castings

    B824 Specification for General Requirements for Copper Alloy Castings

    E10 Test Method for Brinell Hardness of Metallic Materials

    E527 Practice for Numbering Metals and Alloys in the Unified Numbering System (UNS)

    ICS Code

    ICS Number Code 77.150.30 (Copper products)

    UNSPSC Code

    UNSPSC Code 40141600(Valves); 31101610(Copper sand casting)

    Referencing This Standard
    Link Here
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    DOI: 10.1520/B0763-12

    Citation Format

    ASTM B763-12, Standard Specification for Copper Alloy Sand Castings for Valve Applications, ASTM International, West Conshohocken, PA, 2012, www.astm.org

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