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    ASTM B763 / B763M - 15

    Standard Specification for Copper Alloy Sand Castings for Valve Applications

    Active Standard ASTM B763 / B763M | Developed by Subcommittee: B05.05

    Book of Standards Volume: 02.01

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    This specification establishes requirements for copper alloy sand castings for valve applications. The castings shall conform to the chemical composition requirements specified. Mechanical properties shall be determined from separately cast test bars, and shall conform with the requirements. Brinell hardness readings shall be taken in the grip end of the tension test bar and shall be made in accordance with the specified requirements.

    This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.

    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 1.2

    (A) Phosphorus 0.13
    (B) Phosphorus 0.1
    (C) Antimony 0.07, Boron 0.001.

    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.

    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
    Link to Active (This link will always route to the current Active version of the standard.)

    DOI: 10.1520/B0763_B0763M-15

    Citation Format

    ASTM B763 / B763M-15, Standard Specification for Copper Alloy Sand Castings for Valve Applications, ASTM International, West Conshohocken, PA, 2015, www.astm.org

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