ASTM B929 - 17

    Standard Specification for Copper-Nickel-Tin Spinodal Alloy Rod and Bar

    Active Standard ASTM B929 | Developed by Subcommittee: B05.02

    Book of Standards Volume: 02.01


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    Abstract

    This specification covers the requirements for UNS C72900 copper-nickel-tin alloy rods and bars. Products should be manufactured by hot working, cold working, and annealing processes to produce a uniform wrought structure in the finished product. Each product should then be hot or cold worked to the finished size, and if required, should be subsequently annealed to meet the specified temper properties. The tensile strength and Rockwell hardness values from prescribed tests on the products should fall within the required range.

    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 the requirements for copper-nickel-tin alloy rod and bar. The following alloy is included:

    Copper Alloy
    UNS No.

    Nominal Composition, Weight %

     

    Copper

    Nickel

    Tin

    C72900

    77

    15

    8

    1.2 Units—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.

    1.3 The following safety hazard caveat pertains only to the test method(s) described in this specification.

    1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and to determine the applicability of regulatory limitations prior to use.

    1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.


    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

    B249/B249M Specification for General Requirements for Wrought Copper and Copper-Alloy Rod, Bar, Shapes and Forgings

    B846 Terminology for Copper and Copper Alloys

    E8/E8M Test Methods for Tension Testing of Metallic Materials

    E18 Test Methods for Rockwell Hardness of Metallic Materials

    E53 Test Method for Determination of Copper in Unalloyed Copper by Gravimetry

    E75 Test Methods for Chemical Analysis of Copper-Nickel and Copper-Nickel-Zinc Alloys

    E478 Test Methods for Chemical Analysis of Copper Alloys


    ICS Code

    ICS Number Code 77.150.30 (Copper products)

    UNSPSC Code

    UNSPSC Code 30102409(Copper rods); 30262200(Copper bars)


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

    DOI: 10.1520/B0929-17

    Citation Format

    ASTM B929-17, Standard Specification for Copper-Nickel-Tin Spinodal Alloy Rod and Bar, ASTM International, West Conshohocken, PA, 2017, www.astm.org

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