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    ASTM B608 - 18

    Standard Specification for Welded Copper-Alloy Pipe

    Active Standard ASTM B608 | Developed by Subcommittee: B05.04

    Book of Standards Volume: 02.01

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    This specification covers arc-welded copper-alloy pipe for use in brackish water or seawater piping systems. The pipe shall be made from annealed copper alloy sheet or plate that conforms to the requirements specified for copper alloys with UNS nos. C61300, C61400 C70620 and C71520. These specifications reference test methods E 62, E 76, and E 478 for the appropriate chemical analysis. Welded joints shall be made either manually or automatically by an arc-welding process. The pipe material shall conform to the chemical composition requirements prescribed. With test taken across any weld, the pipe shall be capable of conforming to the required transverse tensional strength value. The transverse-face and root-guided bend test shall be taken with the weld in the center of the test specimen and there shall be no open defects exceeding the required value measured in any direction on the convex surface of the specimen when tested in accordance with test methods E 190. Each length of pipe shall be capable of withstanding an internal hydrostatic pressure without showing evidence of weakness, defects, or leakage. All welded joints in any individual length of pipe shall be radiographed completely. Weld thickness shall conform to wall-thickness requirements after removal of reinforcement.

    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.

    Significance and Use

    16.1 For purposes of determining compliance with the specified limits for requirements of the properties listed in the following table, an observed value or a calculated value shall be rounded as indicated in accordance with the rounding method of Practice E29.


    Rounded Unit for Observed or Calculated Value



     Chemical composition

    nearest unit in the last right-hand
     significant digit used in expressing
     the limiting value

     Tensile strength

    nearest ksi (5 MPa)

    1. Scope

    1.1 This specification establishes the requirements for arc-welded pipe for use in brackish water or seawater piping systems.

    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 hazard statement pertains only to the test method described in 8.2 and 14.3.2 of this specification: 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

    1.4 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

    B169/B169M Specification for Aluminum Bronze Sheet, Strip, and Rolled Bar

    B171/B171M Specification for Copper-Alloy Plate and Sheet for Pressure Vessels, Condensers, and Heat Exchangers

    B846 Terminology for Copper and Copper Alloys

    E8/E8M Test Methods for Tension Testing of Metallic Materials

    E29 Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications

    E62 Test Methods for Chemical Analysis of Copper and Copper Alloys (Photometric Methods)

    E76 Test Methods for Chemical Analysis of Nickel-Copper Alloys

    E190 Test Method for Guided Bend Test for Ductility of Welds

    E255 Practice for Sampling Copper and Copper Alloys for the Determination of Chemical Composition

    E478 Test Methods for Chemical Analysis of Copper Alloys

    ASME Standards

    Boiler and Pressure Vessel Code,

    Boiler and Pressure Vessel Code, Pressure Vessels, Section VIII, Division I

    Boiler and Pressure Vessel Code, Welding, Brazing, and Fusing Qualifications, Section IX

    AWS Standards


    A5.7/A5.7M Specification for Copper and Copper - Alloy Bare Welding Rods and Electrodes

    ICS Code

    ICS Number Code 77.150.30 (Copper products)

    UNSPSC Code

    UNSPSC Code 40181500(Welded copper tubes)

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

    DOI: 10.1520/B0608-18

    Citation Format

    ASTM B608-18, Standard Specification for Welded Copper-Alloy Pipe, ASTM International, West Conshohocken, PA, 2018, www.astm.org

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