ASTM B75 / B75M - 19

    Standard Specification for Seamless Copper Tube

    Active Standard ASTM B75 / B75M | Developed by Subcommittee: B05.04

    Book of Standards Volume: 02.01


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    Abstract

    This specification establishes the requirements for seamless round, rectangular, and square copper tube (UNS Nos. C10100, C10200, C10300, C10800, C12000, and C12200) suitable for general engineering applications. The material of manufacture shall be billets, cast bars, or tube. The tube shall be manufactured by hot- and cold-working processes, shall be cold drawn to the finished size and wall thickness, and shall be supplied in cold-drawn or annealed temper condition. The material shall conform to the chemical composition requirements prescribed for copper, phosphorus, and arsenic, as determined by chemical analysis, and to the mechanical property requirements including tensile strength, yield strength, Rockwell hardness, and straightening. Requirements for grain size, electrical mass resistivity, and dimensions are specified. The following test methods are detailed: grain size, electrical resistivity, tensile and yield strength, and hardness tests, expansion test for round table, microscopical examination, test for hydrogen embrittlement, and nondestructive tests such as electromagnetic (eddy-current), hydrostatic, and pneumatic pressure tests.

    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 specification2 establishes the requirements for seamless round, rectangular, and square copper tube suitable for general engineering applications.

    1.1.1 Tubes made from any of the following Copper UNS No. designations shall be supplied unless otherwise specified in the contract or purchase order:

    Copper UNS No.

    Type of Copper

     

     

    C10100

    Oxygen-free electronic

    C10200

    Oxygen-free without residual deoxidants

    C10300

    Oxygen-free, extra low phosphorus

    C10800

    Oxygen-free, low phosphorus

    C12000

    Phosphorus deoxidized, low residual phosphorus

    C12200

    Phosphorus deoxidized, high residual phosphorus

    1.2 Units—The values stated in either inch-pound units or SI units are to be regarded separately as standard. Within the text, SI units are shown in brackets. The values stated in each system are not necessarily exact equivalents; therefore, to ensure conformance with the standard, each system shall be used independently of the other, and values from the two systems shall not be combined.

    1.3 The following safety hazard caveat pertains only to the test methods described in 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

    B153 Test Method for Expansion (Pin Test) of Copper and Copper-Alloy Pipe and Tubing

    B170 Specification for Oxygen-Free Electrolytic CopperRefinery Shapes

    B193 Test Method for Resistivity of Electrical Conductor Materials

    B251/B251M Specification for General Requirements for Wrought Seamless Copper and Copper-Alloy Tube

    B577 Test Methods for Detection of Cuprous Oxide (Hydrogen Embrittlement Susceptibility) in Copper

    B601 Classification for Temper Designations for Copper and Copper AlloysWrought and Cast

    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

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

    E112 Test Methods for Determining Average Grain Size

    E243 Practice for Electromagnetic (Eddy Current) Examination of Copper and Copper-Alloy Tubes

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


    ICS Code

    ICS Number Code 77.150.30 (Copper products)

    UNSPSC Code

    UNSPSC Code 40182000(Seamless 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/B0075_B0075M-19

    Citation Format

    ASTM B75 / B75M-19, Standard Specification for Seamless Copper Tube, ASTM International, West Conshohocken, PA, 2019, www.astm.org

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