ASTM B135-08

    Standard Specification for Seamless Brass Tube

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    1. Scope

    1.1 This specification covers seamless round and rectangular including square copper alloy tube in straight lengths. Ten alloys are specified having the following nominal compositions:

    CopperPreviously Nominal Composition, %
    No. tionACopper ZincLeadTin
    C22000790.010.0 ......
    C23000185.015.0 ......
    C26000270.030.0 ......
    C27000965.035.0 ......
    C27200863.037.0 ......
    C27400...62.537.5 ......
    C28000560.040.0 ......
    C33000366.033.5 0.5...
    C33200466.032.4 1.6...
    C37000660.039.0 1.0...
    C44300...71.527.5 ...1.00

    A Alloy Designations of Specification B 135 63, which was published in the 1966 Book of ASTM Standards, Part 5.

    1.2 This specification is the inch-pound companion to Specification B 135M; therefore, no SI equivalents are presented in the specification.

    1.3 WarningMercury has been designated by EPA and many state agencies as a hazardous material that can cause central nervous system, kidney, and liver damage. Mercury, or its vapor, may be hazardous to health and corrosive to materials. Caution should be taken when handling mercury and mercury-containing products. See the applicable product Material Safety Data Sheet (MSDS) for details and EPAs website ( for additional information. Users should be aware that selling mercury or mercury-containing products, or both, in your state may be prohibited by state law. (See 10.1.)

    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 determine the applicability of regulatory limitations prior to use.

    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

    B154 Test Method for Mercurous Nitrate Test for Copper Alloys

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

    B601 Classification for Temper Designations for Copper and Copper Alloys--Wrought and Cast

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

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

    ICS Code

    ICS Number Code 23.040.15 (Non-ferrous metal pipes)

    UNSPSC Code

    UNSPSC Code 40182100(Seamless brass tubes)

    Referencing This Standard
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    DOI: 10.1520/B0135-08

    Citation Format

    ASTM B135-08, Standard Specification for Seamless Brass Tube, ASTM International, West Conshohocken, PA, 2008,

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