ASTM WK72467

    Revision of B33 - 10(2020)e1 Standard Specification for Tin-Coated Soft or Annealed Copper Wire for Electrical Purposes

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    Active Standard: B33 - 10(2020)e1

    Developed by Subcommittee: B01.04 | Committee B01 | Contact Staff Manager



    tin-coated annealed copper wire; tin-coated copper electrical wire; tin-coated soft copper wire;;


    In the B33-04 edition changes were made to the Adherence of Coating test requirements in the standard. Rather than delete the requirement altogether it was decided to retain the requirement and restrict it to sizes of coated wire 0.320 ( 0.813mm) and larger. The change was introduced into Section 5.5 but in Section 6.4 for the actual test method it left in wording that referenced smaller wire sizes.

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    Work Item Status

    Date Initiated:

    Technical Contact:
    Timothy Ochmann

    Draft Under Development