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Thread: ISO v ASME Datums

  1. #1
    Associate Engineer
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    ISO v ASME Datums

    Is there a difference in the latest revisions between ISO & ASME, how the datums are called out, I understand they are becoming more closely aligned.? Having completed a GDT course last year I was informed that call-out axis as a datum is not correct. I'd ideally seek a list of all differences of the standards now.

    Thanks
    Newbie rfs

  2. #2
    Administrator Kelly Bramble's Avatar
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    The annotation of ISO and ASME Datums has been identical since the release of the ASME 14.5M-1994 standard.

    The current standard is ASME Y14.5-2009.
    Tell me and I forget. Teach me and I remember. Involve me and I learn.

  3. #3
    Administrator Kelly Bramble's Avatar
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    A detailed guide to the differences between ASME and ISO standards can be seen here: http://www.engineersedge.com/asme-iso-differences.htm

    You will need a premium account to access..
    Tell me and I forget. Teach me and I remember. Involve me and I learn.

  4. #4
    Associate Engineer
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    ISO v ASME Datums

    Thankyou Kelly.

    Quote Originally Posted by Kelly Bramble View Post
    The annotation of ISO and ASME Datums has been identical since the release of the ASME 14.5M-1994 standard.

    The current standard is ASME Y14.5-2009.

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