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About This Item


Full Description

This SAE Recommended Practice describes a unified numbering system (UNS) for metals and alloys which have a "commercial standing" (see 6.1), and covers the procedure by which such numbers are assigned.

  1. Section 2 describes the system of alphanumeric designations or "numbers" established for each family of metals and alloys.

  2. Section 3 outlines the organization established for administering the system.

  3. Section 4 describes the procedure for requesting number assignment to metals and alloys for which UNS numbers have not previously been assigned.


Document History

  1. SAE J1086_201210

    Numbering Metals and Alloys (Stabilized: Oct 2012)

    • Most Recent
  2. SAE J1086_201210


    Numbering Metals and Alloys (Stabilized: Oct 2012)

    • Historical Version
  3. SAE J 1086

    Numbering Metals and Alloys

    • Historical Version