ASTM E527 PDF
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Standard Practice for Numbering Metals and Alloys in the Unified Numbering System (UNS)
Published by | Publication Date | Number of Pages |
ASTM | 09/01/2016 | 7 |
ASTM E527 – Standard Practice forNumbering Metals and Alloys in the Unified Numbering System(UNS)
1.1 This practice (Note 1) covers a unified numbering system (UNS) for metals and alloys that have a “commercial standing” (see Note 2), and covers the procedure by which such numbers are assigned. Section 2 describes the system of alphanumeric designations or “numbers” established for each family of metals and alloys. Section 3 outlines the organization established for administering the system. Section 5 describes the procedure for requesting number assignment to metals and alloys for which UNS numbers have not previously been assigned.
Note 1: UNS designations are not to be used for metals and alloys that are not registered under the system described herein, or for any metal or alloy whose composition differs from those registered.
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