The Unified Numbering System for Metals and Alloys (UNS) provides a means of correlating many internationally used metal and alloy numbering systems administered by societies, trade associations, and individual users and producers of metals and alloys. Jointly developed by SAE International and the American Society for Testing and Materials (ASTM), it provides the uniformity necessary for efficient indexing, record keeping, data storage and retrieval, and cross-referencing.
The 13th edition of UNS has been updated to include more than 5,736 designations, 12,183 representative specification cross references, and 18,300 trade names.
The Print Edition of UNS includes:
Cross-references include specifications from these organizations:
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Nitriding, Molten Salt Bath
Standard Practice for Production, Distribution, and Procurement of Metal Stock
MALE FERRULE, THREADLESS - FLEXIBLE, FIXED CAVITY, SELF-BONDING, SWAGED