Standard Name: Metals & Alloys in the Unified Numbering System
Standard Number: UNS14th Edition, SAE HS-1086/2023, ASTM DS56M
Scope: This standard provides a comprehensive identification system for metals and alloys, containing over 5,720 designations. The 14th edition includes 124 new UNS designations and more than 875 updates to specification cross-references and indices since the 13th edition in 2017.
Analysis: The Unified Numbering System (UNS) is an essential tool for the identification and classification of metals and alloys. The 14th edition, published in 2023, reflects significant updates, including new designations and revisions to existing references. This system is widely used in industries and by governmental agencies, though adherence to the standard is voluntary. The UNS ensures consistency and clarity in the identification of materials, facilitating international trade and industrial processes. The inclusion of new designations and updates underscores the system's adaptability to emerging materials and technologies.
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