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Scope

The Unified Numbering System (UNS) for Metals and Alloys provides a means of correlating internationally used metal and alloy numbering systems administered by societies, trade associations, and individual users and producers of metals and alloys.

Abstract

The volume provides a cross-index for nationally used metals and alloys, with a complete listing of the Unified Numbers, description and chemical composition, and finally the specifications and standards that have been released for each.

Notes

Claudia's Notes:
We often use SAE HS 1086, ASTM DS86 to assist Document Center customers determine what standards they should be using when the only information is the UNS number itself.  You can easily recognize these designators because they consist of one letter followed by 5 digits —  G10200 for carbon steel, S42400 for ferritic stainless steel, and C95710 for aluminum bronze are three examples.

Not only that, but "Metals and Alloys in the Unified Numbering System (UNS)" also contains sections that allow the user to work in reverse.  That is, using the standard number or even a common trade designation, you can then track the kind of material that it uses.

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This document is available in Paper format.