International Standard Comparative

UNS umbering Systems.

Unified Numbering Systems for Metals and Alloys

50x50

The UNS for Metals and Alloys 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 ASTM International and the Society of Automotive Engineers (SAE), it provides the uniformity necessary for efficient indexing, record keeping, data storage and retrieval, and cross-referencing.

UNS Number C GROUP : Copper and Copper Alloys

C10100~C11300 | C11400~C16200 | C16500~C37000 | C37700~C65100

C84400~C94400 | C94500~C99500

UNS Number F GROUP : Cast Irons

F10001~F24830 | F25530~F47003

UNS Number G GROUP : AISI and SAE Carbon and Alloy Steels

G10050~G10250 | G10260~G11080 | G11090~G15720 | G31400~G44270 | G45200~G51600

G51601~G92600 | G92620~G98500

UNS Number J GROUP : Cast Steel (Except Tool Steels)

J02002~J13512 | J13855~J92590 | J92600~J94650

UNS Number K GROUP : Miscellaneous Steels and Ferrous Alloys

K00040~K02300 | K02301~K03017 | K03046~K07000 | K07001~K11630 | K11646~K12238

K12244~K19667 | K19965~K32550 | K32723~K93120 | K93600~K95000

UNS Number N GROUP : Nickel and Nickel Alloys

N02200~N07080 | N07353~N08811 | N08825~N10665

UNS Number S GROUP : Heat and Corrosion Refractory Metals and Alloys

S13800~S30200 | S30215~S30909 | S30940~S31654 | S31700~S35000 | S35500~S43035

S43036~S66545

Comparative Table

UNS Number A GROUP : Aluminum and Aluminum Alloys - A91180~A92025
UNS No
Description
Brand/Trp
AA Eq.
ASTM Eq
UNS A91180 Wrought Aluminum Alloy.   AA 1180  
  Non-Heat Treatable      
UNS A91185 Wrought Aluminum Alloy.   AA 1185  
  Non-Heat Treatable      
UNS A91188 Wrought Aluminum Alloy.   AA 1188 SFA 5.10 (ER1188)
  Non-Heat Treatable      
UNS A91199 Wrought Aluminum Alloy.   AA 1199  
  Non-Heat Treatable      
UNS A91200 Wrought Aluminum Alloy.   AA 1200 ASTM B491 (1200)
  Non-Heat Treatable      
UNS A91230 Wrought Aluminum Alloy.   AA 1230 ASTM B209 (1230)
  Non-Heat Treatable      
UNS A91235 Wrought Aluminum Alloy.   AA 1235 ASTM B373 (1235);
  Non-Heat Treatable      
UNS A91345 Wrought Aluminum Alloy.   AA 1345  
  Non-Heat Treatable      
UNS A91350 Wrought Aluminum Alloy.   AA 1350 ASTM B230, ASTM B231
  Non-Heat Treatable     ASTM B233, ASTM B236
        ASTM B324, ASTM B401
        ASTM B524, ASTM B549 ASTM B609
        ASTM B483 (1435)
UNS A91435 Wrought Aluminum Alloy.   AA 1435  
  Non-Heat Treatable      
UNS A92004 Wrought Aluminum Alloy.   AA 2004  
  Non-Heat Treatable      
UNS A92008 Wrought Aluminum Alloy.   AA 2008  
  Non-Heat Treatable      
UNS A92011 Wrought Aluminum Alloy.   AA 2011 ASTM B210 (2011)
  Non-Heat Treatable     ASTM B211 (2011)
UNS A92014 Wrought Aluminum Alloy.   AA 2014 ASTM B209 (2014)
  Non-Heat Treatable     ASTM B210 (2014)
 
    ASTM B211 (2014)
        ASTM B221 (2014)
        ASTM B241 (2014)
        ASTM B247 (2014)
         
        ASTM B211 (2017)
UNS A92017 Wrought Aluminum Alloy.   AA 2017

ASTM B316 (2017)

  Non-Heat Treatable     ASTM B247(2018)
UNS A92018 Wrought Aluminum Alloy.   AA 12018  
  Non-Heat Treatable     ASTM B209 (2024)
UNS A92024 Wrought Aluminum Alloy.   AA 2024 ASTM B210 (2024)
  Non-Heat Treatable     ASTM B211 (2024)
        ASTM B221 (2024)
        ASTM B241 (2024)
        ASTM B316 (2024)
        ASTM B467
        ASTM B468
        ASTM B247
UNS A92025 Wrought Aluminum Alloy.   AA 2025  
  Non-Heat Treatable      
         
         
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