International Standard Comparative

UNS umbering Systems.

Unified Numbering Systems for Metals and Alloys


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


Comparative Table

UNS Number A GROUP : Aluminum and Aluminum Alloys - A96010~A96105
AA Eq.
UNS A96010 Wrought Aluminum Alloy.   AA 6010  
  Heat Treatable      
UNS A96011 Wrought Aluminum Alloy.   AA 6011  
  Heat Treatable      
UNS A96013 Wrought Aluminum Alloy.   AA 6013  
  Heat Treatable      
UNS A96017 Wrought Aluminum Alloy.   AA 6017  
  Heat Treatable      
UNS A96053 Wrought Aluminum Alloy.   AA 6053 ASTM B316 (6053)
  Heat Treatable      
UNS A96060 Wrought Aluminum Alloy.   AA 6060  
  Heat Treatable      
UNS A96061 Wrought Aluminum Alloy.   AA 6061 ASTM B209 (6061)
  Heat Treatable     ASTM B210 (6061)
        ASTM B211 (6061)
        ASTM B221 (6061)
        ASTM B234 (6061)
        ASTM B241 (6061)
        ASTM B247 (6061)
        ASTM B308 (6061)
        ASTM B313 (6061)
        ASTM B316 (6061)
        ASTM B345 (6061)
        ASTM B361
        ASTM B404 (6061)
        ASTM B429 (6061)
        ASTM B483 (6061)
        ASTM B547 (6061)
        ASTM B548 (6061)
        ASTM B632
        F 467
        F 468
UNS A96063 Wrought Aluminum Alloy.   AA 6063 ASTM B210 (6063)
  Heat Treatable     ASTM B221 (6063)
        ASTM B241 (5653)
        ASTM B345 (6063)
        ASTM B361
        ASTM B429 (6063)
        ASTM B483 (6063)
        ASTM B491 (6063)
UNS A96066 Wrought Aluminum Alloy.   AA 6066 ASTM B221 (6066)
  Heat Treatable     ASTM B247 (6066)
UNS A96070 Wrought Aluminum Alloy.   AA 6070 ASTM B345 (6070)
  Heat Treatable      
UNS A96101 Wrought Aluminum Alloy.   AA 6101 ASTM B317 (6101)
  Heat Treatable      
UNS A96105 Wrought Aluminum Alloy.   AA 6105  
  Heat Treatable      
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