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 G GROUP : AISI and SAE Carbon and Alloy Steels - G10050~G10250
UNS No
Description
ASTM Brand/Trp
ASTM Equivalent
UNS G10050 Carbon Steel   ASTM A29 (1005), ASTM A510 (1005)
UNS G10060 Carbon Steel   ASTM A29 (1006), ASTM A510 (1006), ASTM A545 (1006)
       
UNS G10080 Carbon Steel   ASTM A29 (1008)M ASTM A108 (1008), ASTM A510 (1008),
      ASTM A510 (1008), ASTM A545 (1008), ASTM A549 (1008),
      ASTM A575 (M1008), ASTM A476 (1008)
       
UNS G10110 Carbon Steel   ASTM A29 (1011)
       
UNS G10120 Carbon Steel   ASTM A29 (1012), ASTM A510 (1012), ASTM A519 (1012),
      ASTM A545 (1012), ASTM A549 (1012), ASTM A575 (1012),
      ASTM A576 (1012)
       
UNS G10130 Carbon Steel   ASTM A576 (1013)
       
UNS G10150 Carbon Steel   ASTM A29 (1015), ASTM A510 (1015), ASTM A519 (1015),
      ASTM A545 (1015), ASTM A549 (1015), ASTM A575 (1015),
      ASTM A576 (1015), ASTM A659 (1015)
       
UNS G10160 Carbon Steel   ASTM A29 (1016), ASTM A108 (1016), ASTM A510 (1016),
      ASTM A513 (1016), ASTM A545 (1016), ASTM A548 (1016),
      ASTM A549 (1016), ASTM A576 (1016), ASTM A659 (1016)
       
UNS G10170 Carbon Steel   ASTM A29 (1017), ASTM A108 (1017), ASTM A510 (1017),
      ASTM A513 (1017), ASTM A519 (1017), ASTM A544 (1017),
      ASTM A549 (1017), ASTM A575 (1017), ASTM A576 (1017),
      ASTM A659 (1017)
       
UNS G10180 Carbon Steel   ASTM A29 (1018), ASTM A510 (1018), ASTM A519 (1018),
      ASTM A513 (1018), ASTM A544 (1018), ASTM A545 (1018),
      ASTM A548 (1018), ASTM A549 (1018), ASTM A576 (1018),
      ASTM A659 (1018)
       
UNS G10190 Carbon Steel   ASTM A29 (1019), ASTM A510 (1019), ASTM A519 (1019),
      ASTM A519 (1019), ASTM A545 (1019), ASTM A548 (1019)
      ASTM A576 (1019)
       
UNS G10200 Carbon Steel   ASTM A29 (1020), ASTM A510 (1020), ASTM A519 (1020),
      ASTM A544 (1020), ASTM A575 (M1020), ASTM A576 (1020),
      ASTM A659 (1020)
       
UNS G10210 Carbon Steel   ASTM A29 (1021), ASTM A510 (1021), ASTM A519 (1021),
      ASTM A545 (1021), ASTM A548 (1021), ASTM A576 (1021),
      ASTM A659 (1021)
       
UNS G10220 Carbon Steel   ASTM A29 (1022), ASTM A510 (1022), ASTM A519 (1022),
      ASTM A544 (1022), ASTM A545 (1022), ASTM A548 (1022),
      ASTM A576 (1022), ASTM A659 (1022)
       
UNS G10230 Carbon Steel   ASTM A29 (1023), ASTM A510 (1023), ASTM A519 (1023),
      ASTM A576 (1023), ASTM A659 (1023)
       
UNS G10250 Carbon Steel   ASTM A29 (1025), ASTM A510 (1025), ASTM A512 (1025),
      ASTM A519 (1025), ASTM A575 (M1025), ASTM A576 (1025)
       
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