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 J GROUP : Cast Steel (Except Tool Steels) - J02002~J13512
UNS No
Description
ASTM Brand/Trp
ASTM Equivalent
UNS J02002 Carbon Steel Casting   ASTM A732(1A)
UNS J02500 Carbon Steel Casting   ASTM A27(N1, U-60-30)
UNS J02501 Carbon Steel Casting   ASTM A27(70-40)
UNS J02502 Carbon Steel Casting   ASTM A216(WCA), ASTM A487(A, AN, AQ)
UNS J02503 Carbon Steel Casting   ASTM A216(WCC), ASTM A487(C,CN,CQ), ASTM A757(A2Q)
UNS J02504 Carbon Steel Casting   ASTM A352(LCASTM A), ASTM A660(WCA)
UNS J02505 Carbon Steel Casting   ASTM A352(LCC), ASTM A660(WCC)
       
UNS J03001 Carbon Steel Castingl   ASTM AASTM A27(60-30)
UNS J03002 Carbon Steel Casting   ASTM A27(65-35)
UNS J03002 Carbon Steel Casting   ASTM A216(WCB), ASTM A487(B, BN, BQ), ASTM A774
      (A7Q), ASTM A757(A7Q)
UNS J03003 Carbon Steel Casting   ASTM A352(LCB), ASTM A660(WCB)
UNS J03011 Carbon Steel Casting   ASTM A732(2ASTM A, 2Q)
UNS J03500 Carbon Steel Casting   ASTM A27(N2)
UNS J03501 Carbon Steel Casting   ASTM A27(70-36)
UNS J03502 Carbon Steel Casting   ASTM A356(1)
UNS J03503 Carbon Steel Casting   ASTM A486(70)
UNS J04002 Carbon Steel Casting   ASTM A732(2A, 2Q)
UNS J04500 Carbon Steel Casting   ASTM A487(DN)
UNS J05003 Carbon Steel Casting   ASTM A487(4A, 4N, 4Q, 4QA)
       
UNS J11522 Alloy Steel Casting   ASTM A426(CP15)
UNS J11547 Alloy Steel Casting   ASTM A426(CP2)
UNS J11562 Alloy Steel Casting   ASTM A426(CP12)
UNS J11697 Alloy Steel Casting   ASTM A356(8)
UNS J11872 Alloy Steel Casting   ASTM A217(WC11)
       
UNS J12048 Alloy Steel Casting   ASTM A732(13Q)
UNS J12072 Alloy Steel Casting   ASTM A217(WC6), ASTM A426(CP11)
UNS J12073 Alloy Steel Casting   ASTM A356(6)
UNS J12080 Alloy Steel Casting   ASTM A389(C23)
UNS J12082 Alloy Steel Casting   ASTM A217(WC4), ASTM A487(11N, 11Q)
UNS J12084 Alloy Steel Casting   ASTM A487(7Q)
       
UNS J12092 Alloy Steel Casting   ASTM A389(C24)
UNS J12094 Alloy Steel Casting   ASTM A732(11Q)
UNS J12520 Alloy Steel Casting   ASTM A217(WC1)
UNS J12521 Alloy Steel Casting   ASTM A426(CP1)
UNS J12522 Alloy Steel Casting   ASTM A352(LC1)
UNS J12523 Alloy Steel Casting   ASTM A356(2)
UNS J12524 Alloy Steel Casting   ASTM A217(WC1)
UNS J12540 Alloy Steel Casting   ASTM A356(5)
UNS J12582 Alloy Steel Casting   ASTM A757(C1Q)
       
UNS J13002 Alloy Steel Casting   ASTM A487(1N, 1Q)
UNS J13005 Alloy Steel Casting   ASTM A487(2N, 2Q)
UNS J13045 Alloy Steel Casting   ASTM A732(7Q)
UNS J13047 Alloy Steel Casting   ASTM A487(4N, 4Q, 4QASTM A)
UNS J13051 Alloy Steel Casting   ASTM A732(14Q)
UNS J10352 Alloy Steel Casting   ASTM A732(5N)
UNS J13080 Alloy Steel Casting   ASTM A487(13N, 13Q)
       
UNS J13345 Alloy Steel Casting   ASTM A487(9N, 9Q)
UNS J13512 Alloy Steel Casting   ASTM A732(6N)
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