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 J13855 Alloy Steel Casting   ASTM A487 (6N, 6Q)
UNS J14049 Alloy Steel Casting   ASTM A732 (8Q)
UNS J15048 Alloy Steel Casting   ASTM A732 (12Q)
UNS J15580 Alloy Steel Casting   ASTM A487 (14Q)
UNS J19966 Alloy Steel Casting   ASTM A732 (15ASTM A)
       
UNS J21610 Alloy Steel Casting   ASTM A356 (9)
UNS J21890 Alloy Steel Casting   ASTM A217 (WC9), ASTM A416 (CP22)
UNS J22000 Alloy Steel Casting   ASTM A217 (WC5), ASTM A487 (12N, 12Q)
UNS J22090 Alloy Steel Casting   ASTM A356 (10)
UNS J22091 Alloy Steel Casting   ASTM A487 (8N, 8Q)
UNS J22092 Alloy Steel Casting   ASTM A643 (C), ASTM A757 (D1N, D1Q)
UNS J22500 Alloy Steel Casting   ASTM A352 (LC2)
UNS J22501 Alloy Steel Casting   ASTM A757 (B2N, B2Q)
UNS J23015 Alloy Steel Casting   ASTM A487 (10N, 10Q)
UNS J23055 Alloy Steel Casting   ASTM A732 (9Q)
UNS J24054 Alloy Steel Casting   ASTM A732 (10Q)
       
UNS J31500 Alloy Steel Casting   ASTM A757 (B3N, B3Q)
UNS J31545 Alloy Steel Casting   ASTM A426 (CP21)
UNS J31550 Alloy Steel Casting   ASTM A352 (LC3)
UNS J41500 Alloy Steel Casting   ASTM A352 (LC4)
UNS J41501 Alloy Steel Casting   ASTM A757 (B4N, B4Q)
UNS J42045 Alloy Steel Casting   ASTM A217 (C5), ASTM A426 (CP5)
UNS J42065 Alloy Steel Casting   ASTM A757 (E2N, E2Q)
UNS J42215 Alloy Steel Casting   ASTM A352 (LC2-1)
UNS J42220 Alloy Steel Casting   ASTM A757 (E1Q)
       
UNS J51545 Alloy Steel Casting   ASTM A426 (CP5b)
UNS J61594 Alloy Steel Casting   ASTM A426 (CP7)
UNS J82090 Alloy Steel Casting   ASTM A217 (C12), ASTM A426 (CP9)
       
UNS J91109 Austenitic Manganese Steel Casting   ASTM A128 (ASTM A)
UNS J91119 Austenitic Manganese Steel Casting   ASTM A128 (B-1)
UNS J91129 Austenitic Manganese Steel Casting   ASTM A128 (B-2)
UNS J91139 Austenitic Manganese Steel Casting   ASTM A128 (B-3)
UNS J91149 Austenitic Manganese Steel Casting   ASTM A128 (B-4)
UNS J91150 Alloy Steel Casting CA-15 ASTM A217 (CASTM A-15), ASTM A426 (CPCASTM A-15)
      ASTM A487 (CASTM A-15ASTM A), ASTM A743 (CASTM A-15)
UNS J91151 Alloy Steel Casting CA-15M ASTM A487 (CASTM A-15M), ASTM A743 (ASTM A-15M)
UNS J91153 Alloy Steel Casting CA-40 ASTM A743 (CASTM A-40)
UNS J91171 Alloy Steel Casting   ASTM A426 (CPCASTM A15ASTM A), ASTM A487 (CASTM A15)
UNS J91249 Austenitic Manganese Steel Casting   ASTM A128 (E-1)
UNS J91309 Austenitic Manganese Steel Casting   ASTM A128 (C)
UNS J91339 Austenitic Manganese Steel Casting   ASTM A128 (E-2)
UNS J91459 Austenitic Manganese Steel Casting   ASTM A128 (D)
UNS J91540 Alloy Steel Casting CA-6NM ASTM A487 (CASTM A-6NM)
UNS J91550 Alloy Steel Casting   ASTM A757 (E3N)
UNS J91650 Alloy Steel Casting   ASTM A743 (CASTM A-6N)
UNS J91803 Alloy Steel Casting CB-30 ASTM A743 (CB-30)
       
UNS J92110 Alloy Steel Casting 15-5PH ASTM A747 (CB7Cu-2)
  Precipitation Hardening    
UNS J92180 Alloy Steel Casting   ASTM A747 (CB7Cu-1)
  Precipitation Hardening    
UNS J92205 Duplex Alloy Steel Casting 2205 ASTM A890
UNS J92500 Alloy Steel Casting CF-3 ASTM A351 (CF-3), ASTM A743 (CF-3), ASTM A744 (CF-3)
UNS J92590 Alloy Steel Casting 304H ASTM A452 (TP304H)
       
       
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