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 J92600 Alloy Steel Casting CF-8

ASTM A351 (CF-8), ASTM A451 (CPF8), ASTM A743 (CF-8), ASTM A744 (CF-8)

UNS J92602 Alloy Steel Casting CF-20 ASTM A743 (CF-20)
UNS J92603 Alloy Steel Casting HF ASTM A297 (HF)
UNS J92605 Alloy Steel Casting HC ASTM A297 (HC)
UNS J92613 Alloy Steel Casting HC-30 ASTM A608 (HC30)
UNS J92615 Alloy Steel Casting CC-50 ASTM A743 (CC-50)
UNS J92660 Alloy Steel Casting 347H ASTM A452 (TP347H)
 
UNS J92701 Alloy Steel Casting CF-16F ASTM A743 (CF-16F)
 
UNS J92710 Alloy Steel Casting CF-8C ASTM A351 (CF8C), ASTM A451 (CPF8C),
  ASTM A743 (CF-8C), ASTM A744 (CF-8C)
UNS J92800 Alloy Steel Casting CF-3M ASTM A351 (CF3M, CF3MASTM A), ASTM A743 (CF-3M),
  ASTM A744 (CF-3M)
UNS J92803 Alloy Steel Casting HF-30 ASTM A608 (HF30)
UNS J92900 Alloy Steel Casting CF-8M ASTM A351 (CF-8M), ASTM A451 (CPF8M)
  ASTM A743 (CF-8M), ASTM A744 (CF-8M)
UNS J92920 Alloy Steel Casting 316H ASTM A452 (TP316H)
UNS J92971 Alloy Steel Casting CF-6MC ASTM A351 (CF-10MC)
UNS J93000 Alloy Steel Casting CG-8M ASTM A743 (CG-8M), ASTM A744 (CG-8M),
UNS J93001 Alloy Steel Casting CG-12 ASTM A743 (CG-12)
UNS J93005 Alloy Steel Casting HD ASTM A297 (HD)
UNS J93015 Alloy Steel Casting HD-50 ASTM A608 (HD-50)
UNS J93303 Alloy Steel Casting   ASTM A447
UNS J93370 Alloy Steel Casting   ASTM A744 (VD-4MCu)
UNS J93380 Ferritic-Austenitic Cr-Ni-Mo-WN   ASTM A351, ASTM A743
Wtainless Steel Casting  
(Zeron 100)  
UNS J93400 Alloy Steel Casting CH-8 ASTM A351 (CP5b)
UNS J93401 Alloy Steel Casting CH-10 ASTM A351 (CP7)
UNS J93402 Alloy Steel Casting CH-20 ASTM A351 (C12), ASTM A426 (CP9)
UNS J93403 Alloy Steel Casting HE ASTM A297 (HE)
UNS J93413 Alloy Steel Casting HE-35 ASTM A608 (HE-35))
UNS J93423 Alloy Steel Casting CE-30 ASTM A743 (CE-30)
UNS J93503 Alloy Steel Casting HH ASTM A297 (HH)
UNS J93513 Alloy Steel Casting HH-30 ASTM A608 (HH30)
UNS J93633 Alloy Steel Casting HH-33 ASTM A608 (HH33)
UNS J93790 Alloy Steel Casting CGMMN ASTM A351 (CG6MMN)
 
UNS J94003 Alloy Steel Casting HI ASTM A291 (HI)
UNS J94013 Alloy Steel Casting HI-35 ASTM A608 (HI35)
UNS J94202 Alloy Steel Casting CK-20 ASTM A351 (CK-20), ASTM A451 (CPK20), ASTM A743 (CK20)
UNS J94203 Alloy Steel Casting HK-30 ASTM A351 (HK-30), ASTM A608 (HK30)
UNS J94204 Alloy Steel Casting HK-40 ASTM A351 (HK-40), ASTM A608 (HK40)
UNS J94213 Alloy Steel Casting HN ASTM A297 (HN)
UNS J94214 Alloy Steel Casting HN-40 ASTM A608 (HN40)
UNS J94650 Alloy Steel Casting CN-7MS ASTM A743 (CN-7VS), ASTM A744 (CN-7MS)
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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