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 K GROUP : Nickel and Nickel Alloys - N02200~N07080
UNS No
Description
ASTM Brand/Trp
ASTM Equivalent
UNS N02200 Commercially Pure Ni Alloy Nickel200 ASTM B130, ASTM B161, ASTM B162, ASTM B163, ASTM B366, ASTM B725, ASTM B730
UNS N02201 Commercially Pure Ni Alloy Nickel201 ASTM B160, ASTM B161, ASTM B162,ASTM B163,ASTM B366, ASTM B725, ASTM B730
UNS N02205 Commercially Pure Ni Alloy Nickel205 F1, F2, F3, F9
UNS N02211 Nickel Alloy. Soulution Nickel211 F290
  Strengthende    
UNS N02220 Commercially Pure Ni Alloy Nickel220 F239
UNS N02225 Commercially Pure Ni Alloy Nickel250 F239
UNS N02230 Commercially Pure Ni Alloy Nickel230 F239
UNS N02233 Commercially Pure Ni Alloy Nickel233 F1, F2, F3, F4
UNS N02270 Commercially Pure Ni Alloy Nickel270 F1, F2, F3, F239
UNS N03300 Nickel Alloy. Soulution Permanickel F290
  Hardenable 300  
UNS N04400 Ni-Cu Alloy Solid Solution Monel400 ASTM B127, ASTM B163, ASTM B164, ASTM B165, ASTM B366, ASTM B564
  Strengthened    
UNS N04404 Ni-CuAlloy Solid Solution Mone 404 F96
  Strengthened    
UNS N04405 Ni-Cu Alloy Solid Solution MonelR405 ASTM B164
  Strengthened    
UNS N06001 Ni-CrAlloy Solid Solution HastelloyF ASTM B366
  Strengthened    
UNS N06002 Ni-Cr Alloy Solid Solution HastelloyX ASTM B366, ASTM B435, ASTM B572, ASTM B619, ASTM B622, ASTM B626
  Strengthened    
UNS N06003 Ni-Cr Alloy Solid Solution NichromeV ASTM B344
  Strengthened    
UNS N06004 Ni-Cr Alloy Solid Solution Nichrome ASTM B344
  Strengthened    
UNS N06006 Ni-Cr Alloy Solid Solution ACI HX A297
UNS N06007 Ni-Cr Alloy Hastelloy G ASTM B366, ASTM B581, ASTM B582, ASTM B619
UNS N06022 Ni-Cr-Mo Alloy Hastelloy C-22 ASTM B366, ASTM B574, ASTM B575, ASTM B619, ASTM B622, ASTM B626
UNS N06030 Wrought Ni-Cr-Fe-Mo-Cu Alloy Hastelloy C-30 ASTM B366, ASTM B581, ASTM B582, ASTM B619, ASTM B622, ASTM B626
  Solid Solution Strengthened    
UNS N06050 Ni-Cr Alloy Solid Solution ACI HX-50 ASTM B608
  Strengthened    
UNS N06102 Ni-Cr Alloy Solid Solution IN-102 ASTM B445, ASTM B518, ASTM B519
  Strengthened    
UNS N09230 Ni-Cr-Mo Alloy Solid Solution Alloy No.230 ASTM B435, ASTM B572, ASTM B619, ASTM B622, ASTM B626
  Solution Strengthened    
UNS N06333 Ni-Cr Alloy Solid Solution RA333 ASTM B718, ASTM B719, ASTM B722, ASTM B723, ASTM B726
  Strengthened    
UNS N06455 Ni-Cr Alloy HastelloyC-4 ASTM B435, ASTM B572, ASTM B619, ASTM B622, ASTM B626
UNS N06600 Ni-Cr Alloy Solid Solution Inconel600 ASTM B163, ASTM B166, ASTM B167, ASTM B168, ASTM B366, ASTM B516, ASTM B517
  Strengthened   ASTM B564
UNS N06625 Ni-Cr Alloy Solid Solution Inconel625 ASTM B366, ASTM B443, ASTM B444, ASTM B446, ASTM B704, ASTM B705
  Strengthened    
UNS N06690 Ni-Cr Alloy Solid Solution Inconel690 ASTM B163, ASTM B166, ASTM B167, ASTM B168, ASTM B366
  Strengthened    
UNS N06975 Ni-Cr Alloy HastelloyG-2 ASTM B366, ASTM B581, ASTM B582, ASTM B619
UNS N06985 Ni-Cr Alloy ERNiCrMo-9 HastelloyG-3 ASTM B581, ASTM B582, ASTM B619, ASTM B622, ASTM B622, ASTM B626
UNS N07001 Ni-Cr Alloy Precipitation Waspaloy ASTM B637
  Hardenable    
UNS N07080 Ni-Cr Alloy Precipitation Nimonic80A ASTM B637
  Hardenable    
       
       
       
       
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