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 - N07353~N08811
UNS No
Description
ASTM Brand/Trp
ASTM Equivalent
UNS N07353 Ni-Cr Alloy Precipitation M252 ASTM B637
  Hardenable   font>
UNS N07500 Ni-Cr Alloy Precipitation Udimet500 ASTM B637
  Hardenable    
UNS N07716 Ni-Cr Alloy Precipitation   ASTM B637, cf NACE MR 0175
  Hardenable    
UNS N07718 Ni-Cr Alloy Precipitation Inconel718 ASTM B637, ASTM B670
  Hardenable    
UNS N07750 Ni-Cr Alloy Precipitation InconelX750 ASTM B637
  Hardenable    
       
UNS N08001 Ni-Fe-Cr Alloy Solid Solution ACI HW ASTM A297
  Strengthened    
UNS N08002 Ni-Fe-Cr Alloy Solid Solution ACI HT ASTM A297
  Strengthened    
UNS N08004 Ni-Fe-Cr Alloy Solid Solution ACI HU ASTM A297
  Strengthened    
UNS N08005 Ni-Fe-Cr Alloy Solid Solution ACI HU-50 ASTM A608
  Strengthened    
UNS N08006 Ni-Fe-Cr Alloy Solid Solution ACI HW-50 ASTM A608
  Strengthened    
UNS N08007 Ni-Fe-Cr Alloy Solid Solution ACI CN-7M ASTM A351
  Strengthened    
UNS N08020 Ni-Fe-Cr Alloy Solid Solution Carpenter ASTM B366, ASTM B462, ASTM B463, ASTM B464, ASTM B468, ASTM B471, ASTM B472,
  Strengthened 20Cb3 ASTM B473, ASTM B747, ASTM B475
UNS N08024 Cr-Ni-Fe-Mo-Cu Alloy   ASTM B463, ASTM B464, ASTM B468
  Columbium Stabilized    
UNS N08026 Ni-Cr Wrought Alloy Carpenter ASTM B463, ASTM B464, ASTM B468, ASTM B474
    20Mo6  
UNS N08028 Ni-Fe-Cr Alloy Solid Solution Sanicro 28 ASTM B668, ASTM B709
  Strengthened    
UNS N08030 Ni-Fe-Cr Alloy Solid Solution ACI HT 30 ASTM A351
  Strengthened    
UNS N08050 Ni-Fe-Cr Alloy Solid Solution ACI HT 50 ASTM A608
  Strengthened    
UNS N08151 Alloy Casting 46Fe-32Ni ASTM A351
UNS N08221 Ni-Fe-Cr-Cu Alloy   ASTM B366, ASTM B423, ASTM B424, ASTM B425
UNS N08310 Ni-Fe-Cr-Mo Alloy   ASTM B720
UNS N08320 Ni-Fe-Cr Alloy Haynes No. ASTM B366, ASTM B620, ASTM B621, ASTM B622
    20 Mod  
UNS N08330 Ni-Fe-Cr Alloy Solid Solution RA-330 ASTM B366, ASTM B511, ASTM B512, ASTM B535, ASTM B536, ASTM B546, ASTM B710
  Strengthened    
UNS N08332 Ni-Fe-Cr-Si Alloy RA330TX ASTM B366, ASTM B511, ASTM B512, ASTM B535, ASTM B536, ASTM B546, ASTM B710
UNS N08366 Ni-Fe-Cr Alloy Solid Solution AL-6X ASTM B376, ASTM B675, ASTM B676, ASTM B688, ASTM B690, ASTM B691
  Strengthened    
UNS N08367 Cr-Ni-Mo Alloy AL 6XN ASTM B675, ASTM B676, ASTM B688, ASTM B690, ASTM B691
UNS N08603 Alloy Casting HT-30 ASTM A351(HT 30)
UNS N08604 Alloy Casting HL ASTM A297(HL)
UNS N08605 Alloy Casting HT ASTM A297(HT)
UNS N08613 Alloy Casting HL-30 vA297(HL-30)
UNS N08614 Alloy Casting HL-40 ASTM A608(HL-40)
UNS N08700 Fe-Ni-Cr Alloy JS 700 ASTM B599, ASTM B672
UNS N08705 Alloy Casting HP ASTM A297(HP)
UNS N08800 Ni-Fe-Cr Alloy Solid Solution Incoloy800 ASTM B163, ASTM B366, ASTM B407, ASTM B408, ASTM B409, ASTM B514, ASTM B515
  Strengthened   ASTM B564, ASTM B574
UNS N08810 Ni-Fe-Cr Alloy Incoloy800H ASTM B163, ASTM B366, ASTM B407, ASTM B408, ASTM B514, ASTM B515, ASTM B564
UNS N08811 Wrought Ni-Fe-Cr Alloy Incoloy800HT ASTM B163, ASTM B366, ASTM B407, ASTM B408, ASTM B409
       
       
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