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 C GROUP : Copper and Copper Alloys - C84400~C94400
UNS No
Description
ASTM Brand/Trp
ASTM Equivalent
C88440 Cast Semi-Red Brass Ingot 123 ASTM B30, ASTM B271, ASTM B505, ASTM B584 (formerly ASTM B145),
      ASTM B763
C84800 Cast Semi-Red Brass Ingot 130 ASTM B30, ASTM B271, ASTM B505, ASTM B584, ASTM B763
C85200 Cast Leaded Yelloy Brass Ingot 400 ASTM B30, ASTM B271, ASTM B584(formerly ASTM B146), ASTM B763
C85400 Cast Leaded Yelloy Brass Ingot 403 ASTM B30, ASTM B271, ASTM B584(formerly ASTM B146), ASTM B763
C85700 Cast Leaded Yelloy Brass Ingot 405.2 ASTM B30, ASTM B271, ASTM B584, ASTM B763
C85800 Cast Leaded Yelloy Brass Ingot 405.1 ASTM B30, ASTM B176
C86200 Cast Manganese Bronze Ingot 423 ASTM B30, ASTM B271, ASTM B505(formerly ASTM B147),ASTM B763
C86300 Cast Manganese Bronze Ingot 424 ASTM B22, ASTM B30, ASTM B271, ASTM B505(formerly ASTM B147),
      ASTM B763
C86400 Cast Leaded Manganese Bronze Ingot 420 ASTM B30, ASTM B271, ASTM B505, ASTM B584(formerly ASTM B132,
      ASTM B147), ASTM B763
C86500 Cast Manganese Bronze Ingot 421 ASTM B30, ASTM B176, ASTM B271, ASTM B505, ASTM B584(formerly
      ASTM B147), ASTM B763
C86700 Cast Leaded Manganese Bronze   ASTM B30, ASTM B271, ASTM B505, ASTM B584(formerly ASTM B132), ASTM B763
C86800 Cast Manganese Bronze   ASTM B176
C87300 Copper Silicon Alloy Ingot 500A ASTM B30, ASTM B271, ASTM B584, ASTM B763
C87400 Cast Silicon Brass Ingot 500B ASTM B30, ASTM B271, ASTM B505, ASTM B584(formerly ASTM B198), ASTM B763
C87500 Cast Silicon Brass Ingot 500C ASTM B30, ASTM B271, ASTM B505, ASTM B584(formerly ASTM B198), ASTM B763
C87600 Cast Silicon Brass Ingot 500D ASTM B30, ASTM B271, ASTM B584, ASTM B763
C87800 Cast Silicon Brass Ingot 500F ASTM B30, ASTM B176
C87900 Cast Silicon Brass Ingot 500G ASTM B30, ASTM B176
C90300 Cast Tin Bronze Ingot 225 ASTM B30, ASTM B271, ASTM B505, ASTM B584(formerly ASTM B143),
      ASTM B763
C90500 Cast Tin Bronze Ingot 210 ASTM B22, ASTM B30, ASTM B271, ASTM B505, ASTM B584(formerly ASTM B143),
      ASTM B763
C90700 Cast Tin Bronze Ingot 205 ASTM B30, ASTM B427, ASTM B505
C90800 Cast Tin Bronze   ASTM B30, ASTM B427
C91000 Cast Tin Bronze Ingot 197 ASTM B30, ASTM B505
C91100 Cast Tin Bronze   ASTM B22, ASTM B505
C91300 Cast Tin Bronze Ingot 194 ASTM B22, ASTM B30, ASTM B505
C91600 Cast Tin Bronze Ingot 205N ASTM B30, ASTM B427
C91700 Cast Tin Bronze   ASTM B30, ASTM B427
C92200 Cast Leaded Tin Bronze Ingot 245 ASTM B30, ASTM B61, ASTM B271, ASTM B505, ASTM B584, (formerly ASTM B143)
       
C92300 Cast Leaded Tin Bronze Ingot 230 ASTM B30, ASTM B271, ASTM B505, ASTM B584(formerly ASTM B143)
      ASTM B763
C92500 Cast Leaded Tin Bronze Ingot 200N ASTM B30, ASTM B505
C92700 Cast Leaded Tin Bronze Ingot 206 ASTM B30, ASTM B505
C92800 Cast Leaded Tin Bronze   ASTM B30, ASTM B505
C92900 Cast Leaded Tin Bronze Ingot 206N ASTM B30, ASTM B427, ASTM B505
C93200 Cast Hign-Leaded Tin Bronze Ingot 315 ASTM B30, ASTM B271, ASTM B505, ASTM B584(formerly ASTM B144)
C93400 Cast Hign-Leaded Tin Bronze Ingot 310 ASTM B30, ASTM B505
C93500 Cast Hign-Leaded Tin Bronze Ingot 326 ASTM B30, ASTM B271, ASTM B505, ASTM B584(formerly ASTM B144)
    Ingot 305 ASTM B22, ASTM B30, ASTM B271, ASTM B505, ASTM B584, (formerly ASTM B144)
C93700 Cast Hign-Leaded Tin Bronze    
    Ingot 319 ASTM B30, ASTM B66, ASTM B271, ASTM B505, ASTM B584, ASTM B763
C93800 Cast Hign-Leaded Tin Bronze   ASTM B30, ASTM B505
C93900 Cast Hign-Leaded Tin Bronze   ASTM B30, ASTM B505
C94000 Cast Hign-Leaded Tin Bronze Ingot 325 ASTM B30, ASTM B67, ASTM B505
C94100 Cast Hign-Leaded Tin Bronze Ingot 322 ASTM B30,ASTM B66, ASTM B271, ASTM B505, ASTM B584 (formerly ASTM B144)
C94300 Cast Hign-Leaded Tin Bronze    
      ASTM B36, ASTM B66
C94400 Cast Hign-Leaded Tin Bronze    
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