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 - C65500~C84200
UNS No
Description
ASTM Brand/Trp
ASTM Equivalent
UNS C65500 High Silicon Bronze A   ASTM B96, ASTM B98, ASTM B99, ASTM B100, ASTM B105, ASTM B124,
      ASTM B283, ASTM B315, ASTM B432, F467, F468
UNS C65800 Silicon Bronze   ASTM B96, ASTM B98, 315
UNS C66100 Silicon Bronze   ASTM B694
UNS C66400 Copper Alloy   ASTM B694
UNS C66410 Misc Copper Zinc Alloy   ASTM B191
UNS C66700 Manganese Brass   ASTM B138
UNS C67000 Manganese Brass B   ASTM B124, ASTM B138, ASTM B283, F467, F468
UNS C67500 Manganese Brass A   ASTM B111, ASTM B359, ASTM B395, ASTM B543
UNS C68700 Aluminum Brass Arsenical   ASTM B592
UNS C68800 Copper Alloy   ASTM B592
UNS C69000 Miscellanceous Copper-Zinc   ASTM B315, ASTM B706
UNS C69100 Chromium Copper   ASTM B371
UNS C69400 Silicon Red Brass   ASTM B371
UNS C69430 Silicon Red Brass   ASTM B371
UNS C69440 Silicon Red Brass   ASTM B371
UNS C69450 Silicon Red Brass   ASTM B371
UNS C69700 Leaded Silicon Brass   ASTM B371
UNS C69710 Silicon Brass   ASTM B371
UNS C69720 Silicon Brass   ASTM B371
UNS C69730 Silicon Brass   ASTM B371
UNS C70400 Copper-Nickel. 5%   ASTM B111, ASTM B359, ASTM B395, ASTM B466, ASTM B543
UNS C70600 Copper-Nickel. 10%   ASTM B111, ASTM B122, ASTM B151, ASTM B171, ASTM B359, ASTM B395,
      ASTM B432, ASTM B453, ASTM B466, ASTM B467, ASTM B469, ASTM B543,
      ASTM B552, ASTM B608
UNS C70690 Copper-Nickel.90Cu-10Ni   F96
UNS C71000 Copper-Nickel. 20%   ASTM B111, ASTM B122, ASTM B206, ASTM B359, ASTM B395, ASTM B466,
      ASTM B694, F467, F468
UNS C71500 Copper-Nickel. 30%   ASTM B111, ASTM B122, ASTM B151, ASTM B171, ASTM B359, ASTM B395,
      ASTM B432, ASTM B466, ASTM B543, ASTM B552, ASTM B608,
      F467, F468
UNS C71590 Copper-Nickel. 70Cu-30Ni   F96
UNS C71640 Copper-Nickel   ASTM B111
UNS C72200 Copper-Nickel   ASTM B111, ASTM B171, ASTM B359, ASTM B395, ASTM B466
UNS C72500 Copper-Nickel   ASTM B122
UNS C72900 Copper-Nickel Tin Spindoal Alloy   ASTM B740
       
UNS C73500 Nickel Silver   ASTM B122
UNS C74000 Nickel Silver   ASTM B122
UNS C74500 Nickel Silver. 65-10   ASTM B122, ASTM B151, ASTM B206
UNS C75200 Nickel Silver. 65-18   ASTM B122, ASTM B151, ASTM B206
UNS C75700 Nickel Silver. 65-12   ASTM B151, ASTM B206
UNS C76200 Nickel Silver   ASTM B122
UNS C76400 Nickel Silver   ASTM B151, ASTM B206
UNS C77000 Nickel Silver. 55-18   ASTM B122, ASTM B151, ASTM B206
UNS C77400 Nickel Silver   ASTM B124, ASTM B283
UNS C79200 Leaded Nickel Silver   ASTM B151, ASTM B206
UNS C83450 Leaded Red Brass   ASTM B584, ASTM B763
UNS C83600 Cast Leaded Red Brass Ingot 115 ASTM B30(836), ASTM B62(836), ASTM B271(836),
      ASTM B505(836), ASTM B584(836) (formerly ASTM B145)
UNS C83800 Cast Leaded Red Brass Ingot 120 ASTM B30, ASTM B271, ASTM B503, ASTM B584 (formerly ASTM B145),
UNS C84200 Cast Leaded Red Brass   ASTM B30, ASTM B505
       
       
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