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 - C10100~C11300
UNS No
Description
ASTM Brand/Trp
ASTM Equivalent
UNS C10100 Oxygen-Free Electronic   ASTM B1, ASTM B2, ASTM B3, ASTM B8, ASTM B33, ASTM B48, ASTM B49, F68,
  Copper (OFE)   ASTM B75, ASTM B133, ASTM B152, ASTM B172, ASTM B173, ASTM B174,
UNS A01001     ASTM B187, ASTM B188, ASTM B189, ASTM B246, ASTM B272, ASTM B280,
      ASTM B286, ASTM B298, ASTM B355, ASTM B359, ASTM B372, ASTM B432,
      ASTM B447, ASTM B451, ASTM B470, ASTM B496, ASTM B640, ASTM B641,
      F68
       
UNS C10200 Oxygen-Free Copper (OF)   ASTM B1, ASTM B2, ASTM B3, ASTM B8, F9, ASTM B33, ASTM B42, ASTM B48,
      ASTM B49, ASTM B68, ASTM B75, ASTM B88, ASTM B111, ASTM B133, ASTM B152,
      ASTM B172, ASTM B173, ASTM B174, ASTM B187, ASTM B188, ASTM B189,
      ASTM B226, ASTM B246, ASTM B272, ASTM B280, ASTM B286, ASTM B298,
      ASTM B355, ASTM B359, ASTM B372, ASTM B395, ASTM B432, ASTM B447,
      ASTM ASTM B451, ASTM B470, ASTM B496, ASTM B506, ASTM B566, ASTM B640,
      ASTM B641, ASTM B687, ASTM B716, ASTM B738, ASTM B743
       
UNS C10300 Oxygen-Free Extra Low   ASTM B42, ASTM B68, ASTM B75, ASTM B88, ASTM B111, ASTM B133, ASTM B152,
  Phosphorus Copper (OFXLP)   ASTM B187, ASTM B188, ASTM B280, ASTM B302, ASTM B306, ASTM B372,
      ASTM B432, ASTM B447, ASTM B640, ASTM B641, ASTM B687, ASTM B716,
      ASTM B743
       
UNS C10400 Oxygen- Copper with Silver(CFS)   ASTM B1, ASTM B2, ASTM B3, ASTM B49, ASTM B133, ASTM B152, ASTM B187,
      ASTM B188, ASTM B189, ASTM B246, ASTM B272, ASTM B298, ASTM B354,
      ASTM B355, ASTM B506
       
UNS C10500 Oxygen- Copper with Silver(CFS)   ASTM B1, ASTM B2, ASTM B3, ASTM B49, ASTM B133, ASTM B152, ASTM B187,
      ASTM B188, ASTM B189, ASTM B246, ASTM B272, ASTM B298, ASTM B354,
      ASTM B355, ASTM B506
       
UNS C10700 Oxygen- Copper with Silver(CFS)   ASTM B1, ASTM B2, ASTM B3, ASTM B49, ASTM B133, ASTM B152, ASTM B187,
      ASTM B188, ASTM B189, ASTM B246, ASTM B272, ASTM B298, ASTM B355,
      ASTM B506
       
UNS C10800 Oxygen-Free Extra Low   ASTM B42, ASTM B68, ASTM B75, ASTM B88, ASTM B111, ASTM B133, ASTM B152,
  Phosphorus Copper (OFXLP)   ASTM B280, ASTM B302, ASTM B306, ASTM B359, ASTM B360, ASTM B379,
      ASTM B395, ASTM B432, ASTM B447, ASTM B543, ASTM B640, ASTM B641,
      ASTM B687, ASTM B716, ASTM B743
       
UNS C11000 Electrolytic Tough Pich Copper   ASTM B1, ASTM B2, ASTM B3, ASTM B8, F9, ASTM B33, ASTM B47, ASTM B48, ASTM B49,
  (ETP)   ASTM B101, ASTM B116, ASTM B124, ASTM B133, ASTM B152, ASTM B172,
      ASTM B173, ASTM B174, ASTM B187, ASTM B188, ASTM B189, ASTM B226,
      ASTM ASTM B228, ASTM B229, ASTM B246, ASTM B272, ASTM B283, ASTM B286,
      ASTM B298, ASTM B334, ASTM B355, ASTM B370, ASTM B447, ASTM B451,
      ASTM B638, ASTM B468, ASTM B470, ASTM B496, ASTM B506, ASTM B566,
      ASTM B638, ASTM B694, ASTM B738
       
UNS C11300 Tough Pitch Copper with Silver   ASTM B1, ASTM B2, ASTM B3, ASTM B8, ASTM B33, ASTM B47, ASTM B48, ASTM B49
  (STP)   ASTM B116, ASTM B152, ASTM B172, ASTM B173, ASTM B174, ASTM B187,
      ASTM B188, ASTM B189, ASTM B226, ASTM B228,ASTM B229, ASTM B246
      ASTM B272, ASTM B256, ASTM B298, ASTM B355, ASTM B470,ASTM B496,
      ASTM B506
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