Metals and Alloys in the Unified Numbering System (UNS)

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1 Metals and Alloys in the Unified Numbering System (UNS) Axxxxx Aluminum and Aluminum Alloys updated Cxxxxx Copper and Copper Alloys updated Dxxxxx Specified Mechanical Properties Steels not updated Exxxxx Rare Earth and Similar Metals and Alloys not updated Fxxxxx Cast Irons not updated Gxxxxx AISI and SAE Carbon and Alloy Steels updated Hxxxxx AISI and SAE H-Steels updated Jxxxxx Cast Steels (Except Tool Steels) not updated Kxxxxx Miscellaneous Steels and Ferrous Alloys not updated Lxxxxx Low Melting Metals and Alloys not updated Mxxxxx Miscellaneous Nonferrous Metals and Alloys updated Nxxxxx Nickel and Nickel Alloys updated Pxxxxx Precious Metals and Alloys not updated Rxxxxx Reactive and Refractory Metals and Alloys not updated Sxxxxx Heat and Corrosion Resistant Steels updated (Including Stainless), Valve Steels and Iron-Base Superalloys Txxxxx Tool Steels, Wrought and Cast not updated Wxxxx Welding Filler Metals not updated Zxxxxx Zinc and Zinc Alloys not updated UNS Norm materials Page 1

2 Information about Aluminum and Aluminum Alloys UNS Axxxxx UNS Norm materials Page 2

3 Aluminum and Aluminum Cast Alloys with the Standard Material Number UNS Axxxxxx UNS Norm materials Page 3

4 Aluminum Foundry Alloy Castings with the Material Number xxx.x UNS Norm materials Page 4

5 Aluminum Foundry Alloy Castings with the Material Number xxx.x All Aluminum Foundry Alloy Castings have the Standard Material Number UNS A1xxxx UNS A6xxxx The Ingot Alloys are not documented in IMDS! UNS Norm materials Page 5

6 Aluminum and Aluminum Wrought Alloys with the Standard Material Number UNS Axxxxxx UNS Norm materials Page 6

7 Aluminum and Aluminum Wrought Alloys with the Standard Material Number UNS Axxxxxx UNS Norm materials Page 7

8 Aluminum Wrought Alloys with the Material Number xxxx All Aluminum Wrought Alloys have the Standard Material Number UNS A8xxxx UNS A9xxxx UNS Norm materials Page 8

9 Information about Copper and Copper Alloys UNS Cxxxxx UNS Norm materials Page 9

10 Copper and Copper Alloys with the Standard Material Number UNS Cxxxxxx UNS Norm materials Page 10

11 Copper and Copper Alloys with the Standard Material Number UNS Cxxxxxx UNS Norm materials Page 11

12 Copper and Copper Alloys with the Standard Material Number UNS Cxxxxxx The Cast Copper Alloys have the Standard Material Number UNS C9xxxx All other Copper Alloys have the Standard Material Number UNS C1xxxx UNS C8xxxx UNS Norm materials Page 12

13 Information about AISI and SAE Carbon and Alloy Steels UNS Gxxxxx UNS Norm materials Page 13

14 AISI and SAE Carbon Alloy Steels with the Standard Material Number UNS Gxxxxxx UNS Norm materials Page 14

15 List of AISI and SAE Carbon Alloy Steels with the Standard Material Number UNS Gxxxxxx UNS Norm materials Page 15

16 Example: AISI and SAE Carbon Alloy Steel with the Standard Material Number UNS G10840 AISI or SAE number of the material UNS Norm materials Page 16

17 Boron Alloyed Steels AISI or SAE number of the Material has the form xxbxx The UNS number has a 1 as last digit UNS Norm materials Page 17

18 Leaded Steels AISI or SAE number of the material The UNS number has a 4 as last digit UNS Norm materials Page 18

19 Information about AISI and SAE H-Steels UNS Hxxxxx UNS Norm materials Page 19

20 AISI and SAE H-Steels with the Standard Material Number UNS Hxxxxx UNS Norm materials Page 20

21 Example: AISI and SAE Carbon Alloy Steel with the Standard Material Number UNS H50460 AISI or SAE number of the material UNS Norm materials Page 21

22 Information about Miscellaneous Nonferrous Metals and Alloys UNS Mxxxxx UNS Norm materials Page 22

23 Miscellaneous Nonferrous Metals and Alloys with the Standard Material Number UNS Mxxxxx UNS Norm materials Page 23

24 List of Miscellaneous Nonferrous Metals and Alloys with the Standard Material Number UNS Mxxxxx UNS Norm materials Page 24

25 Example: Miscellaneous Nonferrous Metals and Alloys with the Standard Material Number UNS M10500 AISI or SAE number of the material UNS Norm materials Page 25

26 Information about Nickel and Nickel Alloys UNS Nxxxxx UNS Norm materials Page 26

27 Nickel and Nickel Alloys with the Standard Material Number UNS Nxxxxx UNS Norm materials Page 27

28 List of Nickel and Nickel Alloys with the Standard Material Number UNS Nxxxxx UNS Norm materials Page 28

29 Example: Nickel or Nickel Alloy with the Standard Material Number UNS N07718 ASTM/AISI or SAE number of the material Remark: In many cases the ASTM/AISI or SAE material number is part of the Standard Material Number. Here you find the material number 718 in the Standard Material Number UNS N Sometimes ist easier to search for *UNS N*718* in the field Std. Mat.-No. UNS Norm materials Page 29

30 Information about Heat and Corrosion Resistant Steels (Including Stainless), Valve Steels and Iron Base Super Alloys UNS Sxxxxx UNS Norm materials Page 30

31 Heat and Corrosion Resistant Steels (Including Stainless), Valve Steels and Iron Base Super Alloys UNS Sxxxxx UNS Norm materials Page 31

32 List of Heat and Corrosion Resistant Steels (Including Stainless), Valve Steels and Iron Base Super Alloys UNS Sxxxxx UNS Norm materials Page 32

33 Example: Heat and Corrosion Resistant Steels (Including Stainless), Valve Steels and Iron Base Super Alloys UNS S30403 AISI or SAE number of the material UNS Norm materials Page 33