UNS Norm materials Page 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 updated• Lxxxxx Low Melting Metals and Alloys updated• Mxxxxx Miscellaneous Nonferrous Metals and Alloys updated• Nxxxxx Nickel and Nickel Alloys updated• Pxxxxx Precious Metals and Alloys updated• Rxxxxx Reactive and Refractory Metals and Alloys updated• Sxxxxx Heat and Corrosion Resistant Steels updated

(Including Stainless), Valve Steels and Iron-Base „Superalloys“• Txxxxx Tool Steels, Wrought and Cast updated• Wxxxx Welding Filler Metals updated• Zxxxxx Zinc and Zinc Alloys updated

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Information about Aluminum and Aluminum Alloys

UNS Axxxxx

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Aluminum and Aluminum Cast Alloys withthe Standard Material Number „UNS Axxxxxx“

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Aluminum Foundry Alloy Castingswith the Material Number xxx.x

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Aluminum Foundry Alloy Castingswith the Material Number xxx.x

All Aluminum Foundry Alloy Castingshave the Standard Material Number

UNS A1xxxx – UNS A6xxxx

The Ingot Alloys are not documented in IMDS!

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Aluminum and Aluminum Wrought Alloys withthe Standard Material Number „UNS Axxxxxx“

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Aluminum and Aluminum Wrought Alloys withthe Standard Material Number „UNS Axxxxxx“

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Aluminum Wrought Alloyswith the Material Number xxxx

All Aluminum Wrought Alloyshave the Standard Material Number

UNS A8xxxx – UNS A9xxxx

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Information about Copper and Copper Alloys

UNS Cxxxxx

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Copper and Copper Alloys withthe Standard Material Number „UNS Cxxxxxx“

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Copper amd Copper Alloys withthe Standard Material Number „UNS Cxxxxxx“

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Copper amd Copper Alloys withthe Standard Material Number „UNS Cxxxxxx“

The Cast Copper Alloys have the Standard Material NumberUNS C9xxxx

All other Copper Alloys have the Standard Material NumberUNS C1xxxx – UNS C8xxxx

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Information about AISI and SAE Carbon and Alloy Steels

UNS Gxxxxx

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AISI and SAE Carbon Alloy Steels withthe Standard Material Number „UNS Gxxxxxx“

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List of AISI and SAE Carbon Alloy Steels withthe Standard Material Number „UNS Gxxxxxx“

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Example: AISI and SAE Carbon Alloy Steel withthe Standard Material Number UNS G10840

AISI or SAE number of the material

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AISI or SAE number of theMaterial has the form xxBxx

Boron Alloyed Steels

The UNS number has a „1“ as last digit

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AISI or SAE number of the material

Leaded Steels

The UNS number has a „4“ as last digit

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Information about AISI and SAE H-Steels

UNS Hxxxxx

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AISI and SAE H-Steels withthe Standard Material Number „UNS Hxxxxx“

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Example: AISI and SAE Carbon Alloy Steel withthe Standard Material Number UNS H50460

AISI or SAE number of the material

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Information about Miscellaneous Steels and Ferrous Alloys UNS Kxxxxx

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Miscellaneous Steels and Ferrous Alloys withthe Standard Material Number „UNS Kxxxxx“

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List of Miscellaneous Steels and Ferrous Alloys withthe Standard Material Number „UNS Kxxxxx“

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Example: Miscellaneous Steel and Ferrous Alloy withthe Standard Material Number „UNS K14675“

SAE number of the material

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Information about Low Melting

Metals and Alloys UNS Lxxxxx

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Low Melting Metals and Alloys withthe Standard Material Number „UNS Lxxxxx“

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List of Low Melting Metals and Alloys withthe Standard Material Number „UNS Lxxxxx“

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Example: Low Melting Metal and Alloy withthe Standard Material Number UNS L54320

ASTM number of the material

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Information about Miscellaneous Nonferrous

Metals and Alloys UNS Mxxxxx

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Miscellaneous Nonferrous Metals and Alloys withthe Standard Material Number „UNS Mxxxxx“

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List of Miscellaneous Nonferrous Metals and Alloys withthe Standard Material Number „UNS Mxxxxx“

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Example: Miscellaneous Nonferrous Metals and Alloys withthe Standard Material Number UNS M10500

AISI or SAE number of the material

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Information about Nickel and Nickel Alloys

UNS Nxxxxx

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Nickel and Nickel Alloys withthe Standard Material Number „UNS Nxxxxx“

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List of Nickel and Nickel Alloys withthe Standard Material Number „UNS Nxxxxx“

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Example: Nickel or Nickel Alloy withthe 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 theStandard Material Number.Here you find the material number „718“ in theStandard Material Number UNS N07718.Sometimes ist easier to search for*UNS N*718* in the field Std. Mat.-No.

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Information about Precious Metals and Alloys

UNS Pxxxxx

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Precious Metals and Alloys withthe Standard Material Number „UNS Pxxxxx“

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List of Precious Metals and Alloys withthe Standard Material Number „UNS Pxxxxx“

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Example: Precious Metal and Alloy withthe Standard Material Number “UNS P00692“

ASTM number of the material

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Information about Reactive and Refractory

Metals and Alloys UNS Rxxxxx

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Reactive and Refractory Metals and Alloys withthe Standard Material Number „UNS Rxxxxx“

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List of Reactive and Refractory Metals and Alloys withthe Standard Material Number „UNS Rxxxxx“

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Example: Recactive and Refractory Metal and Alloy withthe Standard Material Number “UNS R30006“

SAE number of the material

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Information about Heat and Corrosion Resistant Steels (Including Stainless),

Valve Steels and Iron Base „Super Alloys“ UNS Sxxxxx

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Heat and Corrosion Resistant Steels (Including Stainless), Valve Steels and Iron Base „Super Alloys“ UNS Sxxxxx

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List of Heat and Corrosion Resistant Steels (Including Stainless), Valve Steels and Iron Base „Super Alloys“ UNS Sxxxxx

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Example: Heat and Corrosion Resistant Steels (Including Stainless), Valve Steels and Iron Base „Super Alloys“ UNS S30403

AISI or SAE number of the material

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Information about Tool Steels, Wrought and Cast

UNS Txxxxx

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Tool Steels, Wrought and Cast withthe Standard Material Number „UNS Txxxxx“

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List of Tool Steels, Wrought and Cast withthe Standard Material Number „UNS Txxxxx“

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Example: Tool Steel, Wrought and Cast withthe Standard Material Number “UNS T30402“

SAE/ASTM number of the material

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Information about Welding Filler Metals

UNS Wxxxxx

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Welding Filler Metals withthe Standard Material Number „UNS Wxxxxx“

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List of Welding Filler Metals withthe Standard Material Number „UNS Wxxxxx“

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Example: Welding Filler Metal withthe Standard Material Number “UNS W30810“

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Information about Zinc and Zinc Alloys

UNS Zxxxxx

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Zinc an Zinc Alloys withthe Standard Material Number „UNS Zxxxxx“

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List of Zinc and Zinc Alloys withthe Standard Material Number „UNS Zxxxxx“

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Example: Zinc and Zinc Alloy withthe Standard Material Number “UNS Z20301“