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HIGH CONDUCTIVITY COPPER BERYLLIUM ALLOYS
ALLOY 3 / ALLOY 10 / ALLOY 10X / ALLOY 310


Materion manufactures a family of copper beryllium (CuBe) alloys that includes Alloy 3, Alloy 10, Alloy 10x and Alloy 310. These CuBe Alloys offer high electrical and thermal conductivity with yield strength variation based on alloy chemistries.

ALLOY 3

Alloy 3 (UNS C17510), a copper-nickel-beryllium alloy, provides good strength with high electrical and thermal conductivity and good resistance to stress relaxation. This alloy features good elevated temperature strength.

To learn more about Alloy 3 physical and mechanical properties, forms, sizes and tolerances, download our Alloys 3 data sheets.

ALLOY 10

Alloy 10 (UNS C17500), a copper-cobalt-beryllium alloy, combines moderate yield strength, up to 140 ksi, with electrical and thermal conductivity that is 45 to 60 percent that of pure copper.

To learn more about Alloy 10 physical and mechanical properties, forms, sizes and tolerances, download our Alloys 10 data sheet.

ALLOY 10X

Alloy 10X, a copper-cobalt-beryllium-zirconium alloy, was developed for improved high-temperature strength and ductility.  Alloy 10X retains good strength and ductility at temperatures up to 800 °F/ 430 °C, and it has superior resistance to thermal cracking. It is the copper alloy of choice for sustained operation when high strength is required above 575 °F/ 300 °C.

To learn more about Alloy 10X physical and mechanical properties, forms, and sizes, download our Alloys 10X data sheet.

ALLOY 310

Alloy 310, a copper-beryllium-nickel-cobalt alloy, combines the properties of Alloy 3 and Alloy 10, offering high electrical and thermal conductivity along with good strength and hardness. Alloy 310 has higher than average thermal fatigue resistance.

To learn more about Alloy 310 physical and mechanical properties, forms, sizes and tolerances, see our Alloy 310 data sheet.

COPPER BERYLLIUM ALLOY 3, 10, 10X & 310 APPLICATIONS

Alloy 3 and Alloy 10 are engineered for excellent performance in the appliance, automotive, telecom and energy industries. Alloy 3 wire works well for long-reach power and signal cables for offshore oil and gas operations. Our Alloy 3 strip product provides very high electrical conductivity, making it a reliable material for switches and relays. Alloy 3 and Alloy 10 plate offer high thermal conductivity and are excellent materials for metal die casting, injection molding and blow molding.

Alloy 10x offers outstanding thermal conductivity and superior resistance to thermal cracking, making this material ideal for high performance powertrain automotive applications such as exhaust valve seats.

Alloy 310 combines the electrical conductivity with thermal durability, making it a good material for resistance welding electrodes, welding electrode components, non-ferrous metal casting, dies, nozzles and plungers.

ALLOY 3, 10, 10X AND 310 SPECIFICATIONS & STANDARDS

Our alloy products adhere to specifications and standards set by ASTM International, SAE International, RWMA, European Standard EN and the Military Standard. The chart below shows the specifications for each product. To find information and specifications on each product, read our product literature about our copper beryllium wrought alloys.

CUBE ALLOY 3

Alloy 3 Strip

Alloy 3 Rod & Bar

Alloy 3 Plate

Alloy 3 Tube

Alloy 3 Wire

Alloy 3 Forgings & Extrusions

ASTM B 534
ASTM B 888

ASTM B 441

ASTM B 534

ASTM B 937

 

ASTM B 938

 

SAE J461 
SAE J463

SAE J461 
SAE J463

 

 

 

 

RWMA Class 3

RWMA Class 3

 

 

RWMA Class 3

EN 1652 
EN 1654 
EN 14436

EN 12163 
EN 12165 
EN 12167

 

EN 12163 
EN 12165 
EN 12167

EN 12167 
EN 12166

EN 12165 
EN 12420

MIL-C-81021

 

 

 

 

 

CUBE ALLOY 10

Alloy 10 Rod & Bar

Alloy 10 Plate

Alloy 10 Tube

Alloy 10 Wire

Alloy 10
Forgings & Extrusions

ASTM B 441

ASTM B 534

ASTM B 937

 

ASTM B 938

SAE J461 
SAE J463

SAE J461 
SAE J463

SAE J461 
SAE J463

 

SAE J461 
SAE J463

RWMA Class 3

 

 

 

RWMA Class 3

EN 12163 
EN 12165 
EN 12167

 

EN 12163 
EN 12165 
EN 12167

EN 12165 
EN 12166

EN 12165 
EN 12420

CUBE ALLOY 10X

Alloy 10X
Rod & Bar

Alloy 10X Plate

Alloy 10X Tube

Alloy 10X Wire

Alloy 10X Forgings & Extrusions

ASTM B 441,
RWMA Class 3

-

ASTM B 441,
RWMA Class 3

-

-

CUBE ALLOY 310

Alloy 310
Rod & Bar

Alloy 310 Plate

Alloy 310 Tube

Alloy 310 Wire

Alloy 310 Forgings & Extrusions

RWMA Class 3

EN 1652, RWMA Class 3

-

-

RWMA Class 3

If you have questions about the best CuBe Alloy to meet your demanding specification, contact our engineering team for further details and product selection support.