Copper Alloys

Copper Tungsten

Achieve Precision and Performance with Copper Tungsten Alloys

Copper tungsten alloys are a unique composite material that combines the benefits of both copper and tungsten to create an exceptional balance of thermal and electrical conductivity and high strength and durability. From class 10 to class 14, these alloys are tailored to meet specific requirements for various industrial and technological applications. Each class differs in the proportion of copper and tungsten, allowing for fine-tuned properties that cater to the needs of industries such as aerospace, electronics, and automotive.

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Class 10

30% COPPER | 70% TUNGSTEN

Light duty projection welding dies where weld pressures are medium to light.

Class 11

25% COPPER | 75% TUNGSTEN

Used for facings and inserts for flash and butt welding dies, projection welding electrodes, seam welding, bearing inserts, facings for electroforming, and electro-forging dies. Often used for EDM electrodes for greater wear ratios.

Class 12

20% COPPER | 80% TUNGSTEN

Heavy-duty projection welding electrodes die facings for electro-forming and electro-forging, also facings for upsetting rivets and studs.

Class 13

100% TUNGSTEN

Recommended principally for welding or electro-brazing non-ferrous metals having relatively high electrical conductivity. Cross-wire welding or copper and brass wires and welding of copper wire braid to brass and bronze terminals are typical applications. Generally, special set-ups and procedures are required for this type of work.

Class 14

100% MOLYBDENUM

More About the Material

Additional Characteristics of Copper Tungsten Alloys

Class 10 to class 14 copper tungsten alloys are engineered to withstand extreme temperatures, resist wear, and maintain dimensional stability. They are particularly suited for electrical contacts, heat sinks, and electrode materials for electrical discharge machining (EDM). With their unique properties, copper tungsten alloys have become indispensable in manufacturing high-performance components and devices, ensuring reliability and efficiency across diverse sectors. As technology advances, the demand for these versatile and robust alloys is only expected to grow, further solidifying their integral role in modern innovation.

Product Specs & Information

For more information on Copper Tungsten Alloys, refer to its detailed chemical composition, which provides in-depth insights into its properties, handling, and safety precautions to better understand its applications and benefits.

Class 10 - 30% Copper | 70% Tungsten

Electrical Conductivity % IACS	Rockwell Hardness	Ultimate Strength PSI	Cross Breaking Strength PSI	Density GMS/CC
48	90B	85,000	140,000	14.18

Class 11 - 25% Copper | 75% Tungsten

Electrical Conductivity % IACS	Rockwell Hardness	Ultimate Strength PSI	Cross Breaking Strength PSI	Density GMS/CC
46	98B	90,000	150,000	14.7

Class 12 - 20% Copper | 80% Tungsten

Electrical Conductivity % IACS	Rockwell Hardness	Ultimate Strength PSI	Cross Breaking Strength PSI	Density GMS/CC
42	103B	98,000	170,000	15.4

Class 13 - 100% Tungsten

Electrical Conductivity % IACS	Rockwell Hardness	Ultimate Strength PSI	Cross Breaking Strength PSI	Density GMS/CC
30	30-35C	100,000	–	19.1

Class 14 - 100% Molybdenum

Electrical Conductivity % IACS	Rockwell Hardness	Ultimate Strength PSI	Cross Breaking Strength PSI	Density GMS/CC
33	92-98B	100,000	–	10.15

Safety Data Sheet

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Discover Southern Copper's Product Range

Explore our extensive selection of copper products and find the perfect solution for your project. Don’t miss out on our top-quality metal alloy offerings!

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