Copper-Tungsten

Class 12

Class 12 Copper Tungsten contains 20% copper and 80% tungsten. Stronger than Class 10 and 11 Copper Tungsten, it is commonly used in heavy duty projection welding electrodes, electro-forming and -forging electrode facings for upsetting studs and rivets, and cross wire welding. IT is also used in the liners of some specialty shaped explosive charges for the defense and oil and gas industries.

CDA No. C74350

Applications for Copper Tungsten

RESISTANCE WELDING
HEAT SINKS
ELECTRICAL DISCHARGE MACHINING
ELECTRO-CHEMICAL MACHINING
ELECTRICAL CONTACTS

COPPER TUNGSTEN CLASS 12 (30W3)

Class 12 material is specifically recommended for heavy duty projection welding electrodes and for die facings in electro-forming and electro-forging applications. It is suitable as die material for electrical upsetting of rivets and studs.