Copper beryllium is a material alloy made of copper with 0.4 to 2% beryllium. Metal springs and Form springs from this Copper-beryllium alloys be due to the special Material properties like as Contact springs and Battery contacts used because they
Copper beryllium (CuBe) properties
![Copper beryllium (CuBe) properties Contact spring from Gutekunst Formfedern](https://info.formfedern.com/wp-content/uploads/Blattfeder-600x350.jpg)