Also called tellurium copper, 145 copper contains tellurium, which makes it more machinable than all other copper while maintaining good corrosion resistance and high electrical conductivity. It’s often used for transformer and circuit-breaker terminals, welding torch tips, and fasteners.
SAE J461, J463 / ASTM B-301 copper, B-124
Transistor Bases, Motor Parts, Electrical Connectors, Switch Parts, Welding Torch Tips, Soldering Tips, Screw Machine Products, Forgings
C14500, CuTeP-C42-CW118C