CarTech Tophet alloy C consists of 60% nickel, 16% chromium, and balance iron. It has excellent heat resistance up to 1850°F (1010°C).

CarTech Tophet alloy C has earned a reputation as the most suitable element for domestic appliances where consistent high quality is essential but where operating temperatures do not require the high heat resisting properties of CarTech Tophet alloy A or CarTech Tophet alloy 30.


CarTech Tophet alloy C, because of its ability to withstand high overloads, has been used for heavy-duty rheostats and controls. The high electrical resistivity (675 ohms cm/f), relatively low TCR, and its ease of fabrication have made CarTech Tophet alloy C widely used in "edge-wound" power resistors.