Constantan Wire Constantine (100g/reel) SWG 16 / 20 / 22 / 24 / 26 / 28 / 30 / 32 / 34 / 36

Constantan is a proprietary name for a copper–nickel alloy also known as Eureka, Advance and Ferry. It usually consists of 55% copper and 45% nickel. Its main feature is the low thermal variation of its resistivity, which is constant over a wide range of temperatures.