Kopel from warehouse, Dnipropetrovsk region.

"
Chromel copper (thermocouple wire) from a warehouse in Dnipropetrovsk and to order
Chromel NH 9.5 is an alloy consisting of the following elements: Cr (8.7-10%); Ni (89-91%); Si, Cu, Mn, Co impurities. The density of the alloy is 8710 kg/m3, the melting temperature is 1400-1500 °C, the temperature coefficient of linear expansion is 12.8·10-6 °C-1, the specific electrical resistance is 0.66 μΩ·m. A wire for thermocouples is made from the alloy.(//tractor-service.com)
Kopel MNMts 43-0.5 is an alloy consisting of the following elements: Ni (43-44%); Fe (2-3%); the rest is Cu. The density of the alloy is 8900 kg/m3, the melting temperature is 1220-1290 °C, the temperature coefficient of linear expansion is 14·10-6 °C-1, the specific electrical resistance is 0.5 μΩ·m. It has a high thermoelectromotive force in a pair with many metals and is used for the manufacture of thermocouple electrodes

"