Kanthal is a world-leading brand for products and services in the area of industrial heating technology and resistance materials.

Copper-nickel (CuNi) wire alloys

Cuprothal and Manganina copper-nickel (CuNi) alloys in wire and ribbon (flat wire) form. More information about each type of resistance alloy and resistance heating alloy, such as chemical composition, is available in the datasheet for the respective grade.

See also our complete list of alloys to compare different types of materials.

CuNi alloys
Max. continuous operating temp.
ºC (ºF)
Resistivity at 20ºC (68ºF)
Ω mm2/m (Ω/cmf)
Cuprothal 49 (wire) 600 (1110) 0.49 (295)
Cuprothal 30 (wire) 400 (750) 0.30 (180)
Cuprothal 15 (wire) 400 (750) 0.15 (90)
Cuprothal 10 (wire) 300 (570) 0.10 (60)
Cuprothal 5 (wire) 300 (570) 0.05 (30)
Manganina 43 (wire) - 0.43 (259)

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