Kunyanya kuitirwa kugadzirwa kweyepasi tembiricha yemagetsi kuramba kuitira kuti tambo dzekudziya, shunts, kupokana kwemotokari, vane tembiricha yekushanda ye752 ° F. Naizvozvo ivo havapindire mumunda wekupokana kwevira remaindasitiri, ivo vanonyanya kuziva CuNi44 (inonziwo Constantan) inopa zvakanakira yakaderera tembiricha coeffcient. Zvakanakira zvavo ndezvizvi: 1.very good resistance kune ngura 2.very yakanaka malleability 3.very good solderability