Cuni44ƙarfe ne na jan ƙarfe-nickel (Cu56Ni44 gami) wanda ke da juriya mai ƙarfi ga wutar lantarki, juriya mai yawa da kuma juriyar tsatsa mai kyau. Ya dace da amfani a yanayin zafi har zuwa 400°C
Amfani da CuNi44 na yau da kullun sune na'urorin auna zafin jiki masu karko, na'urorin auna karfin lantarki, na'urorin auna karfin karfin lantarki da kuma na'urorin auna karfin jurewa.
Haɗuwar ma'aunin zafin jiki mara kyau da kuma juriya mai ƙarfi yana sa ƙarfen ya dace musamman don naɗewar ma'aunin juriya.
An ƙera CuNi44 daga jan ƙarfe mai amfani da lantarki da kuma nickel mai tsabta. A cikin girman waya mai ƙanƙanta, an tsara ƙarfen kamar haka:Cuni45(Mai haɗa thermocouple).
Bayanin Samfurin
Constantan kuma shine sinadarin rashin kyau na nau'in J thermocouple tare da Iron shine mai kyau; ana amfani da nau'in J thermocouple a aikace-aikacen maganin zafi. Haka kuma, shine sinadarin rashin kyau na nau'in T thermocouple tare da OFHC Copper mai kyau; ana amfani da nau'in T thermocouple a yanayin zafi mai zafi.
Abubuwan Sinadarai, %
| Ni | Mn | Fe | Si | Cu | Wani | Umarnin ROHS | |||
| Cd | Pb | Hg | Cr | ||||||
| 44 | 1.50% | 0.5 | - | Bal | - | ND | ND | ND | ND |
Kayayyakin Inji
| Matsakaicin Yanayin Sabis na Ci gaba | 400ºC |
| Juriya a 20ºC | 0.49±5%ohm mm2/m |
| Yawan yawa | 8.9 g/cm3 |
| Tsarin kwararar zafi | -6 (Matsakaicin) |
| Wurin narkewa | 1280ºC |
| Ƙarfin Tashin Hankali, An haɗa shi da N/mm2, Mai laushi | 340~535 Mpa |
| Ƙarfin Taurin Kai, N/mm3 An Yi Birgima da Sanyi | 680~1070 MPa |
| Ƙarawa (anneal) | 25% (Mafi ƙaranci) |
| Ƙara (sanyi birgima) | ≥Mafi ƙaranci)2% (Mafi ƙaranci) |
| EMF vs Cu, μV/ºC (0~100ºC) | -43 |
| Tsarin Micrographic | austenite |
| Kadarar Magnetic | Ba |



