Ana amfani da ƙarfe mai jure wa lantarki sosai a cikin na'urorin dumama wutar lantarki, musamman NiCr. Nichrome ƙarfe ne na nickel da chromium wanda aka fi amfani da shi wajen samar da waya mai jure wa lantarki saboda ƙarfin juriyarsa da kuma ƙarfin hana iskar shaka a yanayin zafi har zuwa 1250°C shi ya sa wayoyin juriya suka dace da aiki a cikin mawuyacin yanayi inda ake fuskantar matsin lamba da zafi. Vladimir Plant of Precision Alloys yana ƙera ƙarfe mai jure wa lantarki da kuma ƙarfe mai dumama daga tushe. Ƙarfinmu shine yin wayoyi, tsiri, ribbon da foil, gami da ƙarfe na NiCr da ƙarfe na Fe-Cr-Al.
| Matsayi | Ni80Cr20 | Ni70Cr30 | Ni60Cr23 | Ni60Cr15 | Ni35Cr20 | Karma | Evanohm | |
| Tsarin da ba na yau da kullun ba% | Ni | Bal | Bal | 58.0-63.0 | 55.0-61.0 | 34.0-37.0 | Bal | Bal |
| Cr | 20.0-23.0 | 28.0-31.0 | 21.0-25.0 | 15.0-18.0 | 18.0-21.0 | 19.0-21.5 | 19.0-21.5 | |
| Fe | ≦1.0 | ≦1.0 | Bal | Bal | Bal | 2.0-3.0 | – | |
| Al1.0-1.7 Ti 0.3-0.5 | Al2.7-3.2 Mn0.5-1.5 | Al2.7-3.2 Cu2.0-3.0 Mn0.5-1.5 | ||||||
| Matsakaicin zafin aiki (°C) | 1200 | 1250 | 1150 | 1150 | 1100 | 300 | 400 | |
| Juriya (Ω/cmf,20℃) | 1.09 | 1.18 | 1.21 | 1.11 | 1.04 | 1.33 | 1.33 | |
| Juriya (uΩ/m,60°F) | 655 | 704 | 727 | 668 | 626 | 800 | 800 | |
| Yawan yawa (g/c)m³) | 8.4 | 8.1 | 8.4 | 8.2 | 7.9 | 8.1 | 8.1 | |
| Tsarin kwararar zafi (KJ/m)·h·℃) | 60.3 | 45.2 | 45.2 | 45.2 | 43.8 | 46.0 | 46.0 | |
| Ma'aunin Faɗaɗa Layi (×10¯6/℃) 20-1000℃) | 18.0 | 17.0 | 17.0 | 17.0 | 19.0 | - | - | |
| Wurin Narkewa (℃) | 1400 | 1380 | 1370 | 1390 | 1390 | 1400 | 1400 | |
| Taurin kai (Hv) | 180 | 185 | 185 | 180 | 180 | 180 | 180 | |
| Ƙarfin Tauri (N/mm)2 ) | 750 | 875 | 800 | 750 | 750 | 780 | 780 | |
| Tsawaita (%) | ≥20 | ≥20 | ≥20 | ≥20 | ≥20 | 10-20 | 10-20 | |
| Tsarin Micrographic | austenite | austenite | austenite | austenite | austenite | austenite | austenite | |
| Kariyar Magnetic | Ba | Ba | Ba | Ɗan kaɗan | Ba | Ba | Ba | |
| Rayuwa Mai Sauri(h/℃) | ≥81/1200 | ≥50/1250 | ≥81/1200 | ≥81/1200 | ≥81/1200 | - | - | |
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