Ma aloyi okana magetsi amagwiritsidwa ntchito kwambiri mu ma heater amagetsi, makamaka NiCr. Nichrome ndi aloyi ya nickel ndi chromium yomwe imagwiritsidwa ntchito kwambiri popanga waya wokana chifukwa cha kukana kwake kwakukulu komanso mphamvu zake zotsutsana ndi okosijeni kutentha mpaka 1250°C, ndichifukwa chake mawaya okana ndi oyenera kugwiritsidwa ntchito m'malo ovuta kwambiri komwe amakumana ndi kupanikizika ndi kutentha. Vladimir Plant ya Precision Alloys yakhala ikupanga ma aloyi okana ndi ma heating alloys kuyambira pansi pake. Mphamvu yathu ndikupanga mawaya, mikwingwirima, riboni ndi zojambulazo, kuphatikiza ma aloyi a NiCr ndi ma aloyi a Fe-Cr-Al.
| Giredi | Ni80Cr20 | Ni70Cr30 | Ni60Cr23 | Ni60Cr15 | Ni35Cr20 | Karma | Evanohm | |
| Zipangidwe zodziwika% | Ni | Mbala | Mbala | 58.0-63.0 | 55.0-61.0 | 34.0-37.0 | Mbala | Mbala |
| 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 | Mbala | Mbala | Mbala | 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 | ||||||
| Kutentha kwakukulu kwa ntchito (°C) | 1200 | 1250 | 1150 | 1150 | 1100 | 300 | 400 | |
| Kukhazikika kwa kutentha (Ω/cmf, 20℃) | 1.09 | 1.18 | 1.21 | 1.11 | 1.04 | 1.33 | 1.33 | |
| Kukhazikika (uΩ/m,60°F) | 655 | 704 | 727 | 668 | 626 | 800 | 800 | |
| Kuchulukana (g/c)m³) | 8.4 | 8.1 | 8.4 | 8.2 | 7.9 | 8.1 | 8.1 | |
| Kutentha kwa ma conductivity (KJ/m2)·h·℃) | 60.3 | 45.2 | 45.2 | 45.2 | 43.8 | 46.0 | 46.0 | |
| Koefficient Yokulitsa Yolunjika (×10¯6/℃)20-1000℃) | 18.0 | 17.0 | 17.0 | 17.0 | 19.0 | - | - | |
| Malo Osungunula (℃) | 1400 | 1380 | 1370 | 1390 | 1390 | 1400 | 1400 | |
| Kuuma (Hv) | 180 | 185 | 185 | 180 | 180 | 180 | 180 | |
| Mphamvu Yokoka (N/mm)2 ) | 750 | 875 | 800 | 750 | 750 | 780 | 780 | |
| Kutalika (%) | ≥20 | ≥20 | ≥20 | ≥20 | ≥20 | 10-20 | 10-20 | |
| Kapangidwe ka Micrographic | austenite | austenite | austenite | austenite | austenite | austenite | austenite | |
| Katundu wa Magnetic | Ayi | Ayi | Ayi | Pang'ono pang'ono | Ayi | Ayi | Ayi | |
| Moyo Wachangu (h/)℃) | ≥81/1200 | ≥50/1250 | ≥81/1200 | ≥81/1200 | ≥81/1200 | - | - | |
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