Chromel A hutumiwa kwa vipengele vya kupokanzwa umeme katika vifaa vya nyumbani na tanuu za viwanda. Maombi ya kawaida ni chuma gorofa, mashine za kupiga pasi, hita za maji, ukingo wa plastiki hufa, chuma cha soldering, vipengele vya tubula vya chuma na vipengele vya cartridge.
Daraja | Ni80Cr20 | Ni70Cr30 | Ni60Cr23 | Ni60Cr15 | Ni35Cr20 | Karma | Evanohm | |
Utungaji mdogo% | 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 | ||||||
Kiwango cha juu cha halijoto cha kufanya kazi (°C) | 1200 | 1250 | 1150 | 1150 | 1100 | 300 | 400 | |
Ustahimilivu(Ω/cmf,20℃) | 1.09 | 1.18 | 1.21 | 1.11 | 1.04 | 1.33 | 1.33 | |
Ustahimilivu (uΩ/m,60°F) | 655 | 704 | 727 | 668 | 626 | 800 | 800 | |
Uzito (g/cm³) | 8.4 | 8.1 | 8.4 | 8.2 | 7.9 | 8.1 | 8.1 | |
Uendeshaji wa Joto(KJ/m·h·℃) | 60.3 | 45.2 | 45.2 | 45.2 | 43.8 | 46.0 | 46.0 | |
Mgawo wa Upanuzi wa Mstari(×10¯6/℃)20-1000℃) | 18.0 | 17.0 | 17.0 | 17.0 | 19.0 | - | - | |
Kiwango Myeyuko(℃) | 1400 | 1380 | 1370 | 1390 | 1390 | 1400 | 1400 | |
Ugumu (Hv) | 180 | 185 | 185 | 180 | 180 | 180 | 180 | |
Nguvu ya Mkazo (N/mm2) | 750 | 875 | 800 | 750 | 750 | 780 | 780 | |
Kurefusha(%) | ≥20 | ≥20 | ≥20 | ≥20 | ≥20 | 10-20 | 10-20 | |
Muundo wa Micrographic | austenite | austenite | austenite | austenite | austenite | austenite | austenite | |
MagneticProperty | Sio | Sio | Sio | Kidogo | Sio | Sio | Sio | |
Maisha ya Haraka(h/℃) | ≥81/1200 | ≥50/1250 | ≥81/1200 | ≥81/1200 | ≥81/1200 | - | - |
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