Cronix 70 atmosferani kamaytiradigan sanoat pechlarida korroziyaga chidamli elektr isitish elementlari uchun ishlatiladi. Cronix 70 havodagi oksidlanishga juda chidamli. MgO qoplamali isitish elementlarida yoki azotli yoki karbonlashtiruvchi atmosferani ishlatadigan ilovalarda foydalanish tavsiya etilmaydi.
Baho | Ni80Cr20 | Ni70Cr30 | Ni60Cr23 | Ni60Cr15 | Ni35Cr20 | Karma | Evanohm | |
Nominal tarkibi% | 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 | ||||||
Maksimal ish harorati (°C) | 1200 | 1250 | 1150 | 1150 | 1100 | 300 | 400 | |
Qarshilik (Ω/cmf, 20℃) | 1.09 | 1.18 | 1.21 | 1.11 | 1.04 | 1.33 | 1.33 | |
Qarshilik (uŌ/m,60°F) | 655 | 704 | 727 | 668 | 626 | 800 | 800 | |
Zichlik (g/sm³) | 8.4 | 8.1 | 8.4 | 8.2 | 7.9 | 8.1 | 8.1 | |
Issiqlik o'tkazuvchanligi (KJ/m·h·℃) | 60.3 | 45.2 | 45.2 | 45.2 | 43.8 | 46,0 | 46,0 | |
Chiziqli kengayish koeffitsienti (×10¯6/℃)20-1000℃) | 18.0 | 17.0 | 17.0 | 17.0 | 19.0 | - | - | |
Erish nuqtasi (℃) | 1400 | 1380 | 1370 | 1390 | 1390 | 1400 | 1400 | |
Qattiqlik (Hv) | 180 | 185 | 185 | 180 | 180 | 180 | 180 | |
Kuchlanish kuchi (N/mm2) | 750 | 875 | 800 | 750 | 750 | 780 | 780 | |
Uzayish (%) | ≥20 | ≥20 | ≥20 | ≥20 | ≥20 | 10-20 | 10-20 | |
Mikrografik tuzilma | ostenit | ostenit | ostenit | ostenit | ostenit | ostenit | ostenit | |
Magnit xususiyat | Yo'q | Yo'q | Yo'q | Bir oz | Yo'q | Yo'q | Yo'q | |
Tez hayot (h/℃) | ≥81/1200 | ≥50/1250 | ≥81/1200 | ≥81/1200 | ≥81/1200 | - | - |
150 0000 2421