Xususiyatlar \ daraja | NiCr 80/20 | NiCr 70/30 | NiCr 60/15 | NiCr 35/20 | NiCr 30/20 | |
Asosiy kimyoviy tarkibi% | Ni | Balans | Balans | 55,0-61,0 | 34,0-37,0 | 30,0-34,0 |
Cr | 20,0-23,0 | 28,0-31,0 | 15,0-18,0 | 18,0-21,0 | 18,0-21,0 | |
Fe | ≤1,0 | ≤1,0 | Balans | Balans | Balans | |
Maksimal uzluksiz xizmat ko'rsatish harorati (°C) | 1200 | 1250 | 1150 | 1100 | 1100 | |
Qarshilik (uŌm,20°C) | 1.09 | 1.18 | 1.11 | 1.04 | 1.04 | |
Zichlik (g/sm3) | 8.4 | 8.1 | 8.2 | 7.9 | 7.9 | |
Issiqlik o'tkazuvchanligi (KJ/m·h·°C) | 60.3 | 45.2 | 45.2 | 43.8 | 43.8 | |
Issiqlik kengayish koeffitsienti (a×10-6/°C) | 18.0 | 17.0 | 17.0 | 19.0 | 19.0 | |
Erish nuqtasi (°C) | 1400 | 1380 | 1390 | 1390 | 1390 | |
Uzayish (%) | ≥20 | ≥20 | ≥20 | ≥20 | ≥20 | |
Mikrografik tuzilma | ostenit | ostenit | ostenit | ostenit | ostenit | |
Magnit xususiyat | magnit bo'lmagan | magnit bo'lmagan | magnit bo'lmagan | magnit bo'lmagan | magnit bo'lmagan |
150 0000 2421