Wesi tahan listrik digunakake ing pemanas listrik, utamane NiCr. Nichrome minangka paduan nikel lan kromium sing umum digunakake ing produksi kawat resistensi amarga resistensi dhuwur lan sifat anti-oksidasi sing stabil ing suhu nganti 1250 ° C, mulane kabel resistensi cocog kanggo layanan ing lingkungan ekstrem sing kena tekanan lan panas. Vladimir Plant of Precision Alloys wis nggawe paduan tahan lan paduan panas saka dhasare. Kekuwatan kita yaiku nggawe kabel, strip, pita lan foil, kalebu paduan NiCr lan paduan Fe-Cr-Al.
sasmita | Ni80Cr20 | Ni70Cr30 | Ni60Cr23 | Ni60Cr15 | Ni35Cr20 | Karma | Evanohm | |
Komposisi nominal% | 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 | ||||||
Suhu operasi maksimal (°C) | 1200 | 1250 | 1150 | 1150 | 1100 | 300 | 400 | |
Resisivity (Ω/cmf, 20 ℃) | 1.09 | 1.18 | 1.21 | 1.11 | 1.04 | 1.33 | 1.33 | |
Resisivity (uΩ/m,60°F) | 655 | 704 | 727 | 668 | 626 | 800 | 800 | |
Kapadhetan (g/cm³) | 8.4 | 8.1 | 8.4 | 8.2 | 7.9 | 8.1 | 8.1 | |
Konduktivitas termal (KJ/m·h· ℃) | 60.3 | 45.2 | 45.2 | 45.2 | 43.8 | 46.0 | 46.0 | |
Koefisien Ekspansi Linear (×10¯6/℃) 20-1000 ℃) | 18.0 | 17.0 | 17.0 | 17.0 | 19.0 | - | - | |
Titik lebur (℃) | 1400 | 1380 | 1370 | 1390 | 1390 | 1400 | 1400 | |
Kekerasan (Hv) | 180 | 185 | 185 | 180 | 180 | 180 | 180 | |
Kekuwatan Tarik (N/mm2 ) | 750 | 875 | 800 | 750 | 750 | 780 | 780 | |
Elongasi (%) | ≥20 | ≥20 | ≥20 | ≥20 | ≥20 | 10-20 | 10-20 | |
Struktur Mikrografi | austenit | austenit | austenit | austenit | austenit | austenit | austenit | |
MagneticProperty | Non | Non | Non | Rada-rada | Non | Non | Non | |
Urip Cepet(h/℃) | ≥81/1200 | ≥50/1250 | ≥81/1200 | ≥81/1200 | ≥81/1200 | - | - |
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