Pemanasan CR20NI30 Kawat Resistansi Listrik untuk Kompor Listrik
Milik utama kawat resistensi pemanas
Jenis | CR20NI80 | CR15NI60 | CR30NI70 | CR20NI35 | CR20NI30 | |
Komposisi Kimia Utama | Ni | Istirahat | 55.0 ~ 61.0 | Istirahat | 34.0 ~ 37.0 | 30.0 ~ 34.0 |
Cr | 20.0 ~ 23.0 | 15.0 ~ 18.0 | 28.0 ~ 31.0 | 18.0 ~ 21.0 | 18.0 ~ 21.0 | |
Fe | ≤1 | Istirahat | ≤1 | Istirahat | Istirahat | |
Suhu maksimal (℃) | 1200 | 1150 | 1250 | 1100 | 1100 | |
Koefisien Koreksi Suhu Resistansi. (CT) | 1,09 ± 0,05 | 1,11 ± 0,05 | 1.18 ± 0,05 | 1,04 ± 0,05 | 1,06 ± 0,05 | |
Titik Melting (℃) | 1400 | 1390 | 1380 | 1390 | 1390 | |
Resistivitas ℃ (10-6Ω.m) | 800 ℃ | 1.008 | 1.078 | 1.028 | 1.188 | 1.173 |
1000 ℃ | 1.014 | 1.095 | 1.033 | 1.219 | 1.201 | |
1200 ℃ | 1.025 | 1.043 | ||||
Nilai Hidup Cepat | Tem. (℃) | 1175 | 1100 | 1200 | 1050 | 1050 |
jam (h) | ≥110 | ≥100 | ≥110 | ≥100 | ≥100 | |
Gravitasi spesifik (G/CM3) | 8.4 | 8.2 | 8.1 | 7.9 | 7.9 | |
Pemanjangan(%) | ≥25 | ≥25 | ≥20 | ≥20 | ≥20 | |
Thermal (KJ/MH ℃) | 60.3 | 45.2 | 45.2 | 43.8 | 43.8 | |
Panas spesifik (20 ℃) j/g. ℃ | 0.44 | 0.494 | 0.461 | 0,5 | 0,5 | |
Perpanjang kekuatan (20 ~ 1000 ℃) α*10-6 ℃ | 18 | 17 | 17.1 | 19 | 19 | |
Kekuatan tarik (kg/mm2) | > 85 | > 85 | > 85 | > 85 | > 85 | |
Bendinged Bending (F/R) | > 12 | > 12 | > 12 | > 12 | > 12 | |
Struktur mikro | Austenitic | Austenitic | Austenitic | Austenitic | Austenitic |
Diameter (mm) | Toleransi (mm) | Diameter (mm) | Toleransi (mm) |
0.03-0.05 | ± 0,005 | > 0,50-1,00 | ± 0,02 |
> 0,05-0,10 | ± 0,006 | > 1.00-3.00 | ± 0,03 |
> 0.10-0.20 | ± 0,008 | > 3.00-6.00 | ± 0,04 |
> 0,20-0,30 | ± 0,010 | > 6.00-8.00 | ± 0,05 |
> 0.30-0.50 | ± 0,015 | > 8.00-12.0 | ± 0,4 |
Ketebalan (mm) | Toleransi (mm) | Lebar (mm) | Toleransi (mm) |
0.05-0.10 | ± 0,010 | 5.00-10.0 | ± 0,2 |
> 0.10-0.20 | ± 0,015 | > 10.0-20.0 | ± 0,2 |
> 0.20-0.50 | ± 0,020 | > 20.0-30.0 | ± 0,2 |
> 0,50-1,00 | ± 0,030 | > 30.0-50.0 | ± 0,3 |
> 1.00-1.80 | ± 0,040 | > 50.0-90.0 | ± 0,3 |
> 1.80-2.50 | ± 0,050 | > 90.0-120.0 | ± 0,5 |
> 2.50-3.50 | ± 0,060 | > 120.0-250.0 | ± 0,6 |