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CR20NI30 Kawat Rintangan Elektrik untuk Gegelung Pemanasan Spring Elektrik Elektrik
Pemanasan CR20NI30 Kawat rintangan elektrik untuk dapur elektrik
Harta utama wayar rintangan pemanasan
| Jenis | CR20NI80 | CR15NI60 | CR30NI70 | CR20NI35 | CR20NI30 | |
| Komposisi kimia utama | Ni | Rehat | 55.0 ~ 61.0 | Rehat | 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 | Rehat | ≤1 | Rehat | Rehat | |
| Suhu maksimal (℃) | 1200 | 1150 | 1250 | 1100 | 1100 | |
| Pekali pembetulan suhu rintangan. (CT) | 1.09 ± 0.05 | 1.11 ± 0.05 | 1.18 ± 0.05 | 1.04 ± 0.05 | 1.06 ± 0.05 | |
| Titik lebur (℃) | 1400 | 1390 | 1380 | 1390 | 1390 | |
| Resistivityρ20 ℃ (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 | |
| Graviti 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 | |
| Haba spesifik (20 ℃) j/g. ℃ | 0.44 | 0.494 | 0.461 | 0.5 | 0.5 | |
| Melanjutkan kekuatan (20 ~ 1000 ℃) α*10-6 ℃ | 18 | 17 | 17.1 | 19 | 19 | |
| Kekuatan tegangan (kg/mm2) | > 85 | > 85 | > 85 | > 85 | > 85 | |
| Berulang kali membongkok (f/r) | > 12 | > 12 | > 12 | > 12 | > 12 | |
| Mikrostruktur | 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 |
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