Byenveni nan sit entènèt nou an!
CR20NI30 Fil rezistans elektrik pou recho elektrik chofaj sezon prentan bobin
Chofaj CR20NI30 Fil rezistans elektrik pou recho elektrik
Main pwopriyete nan fil rezistans chofaj
| Lèt | CR20NI80 | Cr15ni60 | CR30NI70 | CR20NI35 | CR20NI30 | |
| Main konpozisyon chimik | Ni | Repo | 55.0 ~ 61.0 | Repo | 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 | Repo | ≤1 | Repo | Repo | |
| Tanperati maksimòm (℃) | 1200 | 1150 | 1250 | 1100 | 1100 | |
| Koyefisyan koreksyon tanperati rezistans. (CT) | 1.09 ± 0.05 | 1.11 ± 0.05 | 1.18 ± 0.05 | 1.04 ± 0.05 | 1.06 ± 0.05 | |
| Pwen k ap fonn (℃) | 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 | ||||
| Valè lavi vit | Tem. (℃) | 1175 | 1100 | 1200 | 1050 | 1050 |
| èdtan (h) | ≥110 | ≥100 | ≥110 | ≥100 | ≥100 | |
| Gravite espesifik (g/cm3) | 8.4 | 8.2 | 8.1 | 7.9 | 7.9 | |
| Elongasyon (%) | ≥25 | ≥25 | ≥ 20 | ≥ 20 | ≥ 20 | |
| Tèmik (KJ/MH ℃) | 60.3 | 45.2 | 45.2 | 43.8 | 43.8 | |
| Chalè espesifik (20 ℃) J/g. ℃ | 0.44 | 0.494 | 0.461 | 0.5 | 0.5 | |
| Pwolonje fòs (20 ~ 1000 ℃) α*10-6 ℃ | 18 | 17 | 17.1 | 19 | 19 | |
| Fòs rupture (kg/mm2) | > 85 | > 85 | > 85 | > 85 | > 85 | |
| Repete koube (F/R) | > 12 | > 12 | > 12 | > 12 | > 12 | |
| Microstructure | Austenitik | Austenitik | Austenitik | Austenitik | Austenitik | |
| Dyamèt (mm) | Tolerans (mm) | Dyamèt (mm) | Tolerans (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 |
| Epesè (mm) | Tolerans (mm) | Lajè (mm) | Tolerans (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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