Byenveni nan sit entènèt nou an!
cr20ni30 fil elektrik rezistans pou recho elektrik bobin chofaj sezon prentan
chofaj cr20ni30 fil rezistans elektrik pou recho elektrik
Pwopriyete prensipal nan fil rezistans chofaj
| Kalite | Cr20Ni80 | Cr15Ni60 | Cr30Ni70 | Cr20Ni35 | Cr20Ni30 | |
| Konpozisyon chimik prensipal la | Ni | Repoze | 55.0 ~ 61.0 | Repoze | 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 | Repoze | ≤1 | Repoze | Repoze | |
| Tanperati maksimòm (℃) | 1200 | 1150 | 1250 | 1100 | 1100 | |
| Rezistans Koefisyan koreksyon Tanperati.(CT) | 1.09±0.05 | 1.11±0.05 | 1.18±0.05 | 1.04±0.05 | 1.06±0.05 | |
| Pwen fizyon (℃) | 1400 | 1390 | 1380 | 1390 | 1390 | |
| Rezistans ρ20℃ (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 rapid | 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 | |
| Plizyè fwa (F/R) | > 12 | > 12 | > 12 | > 12 | > 12 | |
| Mikwostrikti | Austenitic | Austenitic | Austenitic | Austenitic | Austenitic | |
| 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 |
Ekri mesaj ou la a epi voye l ba nou
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