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- Pangkalahatang-ideya
- Kaugnay na Mga Produkto
Ang nickel-chromium wire, strip, bar at wire ay angkop para sa produksyon ng mga electric heating elements at general resistance elements, kadalasang ginagamit sa pang-industriyang electric furnaces at iba't ibang heat treatment equipment, at maaari ding gamitin bilang resistance materials para sa electronic, electrical, electrical. at iba pang industriya.
Nickel-chromium wire pangunahing teknikal na mga parameter ng pagganap:
| sunog | Cr20Ni80 | Cr30Ni70 | Cr15Ni60 | Cr20Ni35 | Cr20Ni30 | |
| ari-arian | ||||||
| Pangunahing kemikal na komposisyon% | Ni | puwang sa paligid | puwang sa paligid | 55-61 | 32-36 | |
| Cr | 20.0 23.0 ~ | 28-31 | 15-18 | 18-21 | 18-21 | |
| Fe | ≤1.0 | |||||
| Pinakamataas na temperatura ng pagpapatakbo ng bahagi ℃ | 1200 | 1250 | 1150 | 1050 | 1050 | |
| Fusing point ℃ | 1400 | 1400 | 1400 | 1400 | 1400 | |
| densityg/cm3 | 8.40 | 8.1 | 8.2 | 7.9 | 7.9 | |
| Electrical resistivityμΩ·m，20℃ | 1.09 0.05 ± | 1.18 0.05 ± | 1.12 0.05 ± | 1.04 0.05 ± | 1.04 0.05 ± | |
| Rate ng pagpahaba% | ≥ 20 | ≥ 20 | ≥ 20 | ≥ 20 | ≥ 20 | |
| Tukoy na initJ/g.℃ | 0.440 | 0.44 | 0.44 | 0.44 | 0.44 | |
| Thermal conductivityKJ/mh ℃ | 60.3 | 45.2 | 45.2 | 43.8 | 43.8 | |
| microstructurea×10-6/℃（20～1000℃） | 18.0 | 17.0 | 17.0 | 19.0 | 19.0 | |
| microstructure | austenite | |||||
| pang-akit | nonmagnetic | |||||
Soft wire resistivity:
| Grado ng haluang metal | diameter, mm | Electrical resistivityμΩ·m(20℃) |
| Cr20Ni80 | ＜0.500.50～3.00＞3.00 | 1.09±0.051.13±0.051.14±0.05 |
| Cr30Ni70 | ＜0.50≥0.50 | 1.18±0.051.20±0.05 |
| Cr15Ni60 | ＜0.50≥0.50 | 1.12±0.051.15±0.05 |
| Cr20Ni35 | Cr20Ni30 ＜0.50≥0.50 | 1.04±0.051.06±0.05 |
Strip resistivity:
| Grado ng haluang metal | diameter, mm | Electrical resistivityμΩ·m(20℃) |
| Cr20Ni80 | ≤0.80＞0.80～3.00＞3.00 | 1.09±0.051.13±0.051.14±0.05 |
| Cr30Ni70 | ≤0.80＞0.80～3.00＞3.00 | 1.18±0.051.19±0.051.20±0.05 |
| Cr15Ni60 | ≤0.80＞0.80～3.00＞3.00 | 1.11±0.051.14±0.051.15±0.05 |
| Cr20Ni35Cr20Ni30 | ＜0.80≥0.80 | 1.04±0.051.06±0.05 |
