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- haqida umumiy ma'lumot
- Shu Mahsulotlar
Nikel-xromli sim, chiziq, bar va sim elektr isitish elementlari va umumiy qarshilik elementlarini ishlab chiqarish uchun javob beradi, ko'pincha sanoat elektr pechlarida va turli xil issiqlik bilan ishlov berish uskunalarida qo'llaniladi va elektron, elektr, elektr uchun qarshilik materiallari sifatida ham foydalanish mumkin. va boshqa tarmoqlar.
Nikel-xrom simining asosiy texnik ko'rsatkichlari:
| brendi | Cr20Ni80 | Cr30Ni70 | Cr15Ni60 | Cr20Ni35 | Cr20Ni30 | |
| mulk | ||||||
| Asosiy kimyoviy tarkibi% | Ni | chet | chet | 55-61 | 32-36 | |
| Cr | 20.0 ~ 23.0 | 28-31 | 15-18 | 18-21 | 18-21 | |
| Fe | ≤1.0 | |||||
| Komponentning maksimal ish harorati℃ | 1200 | 1250 | 1150 | 1050 | 1050 | |
| Eritish nuqtasi ℃ | 1400 | 1400 | 1400 | 1400 | 1400 | |
| zichligig/sm3 | 8.40 | 8.1 | 8.2 | 7.9 | 7.9 | |
| Elektr qarshiligiμΩ·m，20℃ | 1.09 ± 0.05 | 1.18 ± 0.05 | 1.12 ± 0.05 | 1.04 ± 0.05 | 1.04 ± 0.05 | |
| Uzayish darajasi% | ≥20 | ≥20 | ≥20 | ≥20 | ≥20 | |
| Maxsus issiqlik J/g.℃ | 0.440 | 0.44 | 0.44 | 0.44 | 0.44 | |
| Issiqlik o'tkazuvchanligi KJ/mh℃ | 60.3 | 45.2 | 45.2 | 43.8 | 43.8 | |
| mikrostruktura × 10-6/℃（20～1000℃） | 18.0 | 17.0 | 17.0 | 19.0 | 19.0 | |
| mikroyapı | ostenit | |||||
| magnitlanishi | magnit bo'lmagan | |||||
Yumshoq simning qarshiligi:
| Qotishma darajasi | diametri, mm | Elektr qarshiligiμΩ·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 |
Chiziq qarshiligi:
| Qotishma darajasi | diametri, mm | Elektr qarshiligiμΩ·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 |
