Ni70Cr30 jẹ́ alloy austenitic nickel-chromium tó dára fún lílo iwọ̀n otutu tó tó 1250°C. Oúnjẹ chromium tó ga (30% ní àròpín) máa ń fúnni ní àkókò tó dára, pàápàá jùlọ nínú lílo iná mànàmáná. Ni70Cr30 ní agbára gíga, agbára ìdènà oxidation tó dára, agbára ìdènà tó dára lẹ́yìn lílo àti agbára ìsopọ̀ tó dára.
A nlo Ni70Cr30 fun awọn eroja igbona ina ninu awọn ile ina ile-iṣẹ. Awọn ohun elo ti o wọpọ ni: awọn ile ina ina ati awọn ohun elo ina, awọn ohun elo ina ipamọ, awọn ile ina ati awọn ile ina pẹlu awọn afefe ti o yipada.
Àwọn ohun ìní ẹ̀rọ tó wọ́pọ̀ (1.0mm)
Ìlà Nichrome
| ohun elo iṣẹ\ | Cr10Ni90 | Cr20Ni80 | Cr30Ni70 | Cr15Ni60 | Cr20Ni35 | Cr20Ni30 | |
| Àkójọpọ̀ | Ni | 90 | Isinmi | Isinmi | 55.0~61.0 | 34.0~37.0 | 30.0~34.0 |
| Cr | 10 | 20.0~23.0 | 28.0~31.0 | 15.0~18.0 | 18.0~21.0 | 18.0~21.0 | |
| Fe | ≤1.0 | ≤1.0 | Isinmi | Isinmi | Isinmi | ||
| Iwọn otutu to pọ julọ°C | 1300 | 1200 | 1250 | 1150 | 1100 | 1100 | |
| Ojuami yo ºC | 1400 | 1400 | 1380 | 1390 | 1390 | 1390 | |
| Ìwọ̀n g/cm3 | 8.7 | 8.4 | 8.1 | 8.2 | 7.9 | 7.9 | |
| Agbara resistance ni 20ºC((μΩ·m) | 1.09±0.05 | 1.18±0.05 | 1.12±0.05 | 1.00±0.05 | 1.04±0.05 | ||
| Ifẹsẹgba ni fifọ | ≥20 | ≥20 | ≥20 | ≥20 | ≥20 | ≥20 | |
| Ooru pàtó kan J/g.ºC | 0.44 | 0.461 | 0.494 | 0.5 | 0.5 | ||
| Agbara itusilẹ ooru KJ/m.hºC | 60.3 | 45.2 | 45.2 | 43.8 | 43.8 | ||
| Isọdipọ ti imugboroosi awọn ila a×10-6/ (20~1000ºC) | 18 | 17 | 17 | 19 | 19 | ||
| Ìṣètò Micrographic | Austenite | Austenite | Austenite | Austenite | Austenite | ||
| Àwọn ohun ìní oofa | Kì í ṣe oofa | Kì í ṣe oofa | Kì í ṣe oofa | Oofa ti ko lagbara | Oofa ti ko lagbara | ||
| Àwọn Wáyà Ìdènà | ||
| RW30 | W.Nr 1.4864 | Nikẹli 37%, Chrome 18%, Irin 45% |
| RW41 | UNS N07041 | Nikẹli 50%, Chrome 19%, Kobalti 11%, Molybdenum 10%, Titanium 3% |
| RW45 | W.Nr 2.0842 | Nikẹli 45%, Ejò 55% |
| RW60 | W.Nr 2.4867 | Nikẹli 60%, Chrome 16%, Irin 24% |
| RW60 | UN NO6004 | Nikẹli 60%, Chrome 16%, Irin 24% |
| RW80 | W.Nr 2.4869 | Nikẹli 80%, Chrome 20% |
| RW80 | UN NO6003 | Nikẹli 80%, Chrome 20% |
| RW125 | W.Nr 1.4725 | Irin BAL, Chrome 19%, Aluminiomu 3% |
| RW145 | W.Nr 1.4767 | Irin BAL, Chrome 20%, Aluminiomu 5% |
| RW155 | Irin BAL, Chrome 27%, Aluminiomu 7%, Molybdenum 2% | |
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