Ni90Cr10 NiCr 90/10 Nickel Chrome Alloy Waya Chromeel Alumel Thermocouple Ori Awọn ẹya ori
Waya alloy nickel Ni90Cr10 NiCr90/10 chrome alloy wayaWaya nichromeawọn ẹya ori thermocouple
olupese ile China nichrome 90 Ni90
Ni90Cr10 jẹ́ àdàpọ̀ nickel-chromium austenitic (NiCr alloy) tí a lè lò ní ìwọ̀n otútù tó 1200°C (2190°F). A ṣe àfihàn àdàpọ̀ náà pẹ̀lú agbára gíga, agbára ìfàsẹ́yìn oxidation tó dára àti ìdúróṣinṣin ìrísí tó dára gan-an. Ó ní agbára ìfàsẹ́yìn tó dára lẹ́yìn lílò àti agbára ìfọwọ́sowọ́pọ̀ tó dára.
A nlo Ni90Cr10 fun awọn eroja igbona ina ninu awọn ohun elo ile ati awọn ile ina ile-iṣẹ. Awọn ohun elo ti o wọpọ ni awọn irin alapin, awọn ẹrọ fifọ, awọn ohun elo gbigbona omi, awọn ohun elo imuda ṣiṣu, awọn irin soldering, awọn eroja tubular ti a fi awọ irin bo ati awọn eroja katiriji.
Nítorí àwọn ohun ìní ìsopọ̀mọ́ra tó dára gan-an ti oxide ojú ilẹ̀, Ni90C10 ń fúnni ní iṣẹ́ tó dára ju àwọn alloy nickel-chromium tó ń díje lọ.
| Ohun elo iṣẹ-ṣiṣe | Ni90Cr10 | Ni80Cr20 | Ni70Cr30 | Ni60Cr15 | Ni35Cr20 | Ni30Cr20 | |
| 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 | ||
iwọn:
OD: 0.3-8.0mm,
| 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% | |
A nlo CHROMEL vs ALUMEL ninu awọn afẹ́fẹ́ oxidizing, inert tabi gbẹ. Ifihan si vacuum ti a fi opin si fun awọn akoko kukuru. O gbọdọ wa ni aabo kuro ninu awọn afẹ́fẹ́ sulfurous ati awọn ti o ni oxidizing diẹ. O gbẹkẹle ati deede ni awọn iwọn otutu giga. Chromel: Chromel jẹ alloy ti a ṣe iṣiro 90% nickel ati 10% chromium. A nlo o lori ṣiṣe awọn conductors rere ti ANSI Type E ati Type K thermocouples, awọn ẹrọ fun wiwọn iwọn otutu ti o ni awọn conductors meji oriṣiriṣi.
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