Ni90Cr10 NiCr 90/10 Nickel Chrome Alloy wire chromel Alumel Thermocouple Head Parts
Ni90Cr10 NiCr90/10 nickel chrome alloy wayanichrome wayathermocouple ori awọn ẹya ara
china olupese nichrome 90 Ni90
Ni90Cr10 jẹ austenitic nickel-chromium alloy (NiCr alloy) fun lilo ni awọn iwọn otutu to 1200°C (2190°F).Awọn alloy jẹ ijuwe nipasẹ resistivity giga, resistance ifoyina ti o dara ati iduroṣinṣin fọọmu ti o dara pupọ.O ni o ni ti o dara ductility lẹhin lilo ati ki o tayọ weldability.
Ni90Cr10 ni a lo fun awọn eroja alapapo ina ni awọn ohun elo ile ati awọn ileru ile-iṣẹ.Awọn ohun elo ti o wọpọ jẹ awọn irin alapin, awọn ẹrọ ironing, awọn igbona omi, ṣiṣu ṣiṣu ku, awọn irin tita, awọn eroja tubular sheathed irin ati awọn eroja katiriji.
Nitori awọn ohun-ini ifaramọ ti o dara pupọ ti ohun elo afẹfẹ dada, Ni90C10 nfunni ni igbesi aye iṣẹ ti o ga julọ ni akawe si ifigagbaga nickel-chromium alloys.
| Ohun elo iṣẹ | Ni90K10 | Ni80Cr20 | Ni70Kr30 | Ni60K15 | Ni35Cr20 | Ni30Cr20 | |
| Tiwqn | Ni | 90 | Sinmi | Sinmi | 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 | Sinmi | Sinmi | Sinmi | ||
| Iwọn otutu ti o pọjuºC | 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 | |
| Resistivity ni 20ºC((μΩ·m) | 1.09 ± 0.05 | 1.18 ± 0.05 | 1.12 ± 0.05 | 1.00 ± 0.05 | 1.04 ± 0.05 | ||
| Elongation ni rupture | ≥20 | ≥20 | ≥20 | ≥20 | ≥20 | ≥20 | |
| Ooru pato J/g.ºC | 0.44 | 0.461 | 0.494 | 0.5 | 0.5 | ||
| Gbona elekitiriki KJ/m.hºC | 60.3 | 45.2 | 45.2 | 43.8 | 43.8 | ||
| olùsọdipúpọ ti awọn ila imugboroosi ×10-6/ (20 ~ 1000ºC) | 18 | 17 | 17 | 19 | 19 | ||
| Micrographic be | Austenite | Austenite | Austenite | Austenite | Austenite | ||
| Awọn ohun-ini oofa | Ti kii ṣe oofa | Ti kii ṣe oofa | Ti kii ṣe oofa | Oofa ti ko lagbara | Oofa ti ko lagbara | ||
iwọn:
OD: 0.3-8.0mm,
| Resistance Wires | ||
| RW30 | W.Nr 1.4864 | Nickel 37%, Chrome 18%, irin 45% |
| RW41 | UNS N07041 | Nickel 50%, Chrome 19%, Cobalt 11%, Molybdenum 10%, Titanium 3% |
| RW45 | W.Nr 2.0842 | Nickel 45%, Ejò 55% |
| RW60 | W.Nr 2.4867 | Nickel 60%, Chrome 16%, Irin 24% |
| RW60 | UNS NO6004 | Nickel 60%, Chrome 16%, Irin 24% |
| RW80 | W.Nr 2.4869 | Nickel 80%, Chrome 20% |
| RW80 | UNS NO6003 | Nickel 80%, Chrome 20% |
| RW125 | W.Nr 1.4725 | Iron BAL, Chrome 19%, Aluminiomu 3% |
| RW145 | W.Nr 1.4767 | Iron BAL, Chrome 20%, Aluminiomu 5% |
| RW155 | Iron BAL, Chrome 27%, Aluminiomu 7%, Molybdenum 2% | |
CHROMEL vs ALUMEL ni a lo ninu oxidizing, inert tabi gbígbẹ idinku awọn bugbamu.Ifihan si igbale ni opin si awọn akoko kukuru.Gbọdọ ni aabo lati imi-ọjọ ati awọn oju-aye oxidizing kekere.Gbẹkẹle ati deede ni awọn iwọn otutu giga.Chromel: Chromel jẹ alloy ti ifoju 90% nickel ati 10% chromium.O ti lo lori iṣelọpọ ti awọn oludari rere ti ANSI Iru E ati Iru K thermocouples, awọn ẹrọ fun wiwọn iwọn otutu ti o ni awọn oludari oriṣiriṣi meji.
