NI90Cr10, oo sidoo kale loo yaqaan Nichrome 90 ama NiCr 90/10, waa dahaar waxqabad sare leh oo bixiya iska caabin heer sare ah heerkulka sare iyo miridhka. Waxay leedahay meel dhalaalaysa oo ah qiyaastii 1400°C (2550°F) waxayna ilaalin kartaa xooggeeda iyo xasilloonideeda xitaa heerkulka ka sarreeya 1000°C (1832°F).
Dalooladan waxaa badanaa loo isticmaalaa codsiyada u baahan walxaha kululaynta, sida foornada warshadaha, foornooyinka, iyo qalabka kululaynta. Waxa kale oo loo isticmaalaa soo saarista kuleyliyeyaasha, kuwaas oo loo isticmaalo in lagu cabbiro heerkulka hababka kala duwan ee warshadaha.
NI90Cr10 wuxuu leeyahay iska caabin aad u fiican oo ku wajahan oksaydhka, taasoo ka dhigaysa mid si gaar ah waxtar ugu leh deegaannada heerkulka sare leh halkaas oo agabka kale si dhakhso ah u mirqin lahaayeen oo u burburi lahaayeen. Waxa kale oo uu leeyahay sifooyin farsamo oo wanaagsan, sida xoog sare oo la jiidi karo iyo is-waafajin wanaagsan, taas oo sahlaysa in la sameeyo oo la qaabeeyo.
Marka ay timaado tuubooyinka laga sameeyay dahaarkan, waxaa badanaa loo isticmaalaa codsiyada ay ka jiraan xaalado heerkul sare iyo daxal leh, sida warshadaha kiimikada, kiimikada batroolka, iyo korontada. Sifooyinka gaarka ah ee tuubada, sida cabbirkeeda, dhumucdeeda derbiga, iyo heerka cadaadiska, waxay ku xirnaan doontaa isticmaalka loogu talagalay iyo shuruudaha gaarka ah ee mashruuca.
| Waxqabadka\ agabka | Cr10Ni90 | Cr20Ni80 | Cr30Ni70 | Cr15Ni60 | Cr20Ni35 | Cr20Ni30 | |
| Halabuurka | Ni | 90 | Nasasho | Nasasho | 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 | Nasasho | Nasasho | Nasasho | ||
| Heerkulka ugu badan°C | 1300 | 1200 | 1250 | 1150 | 1100 | 1100 | |
| Barta dhalaalaysa ºC | 1400 | 1400 | 1380 | 1390 | 1390 | 1390 | |
| Cufnaanta g/cm3 | 8.7 | 8.4 | 8.1 | 8.2 | 7.9 | 7.9 | |
| Iska caabin heerkul ah 20ºC((μΩ·m) | 1.09±0.05 | 1.18±0.05 | 1.12±0.05 | 1.00±0.05 | 1.04±0.05 | ||
| Dheeraynta marka uu dillaaco | ≥20 | ≥20 | ≥20 | ≥20 | ≥20 | ≥20 | |
| Kulayl gaar ah J/g.ºC | 0.44 | 0.461 | 0.494 | 0.5 | 0.5 | ||
| Gudbinta kulaylka KJ/m.hºC | 60.3 | 45.2 | 45.2 | 43.8 | 43.8 | ||
| Ballaarinta khadadka isku-dhafka ah a × 10-6/ (20~1000ºC) | 18 | 17 | 17 | 19 | 19 | ||
| Qaab-dhismeedka Micrographic | Austenite | Austenite | Austenite | Austenite | Austenite | ||
| sifooyinka birlabta | Ma-magnet ahayn | Ma-magnet ahayn | Ma-magnet ahayn | Birlab daciif ah | Birlab daciif ah | ||
Tuubooyinka NI90Cr10 waxaa badanaa loo isticmaalaa codsiyada ay ka jiraan xaalado heerkul sare iyo daxaleed, sida warshadaha kiimikada, kiimikada batroolka, iyo korontada. Tuubooyinkan waxaa loo yaqaanaa iska caabbinta aadka u fiican ee oksaydhka iyo daxalka, taasoo ka dhigaysa kuwo ku habboon in loo isticmaalo deegaannada ay ku jiraan xalalka aashitada ama alkaline. Qaar ka mid ah codsiyada gaarka ah ee tuubooyinka NI90Cr10 waxaa ka mid ah:
Sifooyinka gaarka ah ee tuubooyinka NI90Cr10, sida cabbirkooda, dhumucda derbiga, iyo heerka cadaadiska, waxay ku xirnaan doontaa isticmaalka loogu talagalay iyo shuruudaha gaarka ah ee mashruuca. Tuubooyinka waxaa loo habeyn karaa si ay u daboolaan baahiyaha gaarka ah ee codsiga, sida heerkulka iyo heerarka cadaadiska loo baahan yahay, nooca dareeraha ama gaaska, iyo xaaladaha deegaanka. Guud ahaan, isku-darka gaarka ah ee iska caabbinta heerkulka sare, xoogga farsamada, iyo iska caabbinta daxalka ayaa ka dhigaya tuubooyinka NI90Cr10 inay yihiin walxo qiimo leh oo loogu talagalay codsiyo kala duwan oo waxqabad sare leh oo ku jira warshado kala duwan.
150 0000 2421