Aloyi wa Chromium wa nikeliWaya Wala Wala Wala wa Ni80cr20 Chinthu Chotenthetsera
Ni80Cr20 ndi aloyi ya nickel-chromium (NiCr alloy) Imatha kupanga zokutira zolimba zolumikizidwa bwino zomwe zimatha kugwira ntchito bwino kwambiri, kuyendetsa magetsi komanso kukana kutentha kwambiri mpaka madigiri 980 Celsius, ndipo imakhala ndi moyo wabwino kwambiri poyerekeza ndi aloyi a Iron chromium alumium. Imakhala ndi kutentha kwa exothermic ikagwiritsidwa ntchito.
Ntchito:
Ntchito zodziwika bwino za Ni80Cr20 ndi zamagetsichinthu chotenthetseraZipangizo zapakhomo, ng'anjo zamafakitale ndi zotsutsana nazo (zotsutsana ndi waya, zotsutsana ndi filimu yachitsulo), zitsulo zosalala, makina oikira, zotenthetsera madzi, ma die apulasitiki, zitsulo zosungunula, zinthu zozungulira zachitsulo ndi zinthu zozungulira. % ya kapangidwe kabwinobwino
| C | P | S | Mn | Si | Cr | Ni | Al | Fe | Zina |
| Max | |||||||||
| 0.03 | 0.02 | 0.015 | 0.60 | 0.75~1.60 | 20.0~23.0 | Mbala. | Kuchuluka kwa 0.50 | Kuchuluka kwa 1.0 | - |
Katundu wamba wa makina (1.0mm)
| Mphamvu yobereka | Kulimba kwamakokedwe | Kutalikitsa |
| Mpa | Mpa | % |
| 420 | 810 | 30 |
Kapangidwe ka thupi
| Kuchulukana (g/cm3) | 8.4 |
| Kukana kwa magetsi pa 20ºC(mm2/m2) | 1.09 |
| Kuchuluka kwa ma conductivity pa 20ºC (WmK) | 15 |
| Kuchuluka kwa kutentha koyenera | |
| Kutentha | Kuchuluka kwa Kutentha kwa Coefficient x10-6/ºC |
| 20 ºC- 1000ºC | 18 |
| Mphamvu yeniyeni ya kutentha | |
| Kutentha | 20ºC |
| J/gK | 0.46 |
| Malo osungunuka (ºC) | 1400 |
| Kutentha kopitilira muyeso mumlengalenga (ºC) | 1200 |
| Katundu wa maginito | chopanda maginito |
| Zinthu Zokhudza Kutentha kwa Magetsi | |||||
| 20ºC | 100ºC | 200ºC | 300ºC | 400ºC | 600ºC |
| 1 | 1.006 | 1.012 | 1.018 | 1.025 | 1.018 |
| 700ºC | 800ºC | 900ºC | 1000ºC | 1100ºC | 1300ºC |
| 1.01 | 1.008 | 1.01 | 1.014 | 1.021 | - |
Kalembedwe ka zinthu
| Dzina la Aloyi | Mtundu | Kukula | ||
| Ni80Cr20W | Waya | D=0.03mm~8mm | ||
| Ni80Cr20R | Riboni | W = 0.4 ~ 40 | T=0.03~2.9mm | |
| Ni80Cr20S | Mzere | W=8~250mm | T=0.1~3.0 | |
| Ni80Cr20F | Zojambulazo | W=6~120mm | T=0.003~0.1 | |
| Ni80Cr20B | Malo Odyera | Dia=8~100mm | L=50~1000 | |
150 0000 2421