I-Ni70Cr30 iyingxubevange ye-nickel-chromium ye-austenitic elungele ukusetshenziswa kwezinga lokushisa elifinyelela ku-1250°C. Okuqukethwe kwe-chromium ephezulu (30% ngokwesilinganiso) kunikeza isikhathi esihle kakhulu sokuphila, ikakhulukazi ezinhlelweni zokusebenza zesithando somlilo. I-Ni70Cr30 ibonakala ngokumelana okuphezulu, ukumelana okuhle kwe-oxidation, i-ductility enhle ngemva kokusetshenziswa kanye nokushisela okuhle kakhulu.
I-Ni70Cr30 isetshenziselwa ukushisisa izinto zikagesi ezithandweni zezimboni. Izinto ezisetshenziswayo ezijwayelekile yilezi: izithando zikagesi nezicwebezelayo, izifudumezi zokugcina izinto, iziko namahhanela anesimo sezulu esishintshayo.
Izakhiwo ezijwayelekile zikaMechanical(1.0mm)
I-Nichrome strip
Ukusebenza\ impahla | I-Cr10Ni90 | I-Cr20Ni80 | I-Cr30Ni70 | I-Cr15Ni60 | I-Cr20Ni35 | I-Cr20Ni30 | |
Ukwakheka | Ni | 90 | Phumula | Phumula | 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 | Phumula | Phumula | Phumula | ||
Izinga lokushisa eliphezuluºC | 1300 | 1200 | 1250 | 1150 | 1100 | 1100 | |
Iphoyinti lokuncibilika ºC | 1400 | 1400 | 1380 | 1390 | 1390 | 1390 | |
Ukuminyana g/cm3 | 8.7 | 8.4 | 8.1 | 8.2 | 7.9 | 7.9 | |
Ukumelana no-20ºC((μΩ·m) | 1.09±0.05 | 1.18±0.05 | 1.12±0.05 | 1.00±0.05 | 1.04±0.05 | ||
Ukwelula ekuqhekekeni | ≥20 | ≥20 | ≥20 | ≥20 | ≥20 | ≥20 | |
Ukushisa okuqondile J/g.ºC | 0.44 | 0.461 | 0.494 | 0.5 | 0.5 | ||
I-Thermal conductivity KJ/m.hºC | 60.3 | 45.2 | 45.2 | 43.8 | 43.8 | ||
I-coefficient yokunwetshwa kwemigqa a×10-6/ (20~1000ºC) | 18 | 17 | 17 | 19 | 19 | ||
Isakhiwo se-Micrographic | I-Austenite | I-Austenite | I-Austenite | I-Austenite | I-Austenite | ||
Izakhiwo kazibuthe | Okungewona uzibuthe | Okungewona uzibuthe | Okungewona uzibuthe | Uzibuthe obuthakathaka | Uzibuthe obuthakathaka |
Izintambo Zokuphikisa | ||
RW30 | I-W.Nr 1.4864 | I-Nickel 37%, i-Chrome 18%, i-Iron 45% |
RW41 | I-UNS N07041 | I-Nickel 50%, i-Chrome 19%, i-Cobalt 11%, i-Molybdenum 10%, i-Titanium 3% |
RW45 | I-W.Nr 2.0842 | I-Nickel 45%, ithusi 55% |
RW60 | I-W.Nr 2.4867 | I-Nickel 60%, i-Chrome 16%, i-Iron 24% |
RW60 | I-UNS NO6004 | I-Nickel 60%, i-Chrome 16%, i-Iron 24% |
RW80 | I-W.Nr 2.4869 | I-Nickel 80%, i-Chrome 20% |
RW80 | I-UNS NO6003 | I-Nickel 80%, i-Chrome 20% |
RW125 | I-W.Nr 1.4725 | I-Iron BAL, Chrome 19%, Aluminium 3% |
RW145 | I-W.Nr 1.4767 | I-Iron BAL, Chrome 20%, Aluminium 5% |
RW155 | I-Iron BAL, Chrome 27%, Aluminium 7%, Molybdenum 2% |