I-Ni70Cr30 yi-austenitic nickel-chromium alloy efanelekileyo kwizicelo zobushushu ukuya kwi-1250°C. Umxholo ophezulu we-chromium (i-30% kwi-avareji) inika ixesha elihle kakhulu lobomi, ngokukodwa kwizicelo zesithando somlilo. I-Ni70Cr30 ibonakaliswe ngokuxhathisa okuphezulu, ukuxhathisa okulungileyo kwe-oxidation, i-ductility efanelekileyo emva kokusetyenziswa kunye ne-weldability egqwesileyo.
I-Ni70Cr30 isetyenziselwa izinto zokufudumeza zombane kwiziko lamashishini. Usetyenziso oluqhelekileyo zezi: iziko zombane kunye ne-enamelling, izifudumezi zokugcina, iziko kunye neekilni ezinomoya oguqukayo.
Iipropati zoomatshini eziqhelekileyo(1.0mm)
Uluhlu lweNichrome
Izinto zokusebenza | Cr10Ni90 | Cr20Ni80 | Cr30Ni70 | Cr15Ni60 | Cr20Ni35 | Cr20Ni30 | |
Ukuqamba | Ni | 90 | Phumla | Phumla | 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 | Phumla | Phumla | Phumla | ||
Elona qondo lobushushu ºC | 1300 | 1200 | 1250 | 1150 | 1100 | 1100 | |
Indawo yokunyibilika ºC | 1400 | 1400 | 1380 | 1390 | 1390 | 1390 | |
Ubuninzi be-g/cm3 | 8.7 | 8.4 | 8.1 | 8.2 | 7.9 | 7.9 | |
Ukuxhathisa kwi-20ºC((μΩ·m) | 1.09±0.05 | 1.18±0.05 | 1.12±0.05 | 1.00±0.05 | 1.04±0.05 | ||
Ubude ekugqabhukeni | ≥20 | ≥20 | ≥20 | ≥20 | ≥20 | ≥20 | |
Ubushushu obuthile 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 yokwandiswa kwemigca a×10-6/ (20~1000ºC) | 18 | 17 | 17 | 19 | 19 | ||
Ubume beMicrographic | Austenite | Austenite | Austenite | Austenite | Austenite | ||
Iimpawu zemagneti | I-non-magnetic | I-non-magnetic | I-non-magnetic | Imagnethi ebuthathaka | Imagnethi ebuthathaka |
Iingcingo zokuxhathisa | ||
RW30 | W.Nr 1.4864 | Nickel 37%, Chrome 18%, Iron 45% |
RW41 | I-UNS N07041 | Nickel 50%, Chrome 19%, Cobalt 11%, Molybdenum 10%, Titanium 3% |
RW45 | W.Nr 2.0842 | I-Nickel 45%, ubhedu 55% |
RW60 | W.Nr 2.4867 | Nickel 60%, Chrome 16%, Iron 24% |
RW60 | UNS NO6004 | Nickel 60%, Chrome 16%, Iron 24% |
RW80 | W.Nr 2.4869 | Nickel 80%, Chrome 20% |
RW80 | UNS NO6003 | Nickel 80%, Chrome 20% |
RW125 | W.Nr 1.4725 | Intsimbi BAL, Chrome 19%, Aluminiyam 3% |
RW145 | W.Nr 1.4767 | Intsimbi BAL, Chrome 20%, Aluminiyam 5% |
RW155 | Intsimbi BAL, Chrome 27%, Aluminiyam 7%, Molybdenum 2% |