Ni70Cr30 dia firaka nikela-chromium austenitic mety amin'ny fampiharana hafanana hatramin'ny 1250 ° C. Ny votoatin'ny chromium avo (30% amin'ny salan'isa) dia manome fotoana tena tsara, indrindra amin'ny fampiharana amin'ny lafaoro. Ni70Cr30 dia miavaka amin'ny resistivity avo, tsara oxidation fanoherana, ductility tsara aorian'ny fampiasana sy weldability tsara.
Ni70Cr30 dia ampiasaina amin'ny singa fanafanana herinaratra amin'ny lafaoro indostrialy. Ny fampiharana mahazatra dia: lafaoro elektrika sy enamelling, fanafanana fitehirizana, lafaoro ary lafaoro misy atmosfera miova.
Toetra mekanika mahazatra (1.0mm)
Nichrome strip
Performance\ material | Cr10Ni90 | Cr20Ni80 | Cr30Ni70 | Cr15Ni60 | Cr20Ni35 | Cr20Ni30 | |
fifehezan | Ni | 90 | HAFA | HAFA | 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 | HAFA | HAFA | HAFA | ||
Temperature ambony indrindraºC | 1300 | 1200 | 1250 | 1150 | 1100 | 1100 | |
Teboka mandrehitra ºC | 1400 | 1400 | 1380 | 1390 | 1390 | 1390 | |
Haavo g/cm3 | 8.7 | 8.4 | 8.1 | 8.2 | 7.9 | 7.9 | |
Resistivity amin'ny 20ºC((μΩ·m) | 1.09±0.05 | 1.18±0.05 | 1.12±0.05 | 1.00±0.05 | 1,04±0,05 | ||
Elongation amin'ny rupture | ≥20 | ≥20 | ≥20 | ≥20 | ≥20 | ≥20 | |
hafanana manokana J/g.ºC | 0.44 | 0.461 | 0.494 | 0.5 | 0.5 | ||
Conductivity mafana KJ/m.hºC | 60.3 | 45.2 | 45.2 | 43.8 | 43.8 | ||
Coefficient ny fanitarana tsipika a×10-6/ (20~1000ºC) | 18 | 17 | 17 | 19 | 19 | ||
Firafitra mikrografika | Austenite | Austenite | Austenite | Austenite | Austenite | ||
Toetra andriamby | Tsy andriamby | Tsy andriamby | Tsy andriamby | Magnetika malemy | Magnetika malemy |
Wires fanoherana | ||
RW30 | W.Nr 1.4864 | Nikela 37%, Chrome 18%, vy 45% |
RW41 | Sary N07041 | Nikela 50%, Chrome 19%, Cobalt 11%, Molybdène 10%, Titanium 3% |
RW45 | W.Nr 2.0842 | Nikela 45%, Varahina 55% |
RW60 | W.Nr 2.4867 | Nikela 60%, Chrome 16%, vy 24% |
RW60 | UNS NO6004 | Nikela 60%, Chrome 16%, vy 24% |
RW80 | W.Nr 2.4869 | Nikela 80%, Chrome 20% |
RW80 | UNS NO6003 | Nikela 80%, Chrome 20% |
RW125 | W.Nr 1.4725 | Iron BAL, Chrome 19%, Aluminum 3% |
RW145 | W.Nr 1.4767 | Iron BAL, Chrome 20%, Aluminum 5% |
RW155 | Iron BAL, Chrome 27%, Aluminum 7%, Molybdène 2% |