Industrial Brush
Civilian Brush
Brush Equipment
Brush Raw Materials
Decoration Materials
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Grade Performance |
Cr20Ni80 | Cr30Ni70 | Cr15Ni60 | Cr20Ni35 | Cr20Ni30 | |
Main chemical elements |
Ni | rest | rest | 55.0~61.0 | 34.0~37.0 | 30.0~34.0 |
Cr | 20.0~23.0 | 28.2~31.0 | 15.0~18.0 | 18.0~21.0 | 18.0~21.0 | |
Fe | ≤1.0 | ≤1.0 | rest | rest | rest | |
Using temperature (max) ºC |
1200 | 1250 | 1150 | 1100 | 1100 | |
Melding point ºC | 1400 | 1380 | 1390 | 1390 | 1390 | |
Density g/cm 3 | 8.40 | 8.10 | 8.20 | 7.90 | 7.90 | |
Resistivity μΩ@m, 20 ºC | 1.09±0.05 | 1.18±0.05 | 1.11±0.05 | 1.04±0.05 | 1.04±0.05 | |
Ductility% | ≥20 | ≥20 | ≥20 | ≥20 | ≥20 | |
Specific heat J/g.ºC | 0.440 | 0.461 | 0.494 | 0.500 | 0.500 | |
Thermal conductivity KJ/m.h ºC | 60.3 | 45.2 | 45.2 | 43.8 | 43.8 | |
Coefficient of linear expansion a×10 -6ºC (20~1000 ºC ) |
18.0 | 17.0 | 17.0 | 19.0 | 19.0 | |
Microstructure | austenite | austenite | austenite | austenite | austenite | |
Magnetism | non magnetic | non magnetic | non magnetic | trace | trace |