Product Description
Silicon Nitride Degassing rotor is designed for excellent performance including easily replaceable and repairable separated shaft and impeller, good washing resistance of molten aluminum, high oxidation resistance, high-speed and efficient dispersal and removal of hydrogen and other unwanted particles, long service time.
Physical and chemical index
Types | GPSN | RSSN |
Density | >3.2g/cm3 | >2.4g/cm3 |
Si3N4 content | >92% | >92% |
Flexural strength | >600Mpa | >200Mpa |
Compressive strength | >1500Mpa | |
Thermal conductivity(W/mk) | 16-22 | 14 |
Porosity | 0 | <15% |
Thermal expansion coeff.(RT-1000℃) | 3.2 | 2.8 |
Max temperature In air | 1400℃ | 1150℃ |
Hardness(HRA) | >92 | >85 |
Features
1, Moulding: Cold isostatic pressing(CIP)
2, Sintering: GPSN
3, High strength &good compactness
4, Low thermal expansion coefficient
5, Excellent thermal shock resistance
6, No wetting by molten aluminum and other non-ferrous molten metal
7, Good corrosion resistance
Common size:
Impeller diameter: φ200mm.
Shaft length: 500~1000mm.
We can also prodcue other sizes according to your drawing.
