tanrong posted an update 6 days, 19 hours ago
silicon nitride riser tube uses: The aluminum liquid is lifted into the mold by pressure through a silicon nitride tube.
Parameters: pressure sintering silicon nitride
Si3N4 content: >92%
Flexural strength: >600Mpa
Compressive strength: >1500Mpa
Thermal conductivity (W/mk): 16-22
Thermal expansion coefficient (RT-1000 ° C): 3.2
Maximum working temperature (in air): 1400 ° C
Hardness (HRA): >92
Inner diameter: φ50~200mm.
Wall thickness: 10mm
We can produce according to your drawings.Silicon Nitride Ceramic