Feature: | Good Acid Resistance, High Refractoriness, Low Thermal Conductivity, Thermal Shock Resistance, Volume Stability, Long Time Materials |
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Production Process: | Vibration Molding |
Refractoriness (℃): | 1580< Refractoriness< 1770 |
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Silicon carbide pipes are also known as silicon ceramic pipes, which belong to the refractory pipe family.It is crystallized from silicon nitride and silicon carbide,which has good wear resistance, heat resistance, corrosion resistance and high temperature performance. Silicon carbide pipe is the ideal lining material of smelting steel industry, because it has the advantages of high temperature resistance, good slag erosion resistance, high strength and long service life.
Silicon carbide tubes are mainly used in medium frequency forging, various heat treatment electric furnaces, metallurgy, chemical industry, non-ferrous metal smelting and other industries. Widely used in metallurgical sintering furnace and intermediate frequency heating forging furnace. Length can be designed.
Properites | Units | Silicon carbide Material | ||||
Type | SiC | SiSiC | NSiC | RSiC | ||
Chemical composition | SiC% | 89 | 87 | 92 | 70 | 99 |
SiO2 % | 5 | 6 | - | Si3N4 28 | - | |
Al2O3% | 1.0 | 2.0 | - | - | - | |
Bulk Desity | g/cm3 | 2.85 | 2.8 | 3.01 | 2.8 | 2.75 |
Apparent porosity | % | 12 | 14 | 0.1 | 12 | 14 |
M.O.R.@20ºC | MPa | 50 | 48 | 260 | 180 | 100 |
M.O.R.@1300ºC | MPa | 58 | 56 | 280 | 185 | 120 |
C.T.E.@20ºC-1000ºC | 10-6K-1 | 4.8 | 4.2 | 4.5 | 4.7 | 4.6 |
C.C.S | MPa | 100 | 90 | 900 | 500 | 300 |
Thermal shock resistance | 1 | 5 | 5 | 5 | 5 | 5 |
Max working temperature | ºC | 1450 | 1420 | 1300 | 1500 | 1650 |
application | Used in ceramic shuttle kiln, tunnel kiln and roller kiln,Kiln furniture. |
Chemical Index | Silicon Carbide Pipe |
Bulk density(g/cm3) | Porosity (%) |
Porosity (%) | <0.1 |
Bending strength(MPa) | 250(20ºC) |
280(1200ºC) | |
Thermal conductivity(W/MK) | 45(1200ºC) |
Thermal expansion(20-1000ºC) 10-6k-1 | 4.5 |
Max. working temperature(ºC) | 1380 |
PH Resistance | EXCELLENT |
Moh's scale of thermal expansion | 13 |
OD(mm) | ID(mm) | Length(mm) |
16 | 8 | 300-600 |
22 | 12 | 300-800 |
28 | 16 | 300-1200 |
30 | 18 | 300-1000 |
45 | 25 | 300-1000 |
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