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Help CenterHigh Purity Thermocouple Protection Silicon Nitride Pipes in Industrial Furnace
Related Products
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High Purity Silicon Nitride Thermocouple Protection Tubes in Industrial FurnaceUS$ 10 - 50MOQ: 3 Pieces -
SiC Silicon Carbide Combined Silicon Nitride Protection TubeUS$ 10 - 50MOQ: 3 Pieces
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Refractory Silicon Nitride Si3N4 Combined SiC PlateUS$ 10 - 50MOQ: 3 Pieces
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High Quality Refractory Silicon Nitride Si3N4 PlateUS$ 10 - 50MOQ: 3 Pieces
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High Quality 12mm Silicon Nitride PlateUS$ 10 - 50MOQ: 3 Pieces
silicon nitride pipes Si3N4 pipes
Silicon Nitride (Si3N4) bonded silicon carbide (SiC) material is a new type of advanced refractory materials. Compared with silicon carbide product, the product has characteristics of small thermal expansion, high thermal conductivity, not easy to have thermal stress, good thermal shock resistance, corrosion resistance, extreme cold or heat, oxidation, high temperature creep resistant ability and easily made into products with high dimensional accuracy requirements in line. Silicon nitride combined silicon carbide products have very high strength for normal atmospheric temperature, and it remains almost the same time with the strength and hardness at high temperature 1200-1400C. with the difference of using atmosphere, the maximum safe operating temperature could reach 1650-1750C.
Item |
|
Index |
Chemical composition |
SiC |
≥72% |
Si3N4 |
≥21% |
|
Fe2O3 |
≥0.5 |
|
Bulk density |
g/cm3 |
2.65-2.7 g/cm3 |
Porosity |
|
≤18% |
Bending strength |
normal atmospheric temperature |
≥42 MPa |
1400°C |
≥45 MPa |
|
Tolerance |
0-100 |
+/-1.0 mm |
101-300 |
+/-1.5 mm |
|
301-500 |
+/-2.0 mm |
|
Surface irregularity |
|
≤0.2% |
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