Silicon Carbide Square Beam
Reaction-sintered silicon carbide beams, suitable for load-bearing structures in tunnel kilns, shuttle kilns, and other industrial kilns.
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keyword： Silicon Carbide Square Beam
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Product Description
Reaction-sintered silicon carbide beams are suitable for load-bearing structures in tunnel kilns, shuttle kilns, and other industrial kilns. Reaction-sintered silicon carbide beams have high-temperature load-bearing capacity, do not bend or deform during long-term use, and have a long service life, making them ideal kiln furniture for industries such as sanitary ceramics and electrical ceramics. Reaction-sintered silicon carbide beams have good thermal conductivity, which can significantly save energy consumption without increasing the weight of the kiln car.
Physical and chemical indicators
| Project | Unit | Index |
| Maximum operating temperature | ℃ | 1380 |
| Density | g/cm3 | ≥3.02 |
| Porosity | % | <0.1 |
| Bending strength | Mpa | 250(20℃) |
| Mpa | 280(1200℃) | |
| Elastic modulus | Gpa | 330(20℃) |
| Gpa | 300(1200℃) | |
| Thermal conductivity coefficient | W/m.k | 45(1200℃) |
| Coefficient of thermal expansion | K-1x10-6 | 4.5 |
| Vickers hardness | HV2 | ≥2100 |
| Acid and alkali resistance | Excellent |
The bending strength of reaction-sintered silicon carbide square beams is calculated based on 250MP, taking a safety factor of 5, with a load-bearing length of 1 meter.
If the length of the product is L, the load-bearing capacity can be calculated using the following formula: concentrated load = surface value 1/L, uniformly distributed load = surface value * 1/L.
The applicable temperature for this load-bearing capacity is 1380℃
Square beam load-bearing capacity table
| Length (m) | Cross-sectional Size | Concentrated load capacity (kg) | Uniformly distributed load capacity (kg) | ||
| L | B | H | Delta | ||
| 1 | 30 | 40 | 6 | 130 | 260 |
| 1 | 40 | 40 | 6 | 165 | 330 |
| 1 | 40 | 50 | 6 | 235 | 470 |
| 1 | 50 | 70 | 7 | 526 | 1052 |
| 1 | 60 | 90 | 9 | 1059 | 2118 |
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