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Custom High-Strength SiC Square Beams | Kiln Support up to 1380°C
Get customized Reaction-Sintered Silicon Carbide (SiC) square beams for high-temperature kilns. With a 1380°C max temperature, high load capacity, and superior thermal shock resistance. Ideal for shuttle, tunnel & roller kilns. Request a quote for custom sizes.
Engineered for extreme environments, our Reaction-Sintered Silicon Carbide (SiC) square beams provide a robust, high-temperature structural solution for industrial kilns. Manufactured using advanced reaction sintering, these beams offer exceptional mechanical strength and thermal stability, making them the ideal replacement for heavier, less durable supports.
Key Features & Benefits
Extreme Temperature Resistance: Maintains structural integrity and load-bearing capacity in temperatures up to 1380°C
High Mechanical Strength: Superior flexural strength at both room and high temperatures, ensuring long-term reliability
Excellent Thermal Shock Resistance: Withstands rapid heating and cooling cycles without cracking
Lightweight & Energy Efficient: Reduces the thermal mass of the kiln structure, leading to faster cycle times and significant energy savings
Long Service Life: Outperforms traditional metal and ceramic supports, reducing downtime and maintenance costs
Customization Available: We provide tailored sizes and end-processing to fit your specific kiln geometry and requirements
Technical Data & Physical Properties
Property
Unit
Value (SSiC)
Density
g/cm³
≥ 3.0
Open Porosity
%
0.2
Vickers Hardness (HV1)
kg/mm²
≥ 2100
Flexural Strength (@20°C)
MPa
250
Flexural Strength (@1200°C)
MPa
280
Coefficient of Thermal Expansion
10⁻⁶/K
4.5
Thermal Conductivity (@1200°C)
W/(m*K)
45
Modulus of Elasticity
GPa
330
Max. Application Temperature
°C
1380
Load-Bearing Capacity for Kiln Design
Our beams are calculated with a bending strength of 250 MPa and a 5x safety factor for reliable operation. The table below shows the load capacity for a 1-meter span. For a beam of length L (meters), use the formulas provided.
Load Capacity Reference Table (for 1-meter span)
Cross-sectional Dimensions (mm)
Thickness (mm)
Concentrated Load (kg)
Uniformly Distributed Load (kg)
30 * 30
5
74
147
30 * 40
5
117
235
40 * 40
5
149
298
50 * 50
6
283
567
50 * 60
6
374
748
60 * 60
7
481
962
Calculation Method
For a beam of length L (m):
Max Concentrated Load = Table Value * L
Max Total Distributed Load = Table Value * L
Example: A 50*50mm beam, 2 meters long, can support a total distributed load of 567 kg * 2 = 1,134 kg.
Typical Applications
These SiC square beams are specifically designed as load-bearing components in:
Shuttle Kilns
Tunnel Kilns
Roller Hearth Kilns
Other high-temperature industrial furnace structures
