Shaanxi KeGu New Material Technology Co., Ltd
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Manufactured through automated extrusion molding and sintered in vacuum high-temperature furnaces (2100-2200°C), our SiC heat exchange tubes deliver superior heat transfer efficiency – the optimal solution for Extreme Operating Conditions.
Pressureless sintered silicon carbide (SSiC) heat exchange tubes are mainly used as core heat transfer components in shell-and-tube heat exchangers, suitable for extreme industrial conditions.
1. Petrochemical: High-temperature cracking furnaces; Sulfuric acid concentration systems
2. Energy: Waste heat recovery boilers; Nuclear reactor cooling circuits
3. Environmental: Flue gas scrubbing systems; Hazardous waste treatment
4. Metallurgical: Non-ferrous metal smelting; Molten salt heat transfer
1. Exceptional High-Temperature Stability
2. Superior Corrosion Resistance
3. High Thermal Conductivity
4. Low Thermal Expansion
5. Excellent Wear Resistance
6. High Heat Transfer Efficiency
| Physical properties | Unit | SSiC | |
| Composition:SiC | Vol% | ≥98 | |
| Density 20 ℃ | g/cm3 | ≥3.05 | |
| Open Porosity | Vol% | ≈0 | |
| Hardness | Rockwell Hardness 45N | R45N | 93 |
| Vickers Hardness HV1 | kg/mm2 | 2350 | |
| Flexural Strength | 20°C | MPa | 320-400 |
| 1300°C | MPa | 300-400 | |
| Coficient of Thermal Expansion | 10-6K-1 | 4.0 | |
| hermal Conductivity | 20°C | Wm-1K-1 | 196 |
| 1200°C | Wm-1K-1 | 60 | |
| Modulus of Elasticity @ RT | GPa | 410 | |
| Thermal shock resistance | ℃ | ＞350 | |
| Max. Service Temp (air) | ℃ | 1650 | |
|
SN |
OD(mm) |
ID(mm) |
Thickness(mm) |
|
1 |
14 |
11 |
1.20 |
|
2 |
16 |
12 |
2.00 |
|
3 |
19 |
14.5 |
2.25 |
|
4 |
25 |
20 |
2.50 |
|
5 |
34 |
24 |
5.00 |
1. Dimensions & Specifications: Refer to the table below for common sizes. Custom specifications are available upon request.
Selected sizes can be provided with: End machining (flanged/threaded/ground)
2. Precision drilling (axial/radial patterns)