High - Temp Resistant & Corrosion - Proof Pressureless Sintered SiC
Heat Exchange Tube for Industrial Furnaces
Description:
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.
Typical application:
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.
Application Fields:
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
Feature:
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
The physical properties of pressureless sintered silicon carbide
ceramics products:
| 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 |
Available product sizes:
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 |
Customization Services:
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)
