Pressureless Sintered SiC Heat Exchange Tubes with High-Temperature Resistance, Corrosion Resistance, and High Thermal Conductivity
Price:
Negotiable
MOQ:
Negotiable
Delivery Time:
Negotiable
Brand:
Kegu
Product Description
Pressureless Sintered SiC Heat Exchange Tubes
Our pressureless sintered silicon carbide (SSiC) heat exchange tubes are engineered for extreme industrial environments. Manufactured through automated extrusion and sintered at ultra-high temperatures (2100-2200°C), they deliver unmatched thermal performance, exceptional corrosion resistance, and long-term structural stability. As the core component in shell-and-tube heat exchangers, they are the superior choice for maximizing efficiency and minimizing downtime in the most demanding applications.
Key Material Properties & Performance Data
The following table details the superior physical and thermal properties of our SSiC material that guarantee reliable performance.
| Physical Properties | Unit | SSiC Value |
|---|---|---|
| Composition: SiC | Vol% | ≥ 98 |
| Density @ 20 ℃ | g/cm³ | ≥ 3.05 |
| Open Porosity | Vol% | ≈ 0 |
| Hardness (Vickers HV1) | kg/mm² | 2350 |
| Flexural Strength (20 °C) | MPa | 320 - 400 |
| Flexural Strength (1300 °C) | MPa | 300 - 400 |
| Coefficient of Thermal Expansion | 10⁻⁶/K | 4.0 |
| Thermal Conductivity @ 20 °C | W/(m*K) | 196 |
| Modulus of Elasticity @ RT | GPa | 410 |
| Max. Service Temperature (in air) | °C | 1650 |
Why Choose Our SiC Heat Exchange Tubes?
- Superior Corrosion Resistance: Withstands harsh acids, alkalis, and solvents, making it ideal for aggressive chemical processes where metals and alloys fail.
- Exceptional High-Temperature Stability: Maintains mechanical strength and integrity in continuous operation at temperatures up to 1650°C in air.
- High Thermal Conductivity: Excellent heat transfer (196 W/m*K at room temperature) ensures maximum efficiency in heating or cooling applications.
- Outstanding Thermal Shock Resistance: Withstands rapid temperature changes (>350 ΔT), preventing cracking and failure.
- Excellent Wear & Erosion Resistance: The extreme hardness (2350 HV) provides a long service life in applications with abrasive slurries or particulates.
- Fully Dense & Impermeable: Near-zero open porosity prevents gas or fluid permeation, ensuring product purity and structural reliability.
Standard Product Sizes
We offer a range of standard sizes for rapid delivery. All dimensions are customizable to your specifications.
| SN | Outer Diameter (OD) | Inner Diameter (ID) | Wall Thickness |
|---|---|---|---|
| 1 | 14 mm | 11 mm | 1.5 mm |
| 2 | 16 mm | 12 mm | 2.0 mm |
| 3 | 19 mm | 14.5 mm | 2.25 mm |
| 4 | 25 mm | 20 mm | 2.5 mm |
| 5 | 34 mm | 24 mm | 5.0 mm |
Customization & Engineering Services
We provide comprehensive customization to meet your exact system requirements:
- Custom Dimensions: Tubes can be produced in bespoke lengths, diameters, and wall thicknesses.
- Precision End Machining: Options include flanged, threaded, or ground ends for perfect sealing and integration.
- Advanced Drilling Services: Custom axial or radial hole patterns can be machined to meet specific flow distribution needs.
Industrial Applications
Our SiC tubes are critical components across multiple industries:
- Petrochemical: High-temperature cracking furnaces; Sulfuric acid concentration systems.
- Energy & Power: Waste heat recovery boilers; Advanced nuclear reactor cooling circuits.
- Environmental Engineering: Flue gas desulfurization (FGD) scrubbers; Hazardous waste incineration systems.
- Metallurgy: Heat recovery from non-ferrous metal smelting; Molten salt heat transfer systems.
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Shaanxi KeGu New Material Technology Co., Ltd
Location
5# Chaoyang Road,Weicheng Sub-district，Qinhan New City, Xixian New Area, Xi'an Shaanxi Province,China,712039
Contact Person
Yuki