Silicon Carbide Heating Elements with 1650°C Max Service Temp, Corrosion Resistant and Customized Sizes for Industrial Furnaces
Silicon Carbide (SiC) ceramic heating elements represent the pinnacle of non-metallic, high-temperature electric heating technology. Engineered from premium-grade green silicon carbide through advanced pressing, high-temperature siliconizing, and recrystallization processes, these elements outperform traditional metal heaters with superior oxidation resistance, corrosion resistance, and extended service life—making them the ideal heating solution for demanding industrial applications.
- Ultra-High Temperature Performance: Stable operation in environments up to 1650 °C (3000°F)
- Energy-Efficient Design: Patented cold-end manufacturing process ensures optimal heat zone resistance, reducing energy waste and preventing furnace body damage
- Long Service Life: Exceptional resistance to thermal shock, deformation, and chemical corrosion
- Easy Installation & Maintenance: Standardized designs simplify integration and replacement, minimizing downtime
- Versatile Application: Suitable for glass melting, ceramics sintering, powder metallurgy, magnetic materials processing, and mechanical heat treatment
We offer a comprehensive range of SiC heating element configurations to match your specific furnace design:
| Series Type | Description | Common Applications |
|---|---|---|
| Rod Type | Standard straight heating rods | General-purpose industrial furnaces |
| U-Type | Two-rod configuration with SiC bridge | Compact furnaces, lab kilns |
| W-Type (3-Phase) | Three-phase heating for balanced power | Large glass baths, industrial kilns |
| Solid Rod Type | Dense, high-load resistant rods | High-temperature sintering |
| Spiral Type | Enhanced surface area for radiant heat | Uniform heating applications |
| 5-Piece Type (Dual Hot Zone) | Multi-zone heating for precision control | Advanced thermal processing |
Standard Sizes Available: Diameters from 10mm to 54mm, including popular imperial sizes: 31.7mm (1.25"), 38.1mm (1.5"), and 44.4mm (1.75").
| Property | Specification | Test Standard |
|---|---|---|
| Specific Gravity | 2.6-2.8 g/cm³ | ASTM C20 |
| Hardness (Mohs) | >9 | ASTM C1327 |
| Porosity Rate | <30% | ASTM C373 |
| Bend Strength | >300 kg/cm² | ASTM C1161 |
| Tensile Strength | >150 kg/cm³ | ASTM C1273 |
| Radiancy (Emissivity) | 0.85 | ASTM E408 |
SiC heating elements exhibit unique resistance characteristics essential for effective thermal management:
- High Specific Resistance: 600-1400 Ω*mm²/m at 1050°C hot zone temperature
- Temperature-Resistance Curve:
- Negative temperature coefficient (NTC) from room temperature to 800 °C
- Positive temperature coefficient (PTC) above 800 °C
- Surface Load Optimization: Proper selection based on furnace structure ensures maximum element longevity
- Secure Packaging: Each element is individually wrapped in anti-static material and placed in reinforced cartons
- Global Logistics: We ship worldwide via air, sea, and express courier services
- Export Compliance: All shipments meet international standards for hazardous materials transport
- In-House R&D Team: Continuous product innovation and customization capabilities
- Advanced Production Line: State-of-the-art manufacturing with strict process control
- Quality Assurance: 100% pre-shipment inspection and batch traceability
Established in 2014 and headquartered in Henan, China, we serve clients across six continents with extensive experience in:
- South Asia (15%)
- South America (10%)
- Eastern Europe (10%)
- Eastern Asia (10%)
- Western Europe (10%)
- North America (9%)
- Middle East (9%)
- Southeast Asia (5%)
- Africa (5%)
- Silicon Carbide (SiC) Heating Elements
- Molybdenum Disilicide (MoSi₂) Heating Elements
- Molybdenum & Tungsten Alloys
- Industrial Furnaces & Laboratory Heating Equipment
- Flexible Payment Options: T/T, L/C, D/P, Credit Card, PayPal, Western Union
- Incoterms Support: FOB, CFR, CIF, EXW, DDP, and all major delivery terms
- Multilingual Support: English, Chinese, Spanish, Japanese, Portuguese, German, Arabic, French, Russian, Korean, Hindi, Italian
- Custom Solutions: Tailored designs for specific furnace requirements
Ready to enhance your furnace performance with premium SiC heating elements? Contact our engineering team today for:
- Custom design specifications
- Technical datasheets
- Competitive pricing
- Sample requests
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.