Silicon Carbide Heating Elements with High-Temp Heating to 1600°C Superior Thermal Shock Resistance and Exceptional Power Density

Name: Silicon Carbide Heating Elements with High-Temp Heating to 1600u00b0C Superior Thermal Shock Resistance and Exceptional Power Density
Brand: Shaanxi KeGu New Material Technology Co., Ltd

Price Negotiable

Price: 200-500 yuan/kg

MOQ: Negotiable

Delivery Time: Negotiable

Brand: KEGU

Product Description

Silicon Carbide (SiC) Heating Elements | High-Temp Heating to 1600°C

High-performance silicon carbide heating elements for temperatures up to 1600°C. Superior thermal shock resistance & power density. Explore SW, U-Type, W-Type models for industrial furnaces.

Product Overview

Our Silicon Carbide (SiC) Heating Elements are engineered for extreme industrial heating applications. Capable of operating at temperatures up to 1600°C (2912°F), they deliver unmatched heat output, rapid thermal response, and long service life in both air and controlled atmospheres, making them a superior replacement for traditional metal alloy heaters.

Key Advantages of SiC Heating Elements

Exceptional Power Density: Generate 5 to 10 times more heat per unit surface area than standard Nichrome wire, enabling faster heat-up and higher operating temperatures.
Superior Mechanical Strength: Excellent resistance to thermal shock and physical deformation, ensuring reliability under rapid temperature cycling and demanding industrial conditions.
Clean & Quiet Operation: The heat source is entirely free of noise, emissions, and air pollution, making it ideal for sensitive processes like sintering, brazing, and crystal growth.

Product Types & Applications

1. SW Type (Standard Rod)

Applications: Universal heating element for a wide range of furnace types.
Features: Operating range from 600°C to 1400°C (up to 1600°C in suitable conditions). Can be installed both vertically and horizontally.
Ideal For: General high-temperature furnaces, research labs, and ceramic kilns.

2. U-Type (Hairpin Shape)

Applications: Compact furnaces where space is constrained.
Features: Consists of two identical SiC rods connected by a low-resistance SiC bridge, which can also serve as a mounting point. Provides a concentrated heat zone.
Ideal For: Tube furnaces, and processes requiring a localized high-temperature zone.

3. W-Type (3-Phase Configuration)

Applications: Large-scale industrial heating requiring high power input.
Features: A three-rod, one-side terminal design (SGC for vertical, SGD for horizontal installation) that connects directly to a three-phase power supply.
Ideal For: Float glass production, large batch sintering, and other heavy-duty industrial processes.

Technical Data & Properties

Property	Value
Specific Gravity	2.6 - 2.8 g/cm³
Bend Strength	> 300 MPa
Hardness	> 9 Mohs
Tensile Strength	> 150 kg/cm²
Porosity Rate	< 30%
Radiance	0.85

Operating Guidelines & Atmosphere Compatibility

The performance and lifespan of SiC elements are highly dependent on furnace temperature and atmosphere.

Atmosphere	Max Recommended Temp (°C)	Surface Load (W/cm²)	Potential Risk & Effect
Air / Oxygen	1600	15-25	Slow oxidation forms protective SiO₂ layer.
Hydrogen (H₂)	1290	10-15	Can produce methane, destroying the protective SiO₂ layer.
Nitrogen (N₂)	1370	10-15	Can form an insulating silicon nitride layer, increasing resistance.
Water Vapor	1090-1370	10-15	Reacts to form silicon hydrate, accelerating element degradation.
Chlorine / Halogen	704	15-25	Highly corrosive, rapidly destroys the SiO₂ layer and attacks SiC.

Critical Installation & Usage Notice

Storage: Keep elements dry and protected from moisture to prevent performance degradation.
Matching: For multi-element furnaces, sort and group elements so their resistance values are within a 10% tolerance to ensure even load distribution.
Handling: SiC is hard but brittle. Handle with care during installation and maintenance to avoid breakage.
Start-Up: Always use a controlled ramp-up voltage when starting a cold furnace. Avoid immediate full power to prevent excessive inrush current from damaging the elements.
Replacement: Replace damaged elements with new ones of similar resistance. If multiple elements have failed or their resistance has increased significantly, consider a full set replacement for balanced performance.