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The silicon carbide (SiC) heating element is a non-metallic high-temperature electric heating solution, crafted from carefully selected high-quality green silicon carbide as the primary material. This material is formed into blanks and subjected to high-temperature silicification and recrystallization.
The straight type SiC heating element, constructed from high-density, high-purity silicon carbide, stands out as a cost-effective and widely adopted heating option, delivering reliable performance in high-temperature and demanding environments.
Also known as ED type, Straight type, ROD type, RR type, or GD type, this versatile silicon carbide rod offers multiple configuration options.
| Parameter | Details |
| Material | Silicon Carbide (SiC) |
| Power Supply | Electric |
| Production Process | Crafted from premium silicon carbide blanks, enhanced through high-temperature siliconization recrystallization |
| Silicon Carbide Content | Above 99% |
| Diameter | 8-65 mm |
| Operating Temperature | Up to 1650°C |
| Voltage | 110-480V |
| Packaging | Inner cardboard box with foam padding, outer export wooden crate |
| Application | Industrial heaters/furnace heaters |
| After-sales Service | Overseas service centers available |
| Brand | Chuangwei |
When ordering a straight type silicon carbide heating element, please provide the following details:
OD: Outer Diameter
HZ: Length of Hot Zone
CZ: Length of Cold Zone
OL: Total Length
Ordering Example
Straight type SiC heating element (ED/Rod Shape): OD=54 mm, HZ=1575 mm, CZ=419 mm, OL=2413 mm, resistance=0.9 Ω.
Designated as: ED, 54/1575/2413/0.90
All load test values in this table are measured at an element temperature of 1000°C in open air conditions, intended solely for calibration testing purposes.
| OD Diameter (mm) | HZ Hot Zone (mm) | CZ Cold Zone (mm) | OL Total Length (mm) | Resistance (Ω) |
| 8 | 100-300 | 60-200 | 240-700 | 2.1-8.6 |
| 12 | 100-400 | 100-350 | 300-1100 | 0.8-5.8 |
| 14 | 100-500 | 150-350 | 400-1200 | 0.7-5.6 |
| 16 | 200-600 | 200-350 | 600-1300 | 0.7-4.4 |
| 18 | 200-800 | 200-400 | 600-1600 | 0.7-5.8 |
| 20 | 200-800 | 250-600 | 700-2000 | 0.6-6.0 |
| 25 | 200-1200 | 250-700 | 700-2600 | 0.4-5.0 |
| 30 | 300-2000 | 250-800 | 800-3600 | 0.4-4.0 |
| 35 | 400-2000 | 250-800 | 900-3600 | 0.5-3.6 |
| 40 | 500-2700 | 250-800 | 1000-4300 | 0.5-3.4 |
| 45 | 500-3000 | 250-750 | 1000-4500 | 0.3-3.0 |
| 50 | 600-2500 | 300-750 | 1200-4000 | 0.3-2.5 |
| 54 | 600-2500 | 300-750 | 1200-4000 | 0.3-3.0 |
Note: This table provides a partial overview of available specifications. For additional sizes or custom requirements, please get in touch with us, and we will tailor solutions to meet your needs.
Installation MethodThe ED-type silicon carbide heating element supports both vertical and horizontal installation. Thanks to its material’s ability to maintain rigidity even at the highest operating temperatures, no special support structures are required.
ApplicationsThis straight type silicon carbide rod is ideal for applications with temperature ranges from 600°C to 1650°C in air or controlled atmospheres, with the specific atmosphere influencing the recommended maximum element temperature.
It is commonly utilized in box furnaces, experimental furnaces, tunnel furnaces, muffle furnaces, and similar systems.
Key industries include ceramics, electronics, magnetic materials, powder metallurgy, rare earth phosphors, lithium battery materials, and precision casting.
Advantages of ED Type Silicon Carbide Heating ElementThe ED type silicon carbide heating element is a non-metallic silicon carbide product, produced through a unique high-temperature sintering process and recrystallized from high-purity silicon carbide. It offers the following key benefits:
lEqual-diameter silicon carbide rods exhibit high mechanical strength, with bending strength reaching 100-120 MPa.
lSurface temperature capability up to 1650°C.
lExceptional infrared emissivity, surpassing ordinary nichrome wire by 5-10 times for rods of the same diameter.
lExtended service life with straightforward installation and maintenance.
lRobust resistance to oxidation, corrosion, and excellent thermal shock resistance.
Beyond these advantages, the ED-type silicon carbide heating element boasts high mechanical strength, strong shock resistance, excellent chemical stability, and ease of installation, positioning it as a durable, eco-friendly, and high-performance solution.
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