The Precast Electric Furnace Roof is a high-performance refractory component specifically designed for electric furnaces. Manufactured using advanced precasting technology and premium refractory materials, it provides excellent thermal insulation, mechanical strength, and resistance to thermal shock. These precast roofs ensure reliable protection of the furnace structure, enhancing operational efficiency and extending furnace service life.
Technical Specifications
Parameter | Value | Unit |
---|---|---|
Material Composition | Castable-based or custom refractory | – |
Alumina Content (Al₂O₃) | 60% – 95% | % |
Maximum Service Temperature | 1600 – 1800 | °C |
Bulk Density | 2.2 – 2.8 | g/cm³ |
Cold Crushing Strength | 25 – 60 | MPa |
Thermal Conductivity | 1.5 – 2.3 | W/(m·K) |
Key Features
Superior Thermal Insulation: Minimizes heat loss and improves energy efficiency.
High Mechanical Strength: Durable under heavy loads and mechanical impacts during furnace operation.
Thermal Shock Resistance: Maintains stability during rapid temperature changes.
Precision Fabrication: Customizable sizes and shapes for an exact fit.
Corrosion and Abrasion Resistance: Resists chemical attack and slag corrosion for prolonged durability.
Easy Installation: Precast design reduces installation time and labor costs.
Typical Applications
Electric arc furnace roofs
Steel melting and refining furnaces
Other high-temperature industrial electric furnaces
Production Details
Our precast electric furnace roofs are manufactured under strict quality control using state-of-the-art molds and curing techniques. Each piece is carefully inspected to ensure dimensional accuracy and consistent refractory properties, guaranteeing dependable performance in demanding industrial settings.



Packing and Shipping Details
The products are securely packed using protective materials to prevent damage during transit. We offer customized packaging solutions and worldwide shipping to meet the diverse needs of our clients.



Frequently Asked Questions (FAQ)
Q1: Can the precast roof be customized?
Yes, we provide tailor-made sizes and designs according to customer requirements.
Q2: What is the typical delivery time?
Delivery usually takes 20 to 35 working days, depending on order size and customization.
Q3. Do you provide technical support for installation?
Yes, our technical team offers installation guidance and support upon request.