Steel / Foundry Furnace Solutions
We provide refractory bricks, insulation bricks, castables and ceramic fiber products for steelmaking, foundry and heat treatment furnace applications. Customized sizes and technical support are available.

Typical Furnace Types

Recommended Refractory Materials by Furnace Zone
|
Furnace Area |
Recommended Materials |
|
Working Layer |
High Alumina Brick |
|
High Temperature Zone |
Mullite Brick |
|
Repair Area |
Refractory Castable |
|
Insulation Layer |
Insulating Fire Brick |
|
Backup Insulation |
Ceramic Fiber Blanket |
Available Grades & Typical Properties
| Product |
Al₂O₃ (%) |
Service Temp |
|
SK34 High Alumina Brick |
48 |
1450℃ |
|
SK36 High Alumina Brick |
55 |
1500℃ |
|
Mullite Brick |
60-75 |
1550-1700℃ |
|
JM23 Insulating Brick |
42 |
1260℃ |
|
JM26 Insulating Brick |
48 |
1430℃ |
|
Low Cement Castable |
60-80 |
1450-1700℃ |
Why Choose Us
Factory Direct Supply:Competitive prices from a professional manufacturer.
Customized Sizes Available:OEM dimensions and special shapes supported.
Strict Quality Control:Inspection throughout the entire production process.
Stable Performance:Consistent quality and reliable service life.
Fast Delivery:Efficient production and global shipping experience.
Technical Support:Professional recommendations for different applications.

Production Process
Raw Material → Pressing → Drying → Tunnel Kiln Firing → Quality Inspection → Packing

FAQ
Q:What refractory materials are used in steel furnaces?
A:High alumina bricks, mullite bricks, castables and insulation materials are commonly used.
Q:Which materials are suitable for high-temperature zones?
A:High alumina bricks, mullite bricks and low cement castables are recommended.
Q:Can customized sizes be supplied?
A:Yes. Standard and custom sizes are available.
Q:Do you provide technical support?
A:Yes. We provide material selection and technical assistance.
Zhengzhou Zhongkeda Refractory Materials Co., Ltd