Shandong Luming New Materials Technology Co., Ltd. is one of the leading manufacturers and suppliers of steel casting brick in China. We have world-leading production equipment and strong manufacturing capabilities. Please feel free to buy premium steel casting brick at competitive price from our factory.
Multi-Material Steel casting bricks for All Casting Conditions
Steel casting bricks are key refractory components used in the steel casting system to convey molten steel. They feature excellent thermal shock resistance, erosion resistance and dimensional stability, widely used in ingot casting and continuous casting.
Technical data of runner brick:
|
Item |
Fire Clay Brick |
High Alumina Brick |
Mullite Brick |
Corundum Brick |
Magnesia Carbon Brick |
Silica Brick |
Zirconia Corundum Brick |
|
Al₂O₃: |
36%~44% |
55%~80% |
62%~70% |
≥90% |
/ |
/ |
50%~70% |
|
SiO₂: |
50%~62% |
15%~35% |
25%~35% |
/ |
/ |
≥93% |
/ |
|
MgO: |
/ |
/ |
/ |
/ |
≥85% |
/ |
/ |
|
C: |
/ |
/ |
/ |
/ |
5%~15% |
/ |
/ |
|
ZrO₂: |
/ |
/ |
/ |
/ |
/ |
/ |
20%~40% |
|
Fe₂O₃ |
≤2.5% |
≤2.0% |
≤1.8% |
≤0.5% |
≤1.0% |
≤1.0% |
≤1.0% |
|
Refractoriness (℃) |
≥1690 -1710 |
≥1710 |
1760-1780 |
≥1750 |
≥1700 |
≥1710 |
≥1750 |
|
Refractoriness Under Load(0.2MPa, ℃) |
≥1300 |
≥1400 |
≥1450 |
≥1500 |
≥1450 |
≥1600 |
≥1500 |
|
Bulk Density (g/cm³) |
2.1~2.3 |
2.3~2.6 |
2.4~2.6 |
≥2.8 |
2.7~2.9 |
2.2~2.35 |
2.9~3.2 |
|
Apparent Porosity (%) |
17~25 |
16~22 |
≤28 |
≤16 |
≤15 |
≤22 |
≤18 |
|
Cold Crushing Strength (MPa) |
≥20 -25 |
≥30 -40 |
≥50-70 |
≥60 |
≥30 |
≥25 |
≥50 |
|
Thermal Shock Resistance(1100℃ water cooling, cycles) |
≥15-20 |
≥15~20 |
≥20 |
≥20 |
≥15 |
≤10 |
≥20 |
|
Reheat linear Change (%) |
-0.3~+0.2 (1400℃×3h) |
-0.2~+0.2 (1450℃×3h) |
-0.1~+0.3 (1500℃×2h) |
-0.1~+0.1 (1550℃×3h) |
-0.2~+0.2 (1450℃×3h) |
+0.1~+0.5 (1400℃×3h) |
-0.1~+0.1 (1550℃×3h) |
|
Applicable steel grade / operating conditions |
Carbon steel, ingot casting |
High-quality carbon steel, continuous casting |
Medium-high carbon steel, continuous casting |
Stainless steel, special steel |
High basic slag, ladle |
Acid slag, special steel |
Ultra-clean steel, continuous casting |
Key Features of pouring refractory bricks:
High temperature resistance, High refractoriness ≥1700°C
Excellent resistance to molten steel erosion
Superior thermal shock resistance
Good scour resistance
Low apparent porosity
high bulk density
Custom shapes for optimized flow control
Usually rectangular hollow bricks with round or square inner channels, available in a variety of standard sizes.
Technical Advantages of refractory bricks for casting
Reduce turbulence and oxidation of molten steel
01
Improve cleanliness of molten steel
02
Extend the service life of refractory materials
03
Reduce maintenance work and downtime
04
Enhance casting stability
05
Customization Capabilities of casting-pit refractory
We provide:
Custom shapes and dimensions
Flow channel optimization design
Precast and monolithic solutions
Technical support & installation guidance
Smooth inner bore to reduce flow resistance of molten steel
Regular shape and high dimensional accuracy
Tight joints to prevent steel leakage
Packaging & Shipping:
Safe, Reliable, Customized Delivery
All Steel Casting Bricks are packaged to meet buyer requirements, national standards, and industry regulations, ensuring safe transport with minimal risk of damage.
Shaped Products: Stacked on sturdy pallets, wrapped with stretch film, and secured with plastic-steel straps.
Unshaped Materials: Packed in 25–50 kg bags, with bulk bags for added protection
Custom Solutions: Containers, wooden cases, metal boxes, or moisture-proof marine-grade packaging - tailored to your market and project needs
Why Choose Us:
Over 20 years of refractory manufacturing experience
Advanced production and quality control system
Strong R&D support and customized solutions
Proven performance in steel industry projects worldwide
Extend tundish service life by 20–40%
Reduce refractory consumption
Improve casting consistency
Get a Quote:
Looking for reliable Steel Casting Bricks for your steel plant?
Contact us today for custom solutions and competitive pricing.
Tel/WhatsApp: 0086-18905335290
Email: luming@lm-kiln.com
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