High-Performance Aluminum-Carbon Tundish Downspout with Superior Thermal Shock Resistance
Professional-grade refractory solutions engineered for steel continuous casting applications with exceptional thermal stability and erosion resistance
Product Overview
Our aluminum-carbon tundish downspouts are manufactured using premium plate corundum, scale graphite, antioxidant compounds, and phenolic resin binders, delivering exceptional performance in demanding steel continuous casting environments.
Superior Thermal Shock Stability
Engineered to withstand extreme temperature variations exceeding 200°C/min, ensuring reliable performance during rapid heating and cooling cycles in continuous casting operations.
Exceptional Scouring Resistance
Advanced aluminum-carbon matrix provides outstanding resistance to molten steel flow erosion, maintaining structural integrity throughout extended casting sequences.
Chemical Erosion Resistance
Optimised composition offers superior resistance to slag corrosion and chemical attack from FeO-CaO systems, extending service life and reducing maintenance costs.
Fracture Prevention Technology
Proprietary material formulation and processing techniques significantly reduce thermal stress cracking and mechanical failure risks during operation.
Technical Specifications
Our aluminum-carbon tundish downspouts are available in four performance grades (HXXK-65 to HXXK-80), each engineered to meet specific operational requirements and temperature conditions in steel continuous casting applications.
| Technical Parameter | Aluminum Carbon Performance Grades | |||
|---|---|---|---|---|
| HXXK-65 | HXXK-70 | HXXK-75 | HXXK-80 | |
| Al₂O₃ Content, % (≥) | 65 | 70 | 75 | 80 |
| Carbon Content, % (≥) | 3.0 | 3.0 | 3.0 | 3.0 |
| Bulk Density (BD), g/cm³ (≥) | 2.70 | 2.70 | 2.80 | 2.90 |
| Apparent Porosity (AP), % (≤) | 14.0 | 14.0 | 10.0 | 10.0 |
Testing Standards Compliance
All products tested according to ASTM C20, ASTM C133, and ISO 5017 international standards, ensuring consistent quality and performance verification.
Quality Assurance
Comprehensive quality control including chemical analysis, physical property testing, and thermal performance evaluation for every production batch.
Industrial Applications
Steel Continuous Casting
Primary application in tundish systems for controlling molten steel flow from ladle to casting moulds, ensuring consistent casting speed and quality.
Multi-Strand Casting Operations
Optimised for multi-strand continuous casting systems requiring precise flow distribution and thermal management across multiple casting lines.
High-Grade Steel Production
Specifically engineered for premium steel grades requiring ultra-clean casting conditions and minimal inclusion contamination.
Long Sequence Casting
Extended service life capabilities support long casting sequences, reducing downtime and improving overall production efficiency.
Temperature-Critical Applications
Superior thermal stability makes them ideal for high-temperature casting operations exceeding 1600°C with minimal heat loss.
Speciality Steel Applications
Compatible with stainless steel, tool steel, and other speciality alloy casting operations requiring exceptional chemical resistance.
