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Steel fiber refractory castable
- Al2O3: ≥65-80%
- SiO2: 5-10%
- Bulk Density (g/cm³): 2.5-2.9
- Cold Crushing Strength（MPa）: 70-90
- Max Service Temperature（℃）: 1500-1690
- Certification: ISO9001/ISO14001/ISO45001/ISO50001
- Samples: Provide you free samples for testing
China’s High-Quality Steel Fiber Refractory Castable Supplier
Optimize Your Industrial Furnace Efficiency with Premium Steel Fiber Castables
Why choose Jianhong Refractory?
If you’re in search of the finest Ceramic Fiber Tape for optimal solutions to serve your clients, look no further than Jian Hong Refractory. Our meticulous practices ensure the delivery of top-tier Ceramic Fiber Tape.
Low MOQ
Jian Hong Refractory offers flexible production, accommodating orders from 1 to 10,0000 units on demand.
Fast delivery
Our mature production line facilitates 24/7 operations, enabling rapid turnaround and prompt delivery.
Competitive Price
We guarantee the most competitive prices while maintaining the highest quality standards compared to other suppliers.
Expert Production
Equipped with three modern production lines, our facilities ensure consistent quality and timely delivery, setting us apart from others in the industry.
Satisfaction Assurance
With a focus on refractory product quality and clear communication, we ensure that every step is streamlined for the ease and satisfaction of our clients.
Comprehensive Product Range
Beyond high alumina bricks, our portfolio includes castables, insulation bricks, ceramic fiber products, and refractory raw materials, providing a one-stop solution unlike competitors with limited ranges.
1 Refractory Raw Materials
2 Crushing and Grinding
3 Screening and Mixing
4 Formulation and Batching
5 Molding and Shaping
6 Drying
7 Pre-Firing Inspection
8 Firing in Kiln
9 Firing Completed
10 Final Quality Inspection
11 Packaging
12 Transport and Delivery
The Ultimate Buyer’s Guide: How to Purchase Steel Fiber Refractory Castable
Are you in the market for Steel Fiber Refractory Castable ? Look no further.
This all-inclusive buyer’s guide provides you with crucial insights into Steel Fiber Refractory Castable, which find applications in metallurgical industry, power industry, ceramic industry, chemical industry and other heat treatment high temperature industries. Whether you’re contemplating importing them for your projects or planning local distribution, this guide furnishes invaluable information to guide your decision-making process.
Table of contents
Chapter 1
What is Steel Fiber Refractory Castable?
Understand the Essential Refractory Solution to Enhance Furnace Longevity
Steel Fiber Refractory Castable is a high-performance composite material crafted from refractory aggregates, specialized binders, and evenly distributed steel fibers. It’s engineered to withstand extreme temperatures (up to 1600℃) while the steel fibers reinforce its structure, preventing cracking and boosting durability in industrial high-heat environments.
Chapter 2
Features of Steel Fiber Refractory Castable
Explore Outstanding Advantages for Optimal Performance
- Superior Thermal Shock Resistance
Withstands rapid temp swings (1000℃+/hr) without cracking, critical for cyclic heating processes. - Enhanced Mechanical Strength
Steel fibers boost tensile strength by 30%, preventing structural failure under heavy loads. - Excellent Workability
Easily mixed/poured, adapting to complex shapes like furnace linings or reactor walls. - Strong Corrosion Resistance
Resists molten slags, acids, and gases, ideal for harsh chemical/metallurgical environments. - Long Service Life
Outlasts traditional castables by 50% in continuous 1200℃+ operations, cutting replacement costs. - Low Thermal Conductivity
Reduces heat loss by 25%, improving energy efficiency in high-temperature equipment.
Chapter 3
Specifications of Our Steel Fiber Refractory Castable
| Steel Fiber Castable | SF-80 | SF-70 | SF-65 | |
|---|---|---|---|---|
| Al2O3 (%) | ≥80 | ≥70 | ≥65 | |
| Modulus of Rupture at Room Temperatures/MPa | 110℃×24h After drying | ≥12.0 | ≥10.0 | ≥9.0 |
| 1100℃×3h After drying | ≥12.0 | ≥10.0 | ≥6.5 | |
| Compressive Strength at Room Temperatures/MPa | 110℃×24h After drying | ≥90 | ≥80 | ≥70 |
| 1100℃×3h After drying | ≥90 | ≥80 | ≥50 | |
| Modulus of Rupture after 5 cycles of rapid cooling and heating in water at 1100 ℃ to room temperature/MPa | ≥5.5 | ≥5.0 | ≥5.0 | |
| Permanent Linear Change on Heating/% | 1100℃×3h After sintering | ±0.5 | ±0.5 | ±0.5 |
Chapter 4
Application of Steel Fiber Refractory Castable
Where Precision Sealing Meets High-Temp Performance
1. Steel Industry Applications
- Electric Arc Furnaces (EAFs): Proven durability in furnace roofs, providing robust structural integrity under extreme temperatures.
- Ladle Linings: Enhances refractory linings’ lifespan, significantly reducing maintenance downtime and operational costs.
2. Metallurgical Furnace Applications
- Blast Furnace Troughs: Exceptional abrasion resistance, safeguarding furnace trough integrity during molten metal transfer.
- Torpedo Ladle Linings: Maintains high mechanical strength at high temperatures, improving productivity and reducing refractory repairs.
3. Cement Industry Applications
- Kiln Burner Nozzle: Offers superior thermal stability to withstand harsh conditions, reducing frequent replacements.
- Cooler Zones: Reliable resistance to thermal cycling ensures uninterrupted operations and less downtime.
4. Petrochemical Industry Applications
- Catalytic Crackers: High-performance lining protects units from chemical corrosion, maintaining consistent operations.
- Thermal Reactors: Withstands severe thermal cycling and corrosion, ensuring prolonged refractory life and efficiency.
Chapter 5
Quality Assurance for Steel Fiber Refractory Castable
Henan Jianhong Refractory strictly adheres to ISO 9001 quality standards, utilizing advanced testing equipment for comprehensive inspections. Every batch of our Steel Fiber Refractory Castable undergoes rigorous testing, ensuring it meets global quality benchmarks and your exacting requirements for reliability, durability, and performance.
The key quality tests typically include:
| Inspection Items | Test Standards/References | Testing Methods | Technical Indicators/Acceptance Criteria |
|---|---|---|---|
| 1. Physical Properties | |||
| - Density | ASTM C1029, ISO 10630 | Gravimetric method | Meets specified density range (e.g., 128-220 kg/m³) |
| - Tensile Strength | ASTM C1185, ISO 12680 | Universal testing machine | ≥ [Specified value] (e.g., 0.25 MPa) |
| - Thermal Conductivity | ASTM C1114, ISO 8302 | Hot plate method / guarded hot plate | ≤ [Specified value] (e.g., 0.09 W/m·K at 500°C) |
| - Flexibility & Brittleness | Internal standard / visual inspection | Bend test / impact resistance test | No cracking or fragmentation under specified bending radius |
| 2. Chemical Properties | |||
| - Loss on Ignition (LOI) | ASTM C838, ISO 3251 | High-temperature furnace heating | ≤ [Specified value] (e.g., 5% at 1000°C for 2h) |
| - Chemical Composition | XRF analysis, ASTM C1285 | X-ray fluorescence spectroscopy | Main components (e.g., SiO₂, Al₂O₃) within specified ranges; impurities ≤ limit |
| - Acid/Alkali Resistance | Immersion test (ASTM C267) | Immersion in standard acid/alkali solutions | No significant degradation or property change |
| 3. Thermal Properties | |||
| - Maximum Service Temperature | ASTM C1029, ISO 19289 | Furnace endurance test | No melting, shrinkage ≤ 5%, or property loss at specified temperature |
| - Thermal Stability | Cyclic heating-cooling test | Repeated heating to max service temperature | Mass loss ≤ 3%, dimensional change ≤ 2% after cycles |
| 4. Dimensional Accuracy | |||
| - Dimensions (Length/Width/Thickness) | GB/T 3003, ISO 6965 | Vernier caliper, ruler | Within ±[Specified tolerance] (e.g., ±1mm for thickness) |
| - Flatness/Warpage | Straightedge test | Visual inspection with straightedge | Warpage ≤ [Specified value] (e.g., 5mm/m²) |
| 5. Appearance Quality | Internal visual inspection standard | Visual check, surface scanning | No visible defects (cracks, holes, impurities, delamination, uneven color) |
| 6. Packaging & Marking | Customer-specific requirements | Visual inspection, documentation check | Packaging intact, labels clear (product name, batch number, specifications, origin, handling warnings) |
Through this meticulous testing process, we ensure that our Refractory Castable products meet the highest standards of quality, reliability, and performance, making them ideal for various applications in various industries.
Chapter 6
Chapter 7
In Summary
Henan Jianhong Refractory Materials Co., Ltd. has over 20 years of industry experience supplying top-tier refractory materials globally. Recognized for exceptional quality, competitive pricing, and tailored solutions, Jianhong is your trusted partner in sourcing premium Steel Fiber Refractory Castables from China. Our commitment to quality, reliability, and timely delivery makes us your first choice for refractory solutions.
Ready to elevate your operations?
Contact Henan Jianhong Refractory Materials today—let us be your reliable source for durable, high-performance refractory solutions.
