Al2O3-SiC Castables for Iron Ladle

Q: Q1: What is Al2O3-SiC castables for iron ladle and what are the main applications?

A1: Al2O3-SiC Castables for Iron Ladle is a high-performance monolithic castable engineered for iron ladle lining service. The product family is manufactured from high-quality bauxite, fused corundum, and SiC as the main raw materials, bonded by sol. The product family features good installation properties, excellent slag erosion resistance, and thermal shock resistance, with stable quality and good performance. The product is widely used for common iron ladle and desulfurized hot iron ladle service in steelmaking operations.

Q: Q3: What are the test conditions for Al2O3-SiC castables for iron ladle?

A3: Al2O3-SiC Castables for Iron Ladle is tested at 110 C for 24 hours, 1000 C for 3 hours, and 1400 C for 3 hours for Cold Crushing Strength measurements. The product family achieves Cold Crushing Strength minimum 20 to 30 MPa after 110 C curing for 24 hours, minimum 30 to 40 MPa after 1000 C firing for 3 hours, and minimum 40 to 50 MPa after 1400 C firing for 3 hours depending on grade. Permanent Linear Change is 0.5 percent after 1400 C firing for 3 hours. Bulk Density reaches minimum 2.40 to 2.65 g/cm depending on grade.

Application Industry: Refractories for Steel Industry

Application Equipment: Iron Ladle Lining for Common and Desulfurized Hot Iron Ladle

Size: Pre-mixed monolithic castable with custom grain size (free engineering on request)

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Products Overview

Our Al₂O₃-SiC Castables for Iron Ladle is a high-performance monolithic castable engineered for iron ladle lining service. The product family is manufactured from high-quality bauxite, fused corundum, and SiC as the main raw materials, bonded by sol. The product family features good installation properties, excellent slag erosion resistance, and thermal shock resistance, with stable quality and good performance for iron ladle lining service.

The Al₂O₃-SiC Castables for Iron Ladle product family is offered in three engineering-proven ASCL chemistry grades. The CH-TBJ-L60 grade features Al₂O₃ content minimum 55% and SiC+C content minimum 8% for common iron ladle service. The CH-ASCL16 grade features Al₂O₃ content minimum 60% and SiC+C content minimum 8% for desulfurized hot iron ladle service. The CH-ASCL18A grade features Al₂O₃ content minimum 70% and SiC+C content minimum 8% for demanding desulfurized hot iron ladle service. All three grades deliver Bulk Density minimum 2.40 to 2.65 g/cm³, Cold Crushing Strength minimum 20 to 30 MPa after 110 °C curing for 24 hours, minimum 30 to 40 MPa after 1000 °C firing for 3 hours, and minimum 40 to 50 MPa after 1400 °C firing for 3 hours, with Permanent Linear Change ±0.5 percent after 1400 °C firing for 3 hours.

Sourced from our Xinmi City, Zhengzhou, Henan, China facility, each Al₂O₃-SiC Castables for Iron Ladle grade is engineered to ASTM, GB/T, and ISO refractory standards. For an overview of the broader catalogue, see the Refractories for the Steel Industry category, or contact our technical sales team for a free consultation against your refractory drawing.

Product Features

Features:

Manufactured from high-quality bauxite, fused corundum, and SiC as the main raw materials
Engineering-proven sol binding technology with good installation properties
Excellent slag erosion resistance and thermal shock resistance for iron ladle service
Stable quality with low cement or ultra-low cement formulation options
Three ASCL chemistry grades covering Al₂O₃ content 55%-70% and SiC+C content 8%+ for matching different iron ladle service

Product Specification

Al₂O₃-SiC castable is engineered per buyer’s iron ladle lining design. Custom chemistry and grain size available on request.

Brands Items	CH-TBJ-L60	CH-ASCL16	CH-ASCL18A
Al₂O₃ content (%)	≥ 55	≥ 60	≥ 70
SiC+C content (%)	≥ 8	≥ 8	≥ 8
Bulk Density (g/cm³)	≥ 2.4	≥ 2.50	≥ 2.65
Cold Crushing Strength (MPa)	≥ 20 (110 °C, 24h)	≥ 25 (110 °C, 24h)	≥ 30 (110 °C, 24h)
	≥ 30 (1000 °C, 3h)	≥ 35 (1000 °C, 3h)	≥ 40 (1000 °C, 3h)
	≥ 40 (1400 °C, 3h)	≥ 45 (1400 °C, 3h)	≥ 50 (1400 °C, 3h)
Permanent Linear Change (%)	±0.5 (1400 °C, 3h)	±0.5 (1400 °C, 3h)	±0.5 (1400 °C, 3h)
Application	common ladle		Desulfurized hot iron ladle

Note: Six performance parameters specified: Al₂O₃ content, SiC+C content, Bulk Density, Cold Crushing Strength, Permanent Linear Change, and Application. Three ASCL chemistry grades engineered for common iron ladle and desulfurized hot iron ladle service. For project-specific chemistry, contact CH Refractories engineering.

Product Applications

Al₂O₃-SiC Castables for Iron Ladle is a high-performance monolithic castable manufactured from high-quality bauxite, fused corundum, and SiC as the main raw materials, bonded by sol, engineered for iron ladle lining service. The product family features good installation properties, excellent slag erosion resistance, and thermal shock resistance, with stable quality and good performance for iron ladle lining service.

Application Industry: Refractories for the Steel Industry and the broader Metallurgical Industry.

Target Equipment: Iron Ladle Lining of small, medium-size, and large iron ladles in steelmaking operations.

Specific Application Zones: The CH-TBJ-L60 grade (Al₂O₃ content minimum 55%, SiC+C content minimum 8%) is the standard variant for common iron ladle service. The CH-ASCL16 grade (Al₂O₃ content minimum 60%, SiC+C content minimum 8%) is the mid-demand variant for desulfurized hot iron ladle service. The CH-ASCL18A grade (Al₂O₃ content minimum 70%, SiC+C content minimum 8%) is the demanding variant for desulfurized hot iron ladle service. All three grades deliver Bulk Density minimum 2.40 to 2.65 g/cm³, Cold Crushing Strength minimum 20 to 30 MPa after 110 °C curing for 24 hours, minimum 30 to 40 MPa after 1000 °C firing for 3 hours, and minimum 40 to 50 MPa after 1400 °C firing for 3 hours, with Permanent Linear Change ±0.5 percent after 1400 °C firing for 3 hours.

CH Refractories is an Al₂O₃-SiC Castables for Iron Ladle manufacturer in China, Henan, Zhengzhou. The complete Al₂O₃-SiC Castables for Iron Ladle product family is manufactured in our Xinmi City, Zhengzhou, Henan, China facility to ASTM, GB/T, and ISO refractory standards. Each batch is supported by free consultation, on-site technical support, and a dedicated engineering team serving Refractories for the Steel Industry customers across the global iron and steel value chain.

Product FAQ

Q1: What is Al₂O₃-SiC castables for iron ladle and what are the main applications?

A1: Al₂O₃-SiC Castables for Iron Ladle is a high-performance monolithic castable engineered for iron ladle lining service. The product family is manufactured from high-quality bauxite, fused corundum, and SiC as the main raw materials, bonded by sol. The product family features good installation properties, excellent slag erosion resistance, and thermal shock resistance, with stable quality and good performance. The product is widely used for common iron ladle and desulfurized hot iron ladle service in steelmaking operations.

Q2: How many chemistry grades of Al₂O₃-SiC castables for iron ladle does CH Refractories offer?

A2: CH Refractories offers three engineering-proven ASCL chemistry grades of Al₂O₃-SiC Castables for Iron Ladle. The CH-TBJ-L60 grade features Al₂O₃ content minimum 55% and SiC+C content minimum 8% for common iron ladle service. The CH-ASCL16 grade features Al₂O₃ content minimum 60% and SiC+C content minimum 8% for desulfurized hot iron ladle service. The CH-ASCL18A grade features Al₂O₃ content minimum 70% and SiC+C content minimum 8% for demanding desulfurized hot iron ladle service. All three grades deliver SiC+C content minimum 8% and Bulk Density minimum 2.40 to 2.65 g/cm³.

Q3: What are the test conditions for Al₂O₃-SiC castables for iron ladle?

A3: Al₂O₃-SiC Castables for Iron Ladle is tested at 110 °C for 24 hours, 1000 °C for 3 hours, and 1400 °C for 3 hours for Cold Crushing Strength measurements. The product family achieves Cold Crushing Strength minimum 20 to 30 MPa after 110 °C curing for 24 hours, minimum 30 to 40 MPa after 1000 °C firing for 3 hours, and minimum 40 to 50 MPa after 1400 °C firing for 3 hours depending on grade. Permanent Linear Change is ±0.5 percent after 1400 °C firing for 3 hours. Bulk Density reaches minimum 2.40 to 2.65 g/cm³ depending on grade.

Q4: Can the Al₂O₃-SiC castables for iron ladle be customized to specific iron ladle designs?

A4: Yes. CH Refractories offers custom chemistry, grain size, and installation procedure optimization against the buyer's specific iron ladle lining design and operating conditions. CH Refractories engineers can adjust Al₂O₃ content, SiC+C content, raw material formulation, and binding technology to meet specific desulfurization temperature and erosion conditions. Please send the iron ladle drawing, lining design, capacity, and operating temperature data to our engineering team in Xinmi City, Zhengzhou, Henan, China for a free consultation, on-site technical support, and a tailored Al₂O₃-SiC castable formulation proposal with optimized grade selection, raw material adjustment, and installation procedure for your specific iron ladle service conditions.