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

A2: CH Refractories offers three engineering-proven HTJ chemistry grades of Al2O3-SiC Castable for Iron Mixer. The CH-HTJ-L70 grade features Al2O3 content minimum 70% and SiC content minimum 12% for working lining at side wall and bottom service. The CH-HTJ-L65 grade features Al2O3 content minimum 65% and SiC content minimum 12% for top and tapping hole service. The CH-HTJ-L55 grade features Al2O3 content minimum 55% and SiC content minimum 10% for top and tapping hole service. All three grades deliver SiC content minimum 10% to 12%.

Al2O3-SiC Castable for Iron Mixer

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

A1: Al2O3-SiC Castable for Iron Mixer is a high-performance monolithic castable engineered for iron mixer sidewall, bottom, top, and tapping hole lining service. The product family is manufactured from high-quality bauxite, tabular corundum, and SiC as the main raw materials, with low-cement or ultra-low cement castable technology. The product family features good installation integrity, good volume stability, excellent slag erosion resistance, and thermal shock resistance, with proven performance for iron mixer lining service.

Q: Q3: What are the test conditions for Al2O3-SiC castable for iron mixer?

A3: Al2O3-SiC Castable for Iron Mixer is tested at 110 C for 24 hours and 1400 C for 3 hours for Cold Crushing Strength measurements. The product family achieves Cold Crushing Strength minimum 25 to 40 MPa after 110 C curing for 24 hours and minimum 55 to 60 MPa after 1400 C firing for 3 hours depending on grade. Permanent Linear Change is 0.4 to 0.6 percent after 1400 C firing for 3 hours depending on grade. Bulk Density reaches minimum 2.40 to 2.60 g/cm depending on grade.

Application Industry: Refractories for Steel Industry

Application Equipment: Iron Mixer Sidewall, Bottom, Top, and Tapping Hole Lining

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

Consultation：

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Products Overview

Our Al₂O₃-SiC Castable for Iron Mixer is a high-performance monolithic castable engineered for iron mixer sidewall, bottom, top, and tapping hole lining service. The product family is manufactured from high-quality bauxite, tabular corundum, and SiC as the main raw materials, with low-cement or ultra-low cement castable technology. The product family features good installation integrity, good volume stability, excellent slag erosion resistance, and thermal shock resistance, with proven performance for iron mixer lining service.

The Al₂O₃-SiC Castable for Iron Mixer product family is offered in three engineering-proven HTJ chemistry grades. The CH-HTJ-L70 grade features Al₂O₃ content minimum 70% and SiC content minimum 12% for working lining at side wall and bottom service. The CH-HTJ-L65 grade features Al₂O₃ content minimum 65% and SiC content minimum 12% for top and tapping hole service. The CH-HTJ-L55 grade features Al₂O₃ content minimum 55% and SiC content minimum 10% for top and tapping hole service. All three grades deliver Bulk Density minimum 2.40 to 2.60 g/cm³, Cold Crushing Strength minimum 25 to 40 MPa after 110 °C curing for 24 hours and minimum 55 to 60 MPa after 1400 °C firing for 3 hours, with Permanent Linear Change ±0.4 to ±0.6 percent after 1400 °C firing for 3 hours.

Sourced from our Xinmi City, Zhengzhou, Henan, China facility, each Al₂O₃-SiC Castable for Iron Mixer 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, tabular corundum, and SiC as the main raw materials
Engineering-proven low-cement or ultra-low cement castable technology with good volume stability
Excellent slag erosion resistance and thermal shock resistance for iron mixer lining service
Good installation integrity with proven performance under iron mixer operating conditions
Three HTJ chemistry grades covering Al₂O₃ content 55%-70% and SiC content 10%-12% for matching different iron mixer service zones

Product Specification

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

Brands Items	CH-HTJ-L70	CH-HTJ-L65	CH-HTJ-L55
Al₂O₃ content (%)	≥ 70	≥ 65	≥ 55
SiC content (%)	≥ 12	≥ 12	≥ 10
Bulk Density (g/cm³)	≥ 2.6	≥ 2.50	≥ 2.4
Cold Crushing Strength (MPa)	≥ 30 (110 °C, 24h)	≥ 25 (110 °C, 24h)	≥ 40 (110 °C, 24h)
Cold Crushing Strength (MPa)	≥ 60 (1400 °C, 3h)	≥ 55 (1400 °C, 3h)	≥ 60 (1400 °C, 3h)
Permanent Linear Change (%)	±0.4 (1400 °C, 3h)	±0.5 (1400 °C, 3h)	±0.6 (1400 °C, 3h)
Application	Working lining at side wall and bottom		Top and tapping hole

Note: Seven performance parameters specified: Al₂O₃ content, SiC content, Bulk Density, Cold Crushing Strength, Permanent Linear Change, and Application. Three HTJ chemistry grades engineered for iron mixer working lining at side wall and bottom, top, and tapping hole service. For project-specific chemistry, contact CH Refractories engineering.

Product Applications

Al₂O₃-SiC Castable for Iron Mixer is a high-performance monolithic castable manufactured from high-quality bauxite, tabular corundum, and SiC as the main raw materials, with low-cement or ultra-low cement castable technology, engineered for iron mixer sidewall, bottom, top, and tapping hole lining service. The product family features good installation integrity, good volume stability, excellent slag erosion resistance, and thermal shock resistance, with proven performance for iron mixer lining service.

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

Target Equipment: Iron Mixer Sidewall, Bottom, Top, and Tapping Hole Lining of small, medium-size, and large iron mixers in steelmaking operations.

Specific Application Zones: The CH-HTJ-L70 grade (Al₂O₃ content minimum 70%, SiC content minimum 12%) is the high-alumina workhorse for working lining at side wall and bottom service. The CH-HTJ-L65 grade (Al₂O₃ content minimum 65%, SiC content minimum 12%) is the mid-alumina variant for top and tapping hole service. The CH-HTJ-L55 grade (Al₂O₃ content minimum 55%, SiC content minimum 10%) is the standard variant for top and tapping hole service. All three grades deliver Bulk Density minimum 2.40 to 2.60 g/cm³, Cold Crushing Strength minimum 25 to 40 MPa after 110 °C curing for 24 hours and minimum 55 to 60 MPa after 1400 °C firing for 3 hours, with Permanent Linear Change ±0.4 to ±0.6 percent after 1400 °C firing for 3 hours.

CH Refractories is an Al₂O₃-SiC Castable for Iron Mixer manufacturer in China, Henan, Zhengzhou. The complete Al₂O₃-SiC Castable for Iron Mixer 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 castable for iron mixer and what are the main applications?

A1: Al₂O₃-SiC Castable for Iron Mixer is a high-performance monolithic castable engineered for iron mixer sidewall, bottom, top, and tapping hole lining service. The product family is manufactured from high-quality bauxite, tabular corundum, and SiC as the main raw materials, with low-cement or ultra-low cement castable technology. The product family features good installation integrity, good volume stability, excellent slag erosion resistance, and thermal shock resistance, with proven performance for iron mixer lining service.

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

A2: CH Refractories offers three engineering-proven HTJ chemistry grades of Al₂O₃-SiC Castable for Iron Mixer. The CH-HTJ-L70 grade features Al₂O₃ content minimum 70% and SiC content minimum 12% for working lining at side wall and bottom service. The CH-HTJ-L65 grade features Al₂O₃ content minimum 65% and SiC content minimum 12% for top and tapping hole service. The CH-HTJ-L55 grade features Al₂O₃ content minimum 55% and SiC content minimum 10% for top and tapping hole service. All three grades deliver SiC content minimum 10% to 12%.

Q3: What are the test conditions for Al₂O₃-SiC castable for iron mixer?

A3: Al₂O₃-SiC Castable for Iron Mixer is tested at 110 °C for 24 hours and 1400 °C for 3 hours for Cold Crushing Strength measurements. The product family achieves Cold Crushing Strength minimum 25 to 40 MPa after 110 °C curing for 24 hours and minimum 55 to 60 MPa after 1400 °C firing for 3 hours depending on grade. Permanent Linear Change is ±0.4 to ±0.6 percent after 1400 °C firing for 3 hours depending on grade. Bulk Density reaches minimum 2.40 to 2.60 g/cm³ depending on grade.

Q4: Can the Al₂O₃-SiC castable for iron mixer be customized to specific iron mixer designs?

A4: Yes. CH Refractories offers custom chemistry, grain size, and installation procedure optimization against the buyer's specific iron mixer lining design and operating conditions. CH Refractories engineers can adjust Al₂O₃ content, SiC content, raw material formulation, and binding technology to meet specific thermal cycling and erosion conditions. Please send the iron mixer 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 mixer service conditions.