Pre-cast Shapes for Steel Industry
Application Industry: Refractories for Steel Industry
Application Equipment: Ladle Bottom and Sidewall Working Layer
Size: Custom precast block geometry per ladle working lining design (free engineering on request)
Products Overview
Our Pre-Cast Shapes for Working Layer is a high-performance precast refractory product engineered for ladle bottom and sidewall working layer service. The product family is manufactured from high-purity corundum, magnesium aluminate spinel, and fused MgO as the main raw materials, with superfine powder bonding technology and appropriate additives. The product family is pre-casted into desired shapes and featured with high strength, better corrosion and abrasion resistance, and thermal shock resistance, with stable quality for ladle working layer installation.
The Pre-Cast Shapes for Working Layer product family is offered in two engineering-proven GBY chemistry grades. The CH-GBY88 grade features Al2O3 content minimum 88% and MgO content 3%-10% for high-demand ladle bottom and sidewall working layer. The CH-GBY85 grade features Al2O3 content minimum 85% and MgO content 3%-10% for general ladle bottom and sidewall working layer. Both grades deliver Bulk Density minimum 3.00 to 3.05 g/cm³, Cold Crushing Strength minimum 40 MPa after 110 °C curing for 24 hours and minimum 65 MPa after 1550 °C firing for 3 hours, and Permanent Linear Change 0 to +1.0 percent after 1550 °C firing for 3 hours. The products are mainly used for bottom and sidewall lining of large-and medium-size ladles together with MgO-C brick for slag zone, especially for low and ultra-low carbon steel production.
Sourced from our Xinmi City, Zhengzhou, Henan, China facility, each Pre-Cast Shapes for Working Layer 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-purity corundum, magnesium aluminate spinel, and fused MgO as the main raw materials
- Engineering-proven superfine powder bonding technology with appropriate additives for precast block production
- High strength, better corrosion and abrasion resistance, and thermal shock resistance
- Pre-casted into desired shapes with stable quality for ladle working layer installation
- Two GBY chemistry grades covering Al2O3 content 85%-88% and MgO content 3%-10% for matching different ladle capacity
Product Specification
Pre-cast shapes for working layer are engineered per buyer’s ladle bottom and sidewall design. Custom chemistry and geometry available on request.
|
Brands
Items
|
CH-GBY88 | CH-GBY85 |
|---|---|---|
| Al2O3 content (%) | ≥ 88 | ≥ 85 |
| MgO content (%) | 3~10 | 3~10 |
| Bulk Density (g/cm³) | ≥ 3.05 | ≥ 3.00 |
| Cold Crushing Strength (MPa) | ≥ 40 (110 °C, 24h) |
≥ 40 (110 °C, 24h) |
| ≥ 65 (1550 °C, 3h) |
≥ 65 (1550 °C, 3h) |
|
| Permanent Linear Change (%) | 0~+1.0 (1550 °C, 3h) |
0~+1.0 (1550 °C, 3h) |
| Application | Bottom and sidewall of large-and medium-size ladle | |
Note: Six performance parameters specified: Al2O3 content, MgO content, Bulk Density, Cold Crushing Strength, Permanent Linear Change, and Application. Two GBY chemistry grades engineered for ladle bottom and sidewall working layer service. For project-specific chemistry and geometry, contact CH Refractories engineering.
Product Applications
Pre-Cast Shapes for Working Layer is a high-performance precast refractory product manufactured from high-purity corundum, magnesium aluminate spinel, and fused MgO as the main raw materials, with superfine powder bonding technology and appropriate additives, engineered for ladle bottom and sidewall working layer service. The product family is pre-casted into desired shapes and featured with high strength, better corrosion and abrasion resistance, and thermal shock resistance, with stable quality for ladle working layer installation. The products are mainly used for bottom and sidewall lining of large-and medium-size ladles together with MgO-C brick for slag zone, especially for low and ultra-low carbon steel production.
Application Industry: Refractories for the Steel Industry and the broader Metallurgical Industry.
Target Equipment: Ladle Bottom and Sidewall Working Layer of small, medium-size, and large ladles in steelmaking operations.
Specific Application Zones: The CH-GBY88 grade (Al2O3 content minimum 88% and MgO content 3%-10%) is the high-demand variant for ladle bottom and sidewall working layer service. The CH-GBY85 grade (Al2O3 content minimum 85% and MgO content 3%-10%) is the general variant for ladle bottom and sidewall working layer service. Both grades deliver Bulk Density minimum 3.00 to 3.05 g/cm³, Cold Crushing Strength minimum 40 MPa after 110 °C curing for 24 hours and minimum 65 MPa after 1550 °C firing for 3 hours, and Permanent Linear Change 0 to +1.0 percent after 1550 °C firing for 3 hours.
CH Refractories is a Pre-Cast Shapes for Working Layer manufacturer in China, Henan, Zhengzhou. The complete Pre-Cast Shapes for Working Layer 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.
