Firing Slide Gate Plate for Steel Industry

Application Industry: Refractories for Steel Industry

Application Equipment: Ladle Slide Gate System for Steel Tapping Control

Size: Custom firing slide gate plate geometry per ladle slide gate system design (free engineering on request)

Consultation：

Products Overview

Our Firing Slide Gate Plate is a high-performance refractory slide gate plate engineered for ladle slide gate system service. The product family is manufactured using high-speed mixing equipment, high-tonnage brick press molding, vacuum pressure oil impregnation, and integral firing process, featuring stable quality, low impurity content, high strength, anti-erosion, thermal shock stability, multi-slide capability, and proven performance for ladle sliding gate service. The product family is widely used as one of the most reliable ladle slide gate refractories for steelmaking steel grade control operations.

The Firing Slide Gate Plate product family is offered in six engineering-proven chemistry grades with two material systems. The CH-LT70 (Al₂O₃-C based) grade features Al₂O₃ content minimum 70% and C content minimum 4% for general ladle slide gate service. The CH-LT75 grade features Al₂O₃ content minimum 75% and C content minimum 4%. The CH-LT80 grade features Al₂O₃ content minimum 80% and C content minimum 2%. The CH-LT85 grade features Al₂O₃ content minimum 85% and C content minimum 2%. The CH-LGT70 (Al₂O₃-ZrO₂-C based) grade features Al₂O₃ content minimum 70%, C content minimum 4%, and ZrO₂ content minimum 4%. The CH-LGT75 grade features Al₂O₃ content minimum 75%, C content minimum 3%, and ZrO₂ content minimum 4%. The CH-LGT80 grade features Al₂O₃ content minimum 80%, C content minimum 3%, and ZrO₂ content minimum 4%. All six grades deliver Bulk Density minimum 2.85 to 3.10 g/cm³, Apparent Porosity maximum 10% to 12%, and Cold Crushing Strength minimum 80 to 120 MPa depending on grade.

Sourced from our Xinmi City, Zhengzhou, Henan, China facility, each Firing Slide Gate Plate 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 raw materials using high-speed mixing equipment and high-tonnage brick press molding
Engineering-proven vacuum pressure oil impregnation and integral firing for high temperature treatment
Stable quality, low impurity content, and high strength for ladle slide gate refractories service
High erosion resistance, good thermal shock stability, and multi-slide capability for ladle sliding gate service
Six LT and LGT chemistry grades covering Al₂O₃-C based and Al₂O₃-ZrO₂-C based formulas for matching different ladle steel grade service

Product Specification

Firing slide gate plate is engineered per buyer’s ladle slide gate system design. Custom chemistry and geometry available on request.

Brands Items	Al₂O₃-C based				Al₂O₃-ZrO₂-C based
Brands Items	CH-LT70	CH-LT75	CH-LT80	CH-LT85	CH-LGT70	CH-LGT75	CH-LGT80
Al₂O₃ content (%)	≥ 70	≥ 75	≥ 80	≥ 85	≥ 70	≥ 75	≥ 80
C content (%)	≥ 4	≥ 4	≥ 2	≥ 2	≥ 4	≥ 3	≥ 3
ZrO₂ content (%)	—	—	—	—	≥ 4	≥ 4	≥ 4
Bulk Density (g/cm³)	≥ 2.85	≥ 2.95	≥ 3.00	≥ 3.05	≥ 3.00	≥ 3.05	≥ 3.10
Apparent Porosity (%)	≤ 12	≤ 10	≤ 10	≤ 10	≤ 10	≤ 10	≤ 10
Cold Crushing Strength (MPa)	≥ 80	≥ 90	≥ 100	≥ 110	≥ 100	≥ 110	≥ 120

Note: Six performance parameters specified: Al₂O₃ content, C content, ZrO₂ content, Bulk Density, Apparent Porosity, and Cold Crushing Strength. Seven LT and LGT chemistry grades engineered for ladle slide gate system service in two material systems: Al₂O₃-C based and Al₂O₃-ZrO₂-C based. For project-specific chemistry and geometry, contact CH Refractories engineering.

Product Applications

Firing Slide Gate Plate is a high-performance refractory slide gate plate manufactured using high-speed mixing equipment, high-tonnage brick press molding, vacuum pressure oil impregnation, and integral firing process, engineered for ladle slide gate system service. The product family features stable quality, low impurity content, high strength, anti-erosion, thermal shock stability, multi-slide capability, and proven performance for ladle sliding gate service.

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

Target Equipment: Ladle Slide Gate System of small, medium-size, and large ladles in steelmaking operations.

Specific Application Zones: The CH-LT70 grade (Al₂O₃-C based, Al₂O₃ content minimum 70%, C content minimum 4%) is the standard variant for general ladle slide gate service. The CH-LT75 grade (Al₂O₃ content minimum 75%, C content minimum 4%) is the higher-alumina variant. The CH-LT80 grade (Al₂O₃ content minimum 80%, C content minimum 2%) is the high-alumina variant. The CH-LT85 grade (Al₂O₃ content minimum 85%, C content minimum 2%) is the highest-alumina variant. The CH-LGT70, CH-LGT75, and CH-LGT80 grades (Al₂O₃-ZrO₂-C based) are designed for higher temperature steel grade service with ZrO₂ content minimum 4% for enhanced thermal shock stability and corrosion resistance. All six grades deliver Bulk Density minimum 2.85 to 3.10 g/cm³, Apparent Porosity maximum 10% to 12%, and Cold Crushing Strength minimum 80 to 120 MPa depending on grade.

CH Refractories is a Firing Slide Gate Plate manufacturer in China, Henan, Zhengzhou. The complete Firing Slide Gate Plate 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 firing slide gate plate and what are the main applications?

A1: Firing Slide Gate Plate is a high-performance refractory slide gate plate engineered for ladle slide gate system service. The product family is manufactured using high-speed mixing equipment, high-tonnage brick press molding, vacuum pressure oil impregnation, and integral firing process. The product family features stable quality, low impurity content, high strength, anti-erosion, thermal shock stability, multi-slide capability, and proven performance. The product family can be designed as Al₂O₃-C based, Al₂O₃-ZrO₂-C based, or magnesium based formulas for matching different ladle steel grade requirements. The product family is widely used as ladle slide gate refractories for steelmaking steel grade control operations.

Q2: How many chemistry grades of firing slide gate plate does CH Refractories offer?

A2: CH Refractories offers six engineering-proven chemistry grades of Firing Slide Gate Plate with two material systems. The Al₂O₃-C based system includes CH-LT70, CH-LT75, CH-LT80, and CH-LT85 grades. The Al₂O₃-ZrO₂-C based system includes CH-LGT70, CH-LGT75, and CH-LGT80 grades. The CH-LT70 grade features Al₂O₃ content minimum 70% and C content minimum 4%. The CH-LT75 grade features Al₂O₃ content minimum 75% and C content minimum 4%. The CH-LT80 grade features Al₂O₃ content minimum 80% and C content minimum 2%. The CH-LT85 grade features Al₂O₃ content minimum 85% and C content minimum 2%. The CH-LGT70, CH-LGT75, and CH-LGT80 grades feature ZrO₂ content minimum 4%.

Q3: What are the key physical properties of firing slide gate plate?

A3: Firing Slide Gate Plate delivers Bulk Density minimum 2.85 to 3.10 g/cm³ depending on grade. Apparent Porosity reaches maximum 10% to 12% depending on grade, with the CH-LT70 grade achieving the maximum Apparent Porosity of 12%. Cold Crushing Strength is minimum 80 to 120 MPa depending on grade, with the CH-LGT80 grade achieving the highest Cold Crushing Strength of minimum 120 MPa. The product family features high strength, low impurity content, and excellent thermal shock stability for multi-slide capability in ladle sliding gate service.

Q4: Can the firing slide gate plate be customized to specific ladle slide gate designs?

A4: Yes. CH Refractories offers custom chemistry, geometry, and grade optimization against the buyer's specific ladle slide gate system design and steel tapping control conditions. CH Refractories engineers can adjust Al₂O₃ content, C content, ZrO₂ content, raw material formulation, and binder system to meet specific tapping temperature and erosion conditions. Please send the ladle drawing, slide gate system design, capacity, and tapping temperature data to our engineering team in Xinmi City, Zhengzhou, Henan, China for a free consultation, on-site technical support, and a tailored firing slide gate plate formulation proposal with optimized grade selection, raw material adjustment, and geometry design for your specific ladle slide gate refractories service conditions.