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Ingot steel casting runner brick refers to cărămizi refractare built in the trench of the bottom plate for ingots to connect the steel bricks and the steel ingot mold. They are commonly known as soup road bricks. According to the material classification, runner brick can be divided into high alumina and clay. Fluid steel bricks need high fire resistance, good cracking resistance, and strong erosion resistance. The shape is regular, the channel is smooth, and the dimensions are accurate.

Technical indicators of ingot steel casting bricks

Modle/itemFire-clayAlumină ridicatăandalusite
FC-36FC-40HL-48HL-55HL-65HL-70
Al2O3 %>36>40>48>55>65>70>57
Fe2O3 %<2.0<1.8<2.0<2.0<2.0<1.5<2.0
Alkalinity %<1.8<1.8<1.8<1.8<1.8<1.8/
Apparent porosity %17-25<22<25<26<26<25<25
Bulk Density g/cm3>2.1>2.18>2.2>2.25>2.3>2.35>2.30
Refractoriness ℃>1700>1710>1750>1770>1790>1790>1790
Technical indicators of ingot steel casting bricks

Bottom pour brick application

They are applied to flat-cast steel of various steel types (including stainless steel and gold steel).

High alumina ingot steel casting runner brick

high alumina ingot steel casting runner brick

High alumina runner brick

The operating temperature is 1790 ℃ and supports the customization of high-alumina runner bricks of different shapes.

Clay ingot steel casting runner brick

Clay runner brick

The operating temperature is 1710 ℃ and supports the customization of clay runner brick of different shapes.

clay ingot steel casting runner brick

The influence of the quality of flowing steel bricks on molten steel

ingot steel casting bricks
ingot steel casting bricks

The production process of ingot steel casting bricks must be particularly rigorous, because if the quality is not up to standard, it will easily affect the molten steel in contact with them, thereby affecting the quality of the product. It is caused by the refractory materials used in steelmaking, such as ingot steel casting bricks. When molten steel flows from the molten steel tank to the steel ingot mold, it must pass through the flowing steel bricks. Due to the high temperature of the molten steel, it will impact the refractory runner brick, causing flow. Parts of the steel brick structure will fall off, and the molten steel will interact with the refractory runner brick. The reaction products will be mixed into the molten steel, affecting the quality of the steel ingots.

Support custom ingot steel casting runner brick

runner bricks of different shapes
runner bricks of different shapes

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