These products are made from steel slag, which occurs as a by-product during steelmaking. Due to their unique characteristics, they are used in various fields. With awareness of the need for environmental protection increasing, these steel slag products are highlighted as excellent materials from the viewpoint of resource and energy conservation.

Products

Granulated blast-furnace slag (blast-furnace cement)

Steel slag is used as raw material for blast furnace cement. Compared to mixed cement, blast-furnace cement offers the great advantages of increased durability (high resistance to seawater, reduction in alkali-aggregate reactivity, etc.) and enhanced long-term strength, along with lower CO2 off-gassing.

Examples of use

[Public Works & Disaster Prevention] Ibaraki, Koyama Dam

Used in these applications

Railways
Harbors and airports
Roads and tunnels
Flood control

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