About Iron and Steel Slag


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About Iron and Steel Slag

Types of iron and steel slag
Generation of iron and steel slag
Characteristics and applications of iron and steel slag
Chemical characteristics of iron and steel slag
Iron and steel slag products
Cement
Concrete aggregate
Roads
Civil engineering works and ports/harbors
Ground improvement
Fertilizers
Rock wool
Designation under the Green Purchasing Law

About Iron and Steel Slag


Manufacture and quality management of iron and steel slag products are carried out according to their application. The majority of these products are provided to the market either as JIS (Japan Industrial Standard) equivalent products or as designated procurement items under the Green Purchasing Law.

Types of iron and steel slag

Iron and steel slag is generated as a byproduct of the iron and steel manufacturing processes. It includes blast furnace slag and steelmaking slag.
Generation of iron and steel slag

This page introduces the process by which iron and steel slag is generated, as well as slag properties such as chemical composition and dissolution characteristics.
Characteristics and applications of iron and steel slag

To conserve resources and save energy, iron and steel slag is highly regarded as a recycled material that can reduce impacts on the environment.
Chemical characteristics of iron and steel slag

This page describes the chemical composition, dissolution characteristics, and other properties of iron and steel slag.
Iron and steel slag products

This page introduces products that are used in a broad range of areas and that utilize the characteristics of iron and steel slag.
Designation under the Green Purchasing Law

Many iron and steel slag products have been designated as designated procurement items for public works under the Green Purchasing Law. This page describes how slag products are given this important designation.