GBFS Focus 2030

OneStone Consulting Ltd. in Varna/Bulgaria has released a new market report on the future of granulated blast furnace slag (GBFS) with unmatched information on the production and utilisation of this type of cementitious material.

The iron & steel industry is in a transition to low-carbon steelmaking. There are some industry sources, which suggest that already in a few years with the elimination of blast furnaces the availability of granulated blast furnace slag (GBFS) will significantly decline, globally.

However, the truth is that the restructuring of the steel industry will come in cycles starting in W.-Europe and other developed regions before it is implemented in developing countries. As a result, BF/BOF steelmaking, which relies on iron ore, will continue to be the dominant processing route for the manufacture of steel.

Taking such industry trends into account the global pig iron production will increase from 1350 Mt/a in 2021 to 1384 Mt/a in 2025 and 1403 Mt/a by 2030.

Due to a higher pig iron production and increasing slag rates the global blast furnace slag (BFS) production will increase from 383.0 Mt/a in 2021 to 418.8 Mt/a in 2025 and 445.6 Mt/a by 2030.

Another effect is that the granulation rate for BFS will increase from today 86.5% (worldwide) to 93.4% by 2030.This will increase the global GBFS production from 331.5 Mt/a in 2021 to 381.2 Mt/a in 2025 and 416.4 M/ta by 2030.

Many world regions will become GBFS exporters. Accordingly, there should be enough GBFS available for imports and to substitute fly ash in cement and concrete, also in the EU 27, where GBFS will decline by almost 30%.

There are industry sources predicting BF in combination with CCUS will be the technology of the future in the steel industry, resulting in an even higher availability of GBFS.


The objective of the report is to provide accurate information about all aspects of the production and utilisation of granulated blast furnace slag (GBFS), worldwide. This in-depth market report is to understand the market dynamics and trends in the industry (steel, cement, concrete) and how this will affect the availability and the demand for GBFS country by country.

Scope of supply

The market report provides detailed market information on the production of BF slag, GBFS, slag rates, GBFS consumption, imports and exports. The time period is from 2017 to 2021 with an outlook for 2025 and 2030 for 108 countries. Beside this information the report provides plenty of information such as the steel and cement industry development, major market trends in those industries, producers of GBFS, GBFS trading companies, market shares of suppliers for slag granulation systems, market shares for slag grinding mills and an outlook for slag granulation systems and slag mills by 2030.

The market report is the most up-to-
date and most comprehensive multi-client market report on granulated blast furnace slag. The report was released end of September 2022. It is written in executive style and comprises 164 pages, incl. 117 charts and 24 tables.


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