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Osaka Steel Sakai Works

operating

Sakai, Asia Pacific, Japan

ISO 14001
GEM wiki

Process Route

EAF

Timeline

Operating since 1950

Emissions

2025

0.21 Mt CO₂e

0.08 t CO₂e per tonne of steel

Typical EAF route: 0.5–0.7 t/t

Modelled estimate (Climate TRACE), not reported data. Methodology

Capacity (ttpa)

Crude Steel

4,650

EAF

4,650

Production

Crude steelproduction, GEM-compiled (Global Iron & Steel Tracker). Dashed line shows nominal capacity.

Steel Units

EAF
unknown EAF (1)operating
1,725 ttpa150 twiki
EAF
unknown EAF (2)operating
1,725 ttpa150 twiki
EAF
unknown EAF (3)operating
1,200 ttpa150 tSteel Plantechwiki

Steel Products

rail, rebar, bar, billet, channel, i-beam, angle

Ownership

Owner Osaka Steel Co Ltd

Parent Osaka Steel Co Ltd [100.0%]

Workforce 328 employees

Country Context

Japan crude steel production (USGS). Plant line shows nominal capacity, not output.

Explore

Plant data sourced from the Global Iron & Steel Tracker (March 2026), Global Energy Monitor. Licensed under CC BY 4.0.

Production data: USGS Minerals Yearbook — Raw Steel: World Production by Country or Locality (2019 edition; 2022 and 2023 early release tables). U.S. Geological Survey, public domain. EAF/BOF splits: USGS Minerals Yearbook (2023 estimates).

Facility emissions estimates from Climate TRACE. Licensed under CC BY 4.0.