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Nippon Sanyo Special Steel

operating

Himeji, Asia Pacific, Japan

ISO 14001
GEM wiki

Process Route

EAF

Timeline

Operating since 1935

Emissions

2025

0.096 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

1,596

EAF

1,596

Steel Units

EAF
EAF 1operating
480 ttpa60 twiki
EAF
EAF 2operating
1,116 ttpa150 twiki

Inputs & Energy

Power 40 million kWh purchased hydroelectric power; 600,000 kWh solar power generated

Steel Products

billet, tube, rolled, bar

Ownership

Owner Sanyo Special Steel Co Ltd

Parent Nippon Steel Corp [53.1%]; Mitsubishi UFJ Financial Group Inc [3.2%]; Nippon Life Insurance Co [2.3%]; Sumitomo Mitsui Trust Holdings Inc [2.0%]; Mizuho Financial Group Inc [1.6%]; Resona Bank Ltd [1.0%]; Meiji Yasuda Life Insurance Co [0.7%]; Norinchukin Bank [0.7%]; small shareholder(s) [0.6%]; The Dai-ichi Life Insurance Co Ltd [0.5%]; Asahi Mutual Life Insurance Co [0.3%]

Workforce 1,623 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.