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UMC Metals Chon Buri steel plant

operating

Amphoe Muang, Asia Pacific, Thailand

ISO 14001
GEM wiki

Process Route

EAF

Timeline

Operating since 1994

Emissions

2025

0.032 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

805

EAF

805

Steel Units

EAF
unknown EAF (1)operating
805 ttpa70 tSteel Plantechwiki

Steel Products

billet, round bar, bar

Ownership

Owner UMC Metals Ltd

Parent UMC Metals Ltd [100.0%]

Country Context

Thailand 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.