Tata Steel Rayong steel plant

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Tata Steel Rayong steel plant, also known as Siam Construction Steel Company, is a steel plant in Amphoe Muang, Rayong, Thailand that operates electric arc furnace (EAF) technology.

Location

The map below shows the exact location of the plant in Amphoe Muang, Rayong, Thailand:

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• Location: No.1, I-7 Road, Map Ta Phut Industrial Estate, Ampher Muang, Rayong 21150, Thailand
• Coordinates (WGS 84): 12.677582, 101.149401 (exact)

Background

Siam Construction Steel Company Limited was established on October 04, 1989. The company was acquired by Tata Steel Manufacturing (Thailand) Public Company Limited on December 31, 2020. In 2020, the EAF unit was upgraded by installing of a new slag door and an advanced electrode regulator to improve the furnace seal and increase productivity.

Ownership Tree

This ownership tree is part of the Global Energy Ownership Tracker, a project of Global Energy Monitor.

Plant Details

Table 1: General Plant Details

Start date	Workforce size	Power source
1989	367	natural gas, 1.4 MW solar rooftop

Table 2: Ownership and Parent Company Information

State-owned entity status	Parent company	Parent company PermID	Parent GEM entity ID	Owner	Owner company PermID	Owner GEM entity ID
Partial	Tata Steel (Thailand) PCL [100.0%]	4295893433 [100.0%]	E100001010159 [100.0%]	Tata Steel (Thailand) PCL [100%]	4295893433	E100001010159 [100%]

Table 3: Process and Products

Steel product category	Steel products	Steel sector end users	ISO 14001	ISO 50001	Main production equipment
semi-finished, finished rolled	billet, rebar	building and infrastructure, energy, steel packaging, tools and machinery, transport	yes	yes	EAF

Table 4: Plant-level Crude Steel Production Capacities (thousand tonnes per annum)

¹Please see our Frequently Asked Questions page for an explanation of the different capacity operating statuses.

Capacity operating status1	Electric arc furnace steelmaking capacity	Nominal crude steel capacity (total)
operating	550	550

Table 5: Actual Plant-level Crude Steel Production by Year (thousand tonnes per annum)

Year	EAF production	Other/unknown steel production	Total (all routes)
2019	unknown	unknown	–
2020	unknown	unknown	–
2021	424	–	424
2022	unknown	unknown	–
2023	unknown	unknown	–

Unit Details

Table 6: Electric Arc Furnace Details

Unit name	Status	Furnace manufacturer and model	Current capacity (ttpa)	Current size (tonnes)
unknown EAF (1)	operating	SMS	550	80.0

Table 7: Electric Arc Furnace Feedstock Details

Unit name	Scrap-based	% scrap
unknown EAF (1)	yes	100.00

Articles and Resources

Additional data

To access additional data, including an interactive map of steel plants, a downloadable dataset, and summary data, please visit the Global Iron and Steel Tracker on the Global Energy Monitor website.

Resources

• Company website