Grupo Simec San Luis steel plants

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Grupo Simec San Luis steel plants (Acería Simec San Luis), also known as Aceros DM and Aceros San Luis, is a steel plant in San Luis Potosí, Mexico that operates electric arc furnace (EAF) technology.

Location

The map below shows the exact location of the plant in San Luis Potosí, Mexico:

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• Location: Eje 114 #440, Zona Industrial, 78395 San Luis, S.L.P., Mexico
• Coordinates (WGS 84): 22.103324, -100.919202 (exact)

Background

The Acero Simec San Luis steel plants consist of two mini-mills that are often grouped together. Both are 100% scrap-based.

Plant Details

Table 1: General Plant Details

Start date	Workforce size
1993	613

Table 2: Ownership and Parent Company Information

Parent company	Parent company PermID	Parent company GEM ID	Owner	Owner company PermID	Owner company GEM ID
Grupo Simec SAB de CV [100.0%]	4295884304 [100.0%]	E100000130728 [100.0%]	Aceros Especiales Simec Tlaxcala SA de CV [100%]	5080034040	E100000131089 [100%]

Table 3: Process and Products

Steel product category	Steel products	Steel sector end users	ISO 14001	Main production equipment
semi-finished, finished rolled	wire rod, rebar, mesh, bar	automotive, building and infrastructure, energy, steel packaging, tools and machinery, transport	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	816	816

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	631	–	631
2021	646	–	646
2022	527	–	527
2023	699	–	699

Unit Details

Table 6: Electric Arc Furnace Details

Unit name	Status	Start date	Furnace manufacturer and model	Current capacity (ttpa)	Current size (tonnes)
EAF 1	operating	1973	Heroult	121	20.0
EAF 2	operating	1979	–	145	20.0
EAF 3	operating	1986	Whiting	150	33.0
EAF 4	operating	1993	Danieli, Primetals Technologies EBT	400	54.0

Table 7: Electric Arc Furnace Feedstock Details

Unit name	Scrap-based	% scrap
EAF 1	yes	100.00
EAF 2	yes	100.00
EAF 3	yes	100.00
EAF 4	yes	100.00

Articles and Resources

Additional data

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

Resources

• Company website