Altos Hornos de México (AHMSA) steel plant
|This article is part of the Global Steel Plant Tracker, a project of Global Energy Monitor.|
The map below shows the location of the steel plant in Monclova, Coahuila, Mexico.
Altos Hornos de Mexico, S.A.B. de C.V. (AHMSA) is the largest integrated steel plant in Mexico, based in the state of Coahuila, 250 kilometers from the United States border.
AHMSA is a national leader in the production and commercialization of flat steel products including hot rolled coil used for machinery parts, wide plate, cold rolled coil, tinplate and tin-free steel, railroad tanks and bridge constructions, and structural shapes. It also produces non-flat steel products like heavy shapes. The company benefits from a fully integrated supply chain, with its own coal and iron mines supplying raw materials to the steel plant.
AHMSA was founded in 1941 in response to steel shortages caused by World War II. The plant's location was chosen for its proximity to the iron and coal mines of Coahuila and the neighboring state of Durango. Steel production officially began with the inauguration of the plant's first blast furnace and hot-rolling mill in 1944. Additional facilities were steadily added over the next three decades, including a cold-rolling mill in 1946, a coking plant in 1955, and a basic oxygen furnace in 1971.
Another major expansion came in 1976, with the addition of a second steel plant that included Mexico's largest and most modern blast furnace, new coking and pelletizing plants, and continuous casting and cold-rolling facilities.
In 1991, following a period of financial instability and rising debt, AHMSA was sold by the Mexican government to its current owner, Grupo Acerero del Norte (GAN). The plant continued to grow and modernize over the ensuing three decades, with the decommissioning of blast furnace No. 1 in 2002, the addition of two new blast furnaces (No. 5 in 1994 and No. 6 in 2010), and the commissioning of a Steckel rolling mill and a 1.2-million tpa Primetals electric arc furnace in 2013 and 2015, respectively.
In 2018, the most recent year for which the company reported official production figures, liquid steel volume at AHMSA reached 4.52 million tons. However, production suffered a 25% dropoff in the first three quarters of 2019, due in part to tariffs imposed by the United States, according to company executive James Pignatelli. By August 2020 AHMSA was reported to be in danger of bankruptcy, with losses of M$4.2 billion (4.2 billion Mexican pesos) in the first quarter of 2020 alone.
- Private/State ownership: private
- Parent company: Grupo Acerero del Norte S.A. de C.V. (GAN)
- Owner: Altos Hornos de México S.A.B. de C.V. (AHMSA
- Alternative plant names: AHMSA steel plant
- Other language plant name: Siderúrgica Altos Hornos de México (AHMSA) (Spanish)
- Location: Prolongación Juárez S/N Col. La Loma, CP. 25770 Monclova, Coahuila, Mexico
- GPS Coordinates: 26.876889, -101.416612 (exact)
- Plant status: operating
- Start year: 1944 (age 75–76)
- Production capacities (thousand tonnes per annum):
- Production (thousand tonnes per annum):
- Crude steel: 4520 (BF-BOF, 2018)
- Steel product category: flat, long
- Steel products: hot rolled sheet, wide sheet, cold rolled sheet, tinplate and chrome sheet, structural profiles
- Steel sector end users: construction, agriculture, food packaging
- Steelmaking process: integrated, electric
- Primary steel production equipment: 5 blast furnaces (BF): BF #2 (1976, volume unknown), BF #3 & 4 (start date & volume unknown), BF#5 (1994, 2210 m3), BF#6 (2011, 1392 m3)); 5 basic oxygen furnaces (BOF): Plant 1 (3 BOF (1971)), Plant 2 (2 BOF (1976 and 1994)); 1 electric arc furnace (EAF) (2015); 2 coking plants
- Power source: 40 MW onsite gas-fired power plant
- Iron ore source: MINOSA & CEMESA (Mexican iron mining subsidiaries)
- Coal source: MICARE & MIMOSA (Mexican coal-mining subsidiaries)
Articles and resources
- "Altos Hornos de México". AHMSA. Retrieved 2020-09-06.
- "Nuestra Razón de Ser". AHMSA. Retrieved 2020-09-16.
- "Grupo Acerero del Norte, S.A. de C.V." Canacero. Retrieved 2020-09-09.
- "Nuestra Historia". AHMSA. Retrieved 2020-09-06.
- "Reporte Anual 2018" (PDF). AHMSA. April 10, 2019.
- "AHMSA reduce su capacidad de producción casi 25% en 2019; espera la ratificación del T-MEC". El Economista. October 15, 2019.
- "AHMSA enfrenta una espiral financiera que la acerca de nuevo a la quiebra". El CEO. August 6, 2020.
- "Instalaciones". AHMSA. Retrieved 2020-09-06.
- "USGS Minerals Yearbook: Mexico" (PDF). USGS. 2015.
- "Nuestros Productos". AHMSA. Retrieved 2020-09-06.
- "2020 AIST North American Blast Furnace Roundup". AIST (Association for Iron & Steel Technology). 2020.
- "2020 AIST Basic Oxygen Furnace Roundup". AIST (Association for Iron & Steel Technology). Retrieved 2020-09-16.
- "2020 AIST Electric Arc Furnace Roundup". AIST (Association for Iron & Steel Technology). Retrieved 2020-09-16.
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