ArcelorMittal South Africa Limited

What ArcelorMittal South Africa Limited does

ArcelorMittal South Africa Limited (JSE: ACL) is Africa's largest integrated steel producer, supplying over 60% of South Africa's domestic steel consumption and exporting to sub-Saharan Africa, Europe, Asia, and the Americas. The company operates six production parks across four provinces — Vanderbijlpark (headquarters with two blast furnaces of 1.3Mt and 1.9Mt capacity, BOFs, hot rolling, cold rolling, galvanizing, and coke batteries), Saldanha (flat steel mill), Vereeniging (tubular and electric arc furnace assets, partly on care and maintenance), Pretoria (historical founding works), Thabazimbi (captive iron ore mine), and Emalahleni (rail and structures) — supported by installed crude steel capacity exceeding 5 million tonnes (up to 7 million tonnes of liquid steel in a normal year, yielding ~5.5 million tonnes of saleable product). Its product portfolio spans flat steel (cold rolled coil, hot rolled coil and plate, galvanised coil, electrogalvanised coil, Chromadek® colour-coated coil), long steel (billets, blooms, reinforcing bar/Nostra®, structural sections, fencing profiles, rails, wire rod, mining bar, hollow bar), tubular products (line pipe, OCTG, boiler tube, precision tube — produced at the Vereeniging facility, the sole seamless tube producer in South Africa), and foundry castings.

The business model is B2B direct sales through an enterprise field sales force and customer portals (flat steel, long steel, Chromadek®), with quote-based unit pricing calibrated to product specifications and volume. Revenue is generated across over 20 market segments including automotive, construction, mining, oil and gas, packaging, appliance, agriculture, and renewable energy, with named enterprise customers such as Isuzu in automotive. Approximately 67% of equity is held by ArcelorMittal Group (Luxembourg), the world's largest steel producer, providing access to global R&D, procurement scale, and technology; the Industrial Development Corporation of South Africa holds ~8.2%, and BEE partner Likamva holds 16.7%. Approximately 8,323 employees support these operations as of 2025.

Financial performance has deteriorated sharply: H1 2026 revenue fell 30% year-on-year to R12.04 billion with a R1.49 billion headline loss; FY2025 produced a R3.4 billion full-year loss; electricity costs reached R3.5 billion in 2025; and steel imports represented 47% of domestic consumption. The Newcastle steel mill was permanently closed in January 2025 after 78 years, the long steel business has been placed under care and maintenance with 3,500 direct jobs at risk and up to 100,000 indirect positions threatened, and auditor EY has flagged material going concern uncertainty. The IDC is in advanced discussions for a potential ~$460 million takeover consortium deal to recapitalize the business.

Name

ArcelorMittal South Africa Limited

Legal name

ArcelorMittal South Africa

Website

https://arcelormittalsa.com

Company type

Public

Founded year

1928

Operating status

Operating

Headcount range

5,001–10,000 employees

Short description

ArcelorMittal South Africa (JSE: ACL) is Africa's largest integrated steel producer, supplying over 60% of domestic steel demand through flat, long, tubular, and foundry products manufactured across six production parks to automotive, construction, mining, oil and gas, and industrial customers.

Ownership category

akta.pro rank

Product category

Steel Manufacturing

NAICS

Iron and Steel Mills and Ferroalloy Manufacturing (331110), Iron and Steel Pipe and Tube Manufacturing from Purchased Steel (33121), Iron Ore Mining (21221)

SIC

Steel Works, Blast Furnaces & Rolling & Finishing Mills (3310), Steel Works, Blast Furnaces & Rolling Mills (Coke Ovens) (3312), Steel Pipe & Tubes (3317)

akta.pro primary industry

Integrated Steelmaking (BF-BOF) (IMAKABAA)

akta.pro secondary industries

Coated & Plated Steel (Galvanized, Galvalume, Tinplate, Electrogalvanized, Color-Coated) (IMAKABAG), Steel Casting (Continuous Casting, Ingots, Semi-Finished Slabs/Billets/Blooms) (IMAKABAD)

Keywords

• Flat steel products
• Long steel products
• Seamless tubes
• Foundry castings
• Integrated steelmaking

Headquarters

HQ city

Johannesburg

HQ country

South Africa

HQ region

Africa

Offices7 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Operations, Infrastructure, Supply Chain, Personnel, Technology or R&D, Marketing or Sales

Revenue model

1. Flat Steel Products: Primary revenue stream from flat steel products including hot rolled coil, cold rolled coil, galvanized coil, colour coated coil (Chromadek®), electrogalvanised coil, and hot rolled plate. Sold in coils or plates to automotive, construction, packaging, and appliance industries.
2. Long Steel Products: Long steel products including reinforcing bar, structural sections, fencing profiles, rails, wire rod, mining bar, and hollow bar sold to construction, mining, and engineering industries.
3. Tubular Products: Seamless tube products from Tubular Products Vereeniging facility, sole producer in South Africa. Products include line pipe, OCTG, boiler tube, and precision tube for oil, gas, and industrial applications.
4. Foundry Products: Ferrous foundry casting products for internal use and external customers, including light bay castings (<9 ton) and heavy bay steel castings (>9 ton) up to 320 tons.
5. Coke and By-Products: Commercial coke sales to ferro-alloys sector and enriched products including tar, basic oxygen furnace and blast furnace slag.

Pricing tiers

Go-to-market motion2 records

Distribution channels4 records

Marketing channels9 records

Core offering

ArcelorMittal South Africa is Africa's largest integrated steel producer operating blast furnaces, basic oxygen furnaces, rolling mills, and metallurgical coke facilities. It manufactures and sells flat steel products (hot rolled, cold rolled, galvanised, electrogalvanised, colour-coated coil and plate), long steel products (billets, blooms, reinforcing bar, structural sections, rails, wire rod, fencing profiles, mining bar, forgings), tubular products (seamless line pipe, OCTG, boiler and precision tubes), and foundry castings for industrial customers.

Product overview

ArcelorMittal South Africa is a steel manufacturing company offering a diversified portfolio of flat steel products (cold rolled coil, hot rolled coil and plate, galvanised coil, electrogalvanised coil, colour coil/Chromadek), long steel products (billets, blooms, fencing, forgings, structural sections, rails, reinforcing bar, wire rod, rounds & squares), foundry products (castings), and tubular products (seamless tubes). The company operates six production parks across four provinces, supplying over 60% of South Africa's steel needs. Products serve diverse industries including automotive, construction, mining, engineering, packaging, and renewable energy.

Differentiator

Problem solved

Functional benefit

Brands

• Chromadek®: Colour coated steel product with zinc coating and top and backing paint coat available in various colours, used for roofing and cladding applications.
• Securilec®
• Afri-Post®
• Vastrap®
• Supraform®
• Nostra®

Products and services

• Cold Rolled Coil Cold rolled sheet produced by processing hot rolled strip through cold rolling, annealing and temper rolling to create steel with thinner gauges, closer tolerances and a wider range of surface finishes; used by automotive, appliance and general manufacturing industries.
• Chromadek® Colour-Coated Coil Proprietary colour-coated steel product with zinc coating and top and backing paint coat available in various colours, supplied for roofing and cladding applications.
• Electrogalvanised Coil Cold rolled steel substrate coated with zinc by electrolytic deposition, allowing accurate control of zinc coating thickness; used for exposed panels, automotive and appliance applications.
• Galvanised Coil Steel product with protective zinc coating applied through hot-dip galvanising to prevent rusting; supplied to construction, roofing, automotive and appliance industries.
• Hot Rolled Coil Mill-process product rolled at high temperature above the steel's recrystallisation temperature, including Vastrap® embossed teardrop-pattern floor plate with anti-slip properties for industrial staircases and flooring.
• Hot Rolled Plate Steel plate manufactured in a wide range of sizes for construction, pressure vessel and wear-resistant applications, also used for steel sheet piling.
• Hot Rolled Coil Pickled and Oiled Hot rolled material descaled of oxide film by mechanical and chemical methods and then oiled to retard corrosion during storage; used as a downstream input for cold rolling and tube-making.
• Tubular Products (Seamless Tubes) Hot rolled and cold drawn seamless tube products produced at the Vereeniging facility (the sole producer in South Africa), including line pipe, OCTG, boiler tube and precision tubes for oil and gas, energy and industrial customers in Southern Africa and selected export markets.
• Foundry Products (Steel Castings) Ferrous cast general application castings for internal use and external customers, with light casting mass from 5 kg to 8 tonnes and heavy capacity from 40 to 320 tonnes.
• Billets and Blooms Semi-rolled steel products (billet 100x100 to 131x131 mm, bloom 140x140 to 210x210 mm) supplied to rolling mills for manufacturing rounds, wire, rebar or structural sections.
• Fencing Profiles (Securilec®, Afri-Post®, Ridgeback, Newcastle Droppers) Hot rolled fencing profiles including Y-profile posts, Securilec® YP, I-profile fencing posts, Afri-Post®, Ridgeback Droppers and Newcastle Droppers for the agricultural and security fencing markets.
• Forgings Products shaped by heating in furnace and hammering or beating into shape, producing metal stronger than cast or machined parts; includes round bars, flat and square forge bars, discs, step forgings and forge rings.
• Heavy Structural Sections Construction-grade structural products including universal beams, universal columns, parallel flange channels, universal joists, rails and equal angles for heavy building and infrastructure projects.
• Hexagon Bar Bar with six straight sides used in mining, specialised bolt and nut manufacturing, machinery, chemical, shipping and architectural industries.
• Hollow Bar Hexagon or round bar with a hole in the centre, used primarily in the mining industry as a hollow drill bit and for machined components.
• Mining Bar Round bar with deformations designed to enhance adhesion properties when resins and epoxies are applied in underground mining roof support applications.
• Rails Mine and sidings rails in 15, 22, 30 and 40 kg/m sizes and mainline rails in 48 and 57 kg/m grades for railway and mining applications.
• Nostra® Reinforcing Bar Steel bar produced for reinforcement of concrete, available as mild steel plain bar and deformed high-strength bar (Nostra® brand) produced via alloy additions or the QST process.
• Rounds and Squares Round bars with diameters from 5.5 mm to 105 mm for general engineering and grinding mills, and forged/heat-treated/machined diameters from 90 mm to 450 mm for engineering and armaments applications.
• Structural Sections Products for construction of light to heavy steel structures including flats, squares, angles, U-sections, T-sections and I-sections.
• Window Sections Hot rolled profiles for the secondary window and door frame industry, supplied in as-rolled condition.
• Wire Rod Coiled wire rod with nominal diameters from 5.5 mm to 14.5 mm at 0.5 mm intervals, used as feedstock for threaded fasteners and wire products.
• Special Profiles Steel profiles developed for specialised applications with a track record of being tailored to specific customer requirements.
• Coke and By-Products Commercial metallurgical coke supplied to the ferro-alloys sector along with enriched by-products including tar and blast furnace/basic oxygen furnace slag produced at the Vanderbijlpark coke batteries.

Quantifiable outcome

• Production capacity of 7 million tonnes of liquid steel per annum (5.5 million tonnes of saleable steel products)
• +2 more outcomes

Named customers5 records

Segments8 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

Five partnerships are on record, tiered minor and historical.

• IsuzuminorStrategic or Co-development Partner · 1 January 2025Isuzu, a car manufacturer with a plant in Gqeberha, South Africa, is advocating for electricity price relief to benefit the steel industry. This reflects the interdependence between automotive manufacturers and steel producers in South Africa.
• Department of Basic EducationminorStrategic or Co-development Partner · 1 January 2025Partnership established in 2009 to build schools using ArcelorMittal's alternative steel building technology. Two schools built and donated: Meetse-A-Bopelo Primary School in Mamelodi (R39 million) and Mandela Park Primary School in Mthatha (R45 million).
• MersetaminorStrategic or Co-development Partner · 1 January 2023Partnership with Manufacturing, Engineering and Related Seta (Merseta) for skills development. Agreement to train 200 apprentices and 300 production learners at company premises, funded at R62 million by Merseta, aligned with Steel Master Plan.
• Gauteng Department of HealthminorStrategic or Co-development Partner · 1 November 2013Partnership to construct and donate Reamohetse Wellness Centre at Sebokeng Hospital. The R13 million facility addresses healthcare needs for disadvantaged communities in the Vaal Triangle.
• Industrial Development Corporation (IDC) - Saldanha Steel Joint VenturehistoricalStrategic or Co-development Partner · 1 January 1996Joint venture with IDC formed in 1996 to build Saldanha Steel Mill. IDC participated in financing the construction of Saldanha Steel which was commissioned in 1998.

Scale indicators13 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Columbus Stainless Steel: South African stainless steel producer, the only other major domestic primary steelmaker. Highly comparable as a local integrated steel producer serving similar end markets and competing for the same South African industrial customers.

Regional players

• Evraz Highveld Steel and Vanadium: Historical South African integrated steel and vanadium producer. Closely comparable in terms of integrated steelmaking footprint in South Africa and exposure to mining/structural steel end markets, even though operations are currently curtailed.
• Hulamin: South African aluminium rolled products manufacturer, also listed on the JSE. Comparable as a fellow heavy industrial metals processor in South Africa with overlapping customer base in packaging, construction, and automotive, though focused on aluminium rather than steel.

Broad incumbents

• ArcelorMittal Group: Global parent and the world's largest steel producer. Comparable as a fully integrated flat and long steel manufacturer serving identical end markets (automotive, construction, packaging) but operating at vastly greater scale across 60+ countries.
• Tata Steel: Global integrated steel producer with comparable portfolio of flat and long products, including automotive, construction, and engineering grades. Comparable as a vertically integrated producer facing similar import, energy cost, and decarbonization challenges.
• JSW Steel: India's largest integrated steel producer. Comparable in terms of integrated BF-BOF production, broad flat/long steel mix, and exposure to construction and infrastructure demand, with similar cost-competitive positioning against Chinese imports.
• POSCO: South Korea's largest integrated steelmaker and major global exporter. Directly comparable as a blast furnace-based integrated producer with leading automotive and construction grade flat steel offerings competing in the same global flat steel trade flows.
• Nucor: Largest US steel producer and the benchmark EAF-based flat and long steel manufacturer. Comparable on the product/customer side (automotive, construction) and represents the lower-carbon EAF cost model that increasingly pressures BF-BOF producers like AMSA.
• United States Steel Corporation: Integrated flat-rolled steel producer serving automotive, construction, and energy markets. Comparable in terms of integrated steelmaking, automotive grade focus, and the operational challenges of transitioning blast furnace assets in a high-cost energy environment.
• Voestalpine: Austrian integrated steel and technology group producing high-quality flat steel, sections, and tubular products. Comparable in terms of integrated steelmaking, automotive/rail/construction customer mix, and exposure to high European energy costs.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

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Compliance9 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles22 records

Subsidiaries2 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about ArcelorMittal South Africa Limited