SAB

What SAB does

SAB S.à r.l. is a privately held Luxembourg industrial manufacturer that designs, engineers, and produces equipment for blast furnaces, primarily serving the European iron and steel industry. Founded in 1998 as part of a railway systems specialist group, the company was repositioned toward steelwork and blast furnace components in 2004 under co-owners Robert Schweich and Mario Kratz, and currently operates from a 9,000m² production facility and 1,500m² administration space at the 'Am Potaschberg' industrial zone in Grevenmacher. Core offerings include blast furnace valves (hot and cold blast), tuyere stocks, butterfly valves such as the 30-tonne Brillenschieber DN 3200, and custom-engineered mechanical assemblies. The company holds a 2011-granted worldwide patent on an energy-saving tuyere stock technology that reduces hot-blast energy losses via optimized flow and insulation, and is supported by ISO 9001 (since 2011), ISO 3834-2, ISO 1090, and "Made in Luxembourg" certifications.

SAB's production capability rests on a 3D CAD with integrated PLM platform, FEM structural simulation, and flow simulation for hot-blast systems, paired with capital-intensive metalworking and finishing equipment including a Doosan Puma 3100LM lathe, ReTOS RET 10 X boring mill, VSR VIBMATIC® 8000 vibration stress relief system (for workpieces from 100 kg to over 200 tonnes), and a FARO® Prime measuring arm for on-site precision metrology. Named enterprise customers include ArcelorMittal Bremen (tuyere stocks for Blast Furnace 3, 2008), ArcelorMittal Galati (full blast furnace fit-out, 2010), and the largest Polish steel manufacturer (Brillenschieber DN 3200, 2020). The company also serves secondary verticals of automotive measuring machines, beverage/tobacco fixtures, and general mechanical engineering since 2006.

The business operates a project-based B2B contract manufacturing model selling direct to industrial customers with engineered specifications, on-site acceptance testing, and multi-year contracts. Primary revenue derives from custom engineering, production, and assembly of valves, tuyere stocks, and structural components (one-time licensing per project); a complementary recurring revenue stream runs through VCL (Valve Competence Luxembourg S.A.), a wholly-owned after-sales subsidiary supplying spare parts and repair services, originally founded as a 2014 50/50 joint venture with Paul Wurth S.A. and fully acquired by SAB in 2021. German operating companies (SAB Service GmbH Deutschland, VCL Deutschland GmbH) extend the footprint across the border. Pricing is quote-based per customer specification and is not publicly disclosed.

Name

SAB

Legal name

SAB S.à r.l.

Website

https://sab.lu

Company type

Private

Founded year

1998

Operating status

Operating

Headcount range

51–100 employees

Short description

SAB is a Luxembourg-based industrial manufacturer that designs, engineers, and produces blast furnace valves, tuyere stocks, and custom mechanical assemblies primarily for European steel producers including ArcelorMittal, with supplementary after-sales service via its VCL subsidiary.

Ownership category

akta.pro rank

Product category

Industrial Equipment Manufacturing

NAICS

Industrial Process Furnace and Oven Manufacturing (333994), Power Boiler and Heat Exchanger Manufacturing (332410)

SIC

Industrial Process Furnaces & Ovens (3567), Fabricated Structural Metal Products (3440), Special Industry Machinery (No Metalworking Machinery) (3550)

akta.pro primary industry

Electric Arc Furnace (EAF) Steelmaking (Incl. DRI/HBI-Based) (IMAKABAB)

Keywords

• Blast furnace components
• Industrial valve manufacturing
• Steel industry equipment
• Tuyere stock engineering
• Heavy machinery fabrication

Headquarters

HQ city

Grevenmacher

HQ country

Luxembourg

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Custom Manufacturing and Engineering Services: B2B contract manufacturing of industrial valves, blast furnace components, and machinery. Revenue generated through project-based orders for new equipment, repairs, and spare parts. Services include engineering design, production, assembly, and on-site acceptance testing.
2. After-Sales Service and Repair (VCL): Repair services and spare parts for installed valves and industrial equipment, focusing on the after-sales market through VCL subsidiary.

Pricing tiers

Go-to-market motion1 record

Distribution channels2 records

Marketing channels4 records

Core offering

SAB designs, engineers, and manufactures custom industrial equipment for blast furnaces, including valves, tuyere stocks, and related components for the steel industry. The company provides end-to-end services from CAD-based engineering and FEM simulation through precision machining, assembly, and on-site acceptance testing, complemented by after-sales service through its VCL subsidiary.

Product overview

SAB S.à r.l. is a Luxembourg-based industrial manufacturing company specializing in blast furnace components, valves, and mechanical engineering. The company operates through its core engineering and production divisions, offering new constructions, repairs, and machining services for the steel industry. The product portfolio centers on blast furnace valves and tuyere stocks, including the patented energy-saving tuyere stock. SAB operates VCL (Valve Competence Luxembourg), a wholly-owned subsidiary focusing on valve supply and after-sales service. Additional services include FARO Prime 3D measuring and VSR VIBMATIC 8000 vibration stress relief treatments. The company serves blast furnace operators, steel manufacturers, and industrial clients requiring custom mechanical components.

Differentiator

Problem solved

Functional benefit

Products and services

• Engineering Services Engineering services for industrial clients including new constructions, repairs and damage assessment, CAD-based 3D design, FEM calculations for complex components, and flow simulations for energy optimization in hot blast applications.
• Production Services Comprehensive manufacturing services including steel construction, metal cutting/machining, mechanical engineering, and third-party contract manufacturing. Products are produced according to customer specifications and include factory acceptance testing before delivery.
• Blast Furnace Valves and Components Manufacturing and supply of blast furnace valves, tuyere stocks for hot and cold blast applications, and associated components for the iron and steel producing industry.
• Energy-Saving Tuyere Stock

Quantifiable outcome

• Energy savings through optimized tuyere stock design and hot blast system components
• +1 more outcomes

Named customers4 records

Segments5 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

Three partnerships are on record, tiered core and minor.

• Paul Wurth S.A.coreStrategic or Co-development Partner · 1 January 2014Founded 50/50 joint venture VCL (Valve Competence Luxembourg S.A.) in 2014 with Paul Wurth as technology provider for integrated steel industry. Paul Wurth contributed technology expertise for blast furnace valve systems. In 2021, SAB fully acquired Paul Wurth's shares in VCL, taking full control of the after-sales market and repair services.
• Valve Competence Luxembourg S.A. (VCL)coreStrategic or Co-development PartnerSAB's subsidiary company focused on blast furnace valves, valves, shut-off valves, and special valves. VCL also focuses on after-sales market and associated repair service operations. Originally founded as joint venture with Paul Wurth, now fully owned by SAB.
• External Accredited Testing Service ProviderminorOthersExternal, accredited, and certified testing service provider used for quality control of welded constructions to ensure consistently high quality standards.

Scale indicators3 records

Recent moves8 records

Expansion highlights6 records

Others

• ThyssenKrupp Steel Europe: ThyssenKrupp Steel Europe is one of Europe's largest flat steel producers and a major operator of blast furnaces in Germany. While a customer for capital equipment and engineering services rather than a direct competitor, it is highly relevant for market sizing, EU steel demand, and decarbonization pathway dynamics that affect SAB's order book.
• voestalpine AG: voestalpine is a major European integrated steelmaker with significant blast furnace operations in Austria and is investing heavily in hydrogen-based green steel. It is a potential customer and a useful peer for understanding EU blast furnace operator capex trends relevant to SAB's core market.
• FARO Technologies: FARO is the supplier of the FARO Prime measuring arm SAB uses for in-factory and on-site 3D metrology. While not a competitor, FARO is a meaningful ecosystem relationship for SAB's precision measurement service offering and a useful comparable for industrial metrology-adjacent peers.

Direct peers

• Küttner GmbH & Co. KG: Küttner is a German engineering company specializing in ironmaking and steelmaking plant technology, including blast furnace equipment, coke-making, and dedusting systems. It is directly comparable to SAB in scope, customer base, and technologies, though typically at a larger project scale.
• Primetals Technologies: Primetals Technologies is a leading global supplier of integrated steelworks equipment, including blast furnace components, ironmaking technology, and continuous casting systems. It competes head-to-head with SAB on new blast furnace builds, upgrades, and aftermarket services in Europe and globally.
• Danieli & C. Danieli is one of the world's largest suppliers of equipment and plants for the metals industry, with a strong portfolio in blast furnace, EAF, and steelmaking technology. It overlaps directly with SAB in the design and supply of blast furnace components and steel mill engineering services.
• Paul Wurth (SMS group): Paul Wurth, now part of SMS group, is a long-standing blast furnace engineering specialist. It was SAB's 50/50 JV partner in VCL from 2014 until SAB bought out its stake in 2021, and competes directly with SAB in blast furnace valves, tuyere systems, and integrated steel plant technology.

Broad incumbents

• SMS group: SMS group is a global plant manufacturer for the metals industry, with broad coverage of rolling mill, forging, and metallurgical plant technology. Through its Paul Wurth subsidiary it is SAB's closest direct competitor in blast furnace equipment, but its scope and scale far exceed SAB's niche focus.
• ANDRITZ Group: ANDRITZ is a broad industrial machinery and plant engineering group serving pulp & paper, hydropower, metal forming, and separation technologies. Its metal forming and service divisions overlap with SAB's contract manufacturing, machining, and industrial component supply in steel and adjacent heavy industries.

Emerging players

• Dango & Dienenthal Maschinenbau: Dango & Dienenthal supplies specialized equipment for the metals and mining industries, including tap hole drilling machines and slag transport equipment used in blast furnace operations. It is comparable to SAB as a niche industrial supplier serving integrated steelworks, but with a narrower product focus.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Key risks7 records

Key highlights7 records

Customer concentration

• Facebookfacebook.com/SABGrevenmacher

Compliance4 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles3 records

Subsidiaries5 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 SAB