Mannesmann AG
Mannesmann AG is a wholly-owned steel pipe division of Salzgitter AG, operating Mannesmann Precision Tubes, Mannesmann Line Pipe, and Mannesmann Grossrohr across Germany, France, and Mexico. It manufactures seamless and welded precision tubes, HFI-welded line pipes, and spiral-welded large-diameter pipes for automotive, oil & gas, construction, hydrogen/CO2/NH3 energy, and water utilities.
- Company typePrivate
- Founded1890
- HeadquartersDüsseldorf, Germany
- Headcount5,001–10,000
- GTM typeB2B
- OfferingHardware or Manufacturing
What Mannesmann AG does
Mannesmann AG is the steel pipe manufacturing division of Salzgitter AG, operating through three core companies — Mannesmann Precision Tubes GmbH, Mannesmann Line Pipe GmbH, and Mannesmann Grossrohr GmbH — together with international production entities in France and Mexico and additional German manufacturing operations. The company produces seamless and welded precision steel tubes, HFI-longitudinally welded line pipes, hollow sections, and spiral-welded large-diameter pipes, sold primarily to industrial customers in automotive, oil and gas, construction and infrastructure, water utilities, mining, and machinery sectors. The company has positioned its portfolio around the energy transition through branded lines including Mannesmann H2ready® (hydrogen transport pipes, TÜV SÜD-certified), CO2ready® (carbon capture pipes), NH3ready (ammonia), and high-pressure hydrogen mobility tubes rated to 700 bar. Specialty materials such as KSG1000 high-performance steel and coatings like MAPEC® and MW-protect® extend performance differentiation for automotive drive trains and corrosion-intensive applications.
The underlying technology stack spans hot-finished seamless tube production, HFI longitudinal welding, spiral welding for large diameters, and proprietary coating systems (3-layer PE/PP, FBE, galvanization, cement mortar lining). Manufacturing is supported by in-house R&D via Salzgitter Mannesmann Forschung GmbH, raw material supply from Salzgitter Flachstahl GmbH, and group trading via Salzgitter Mannesmann Handel — vertical integration that the company cites as a source of delivery reliability (lead times from six weeks for large-diameter pipes) and quality traceability.
The business model is industrial B2B with hardware sales as the primary revenue stream, complemented by pipe processing services (cutting, machining, bending), coating services, and logistics. Go-to-market is direct enterprise sales organized by segment (Automotive, Industry & Energy, Line Pipe for Oil/Gas/Water, New Energies for H2/CO2/NH3, Construction/District Heating), supplemented by an international network of sales representatives and logistics partners (Deutsche Bahn, Captrain, VPS). Pricing is quote-based and not publicly disclosed. The customer base is anchored by enterprise buyers, with EWE AG (green hydrogen infrastructure) and Quilongá (Angola drinking water pipeline, May 2024) as the only named end customers in the available data; revenue concentration by customer is not disclosed. Mannesmann is privately held as a wholly-owned subsidiary of publicly listed Salzgitter AG and operates without independent capital markets exposure.
Mannesmann AG firmographics
Firmographics- Name
- Mannesmann AG
- Legal name
- Mannesmann Precision Tubes GmbH
- Website
- https://mannesmann.com
- Company type
- Private
- Founded year
- 1890
- Operating status
- Operating
- Headcount range
- 5,001–10,000 employees
- Short description
- Mannesmann AG is a wholly-owned steel pipe division of Salzgitter AG, operating Mannesmann Precision Tubes, Mannesmann Line Pipe, and Mannesmann Grossrohr across Germany, France, and Mexico. It manufactures seamless and welded precision tubes, HFI-welded line pipes, and spiral-welded large-diameter pipes for automotive, oil & gas, construction, hydrogen/CO2/NH3 energy, and water utilities.
- Ownership category
- akta.pro rank
Mannesmann AG industry classification
Industry- Product category
- Steel Pipe Manufacturing
- NAICS
- Iron and Steel Pipe and Tube Manufacturing from Purchased Steel (33121), Iron and Steel Pipe and Tube Manufacturing from Purchased Steel (331210)
- SIC
- Steel Pipe & Tubes (3317)
- akta.pro primary industry
- Pipe & Tube Manufacturing (Seamless & Welded OCTG/Line Pipe/Structural Tube) (IMAKABAI)
- akta.pro secondary industries
- Pipes & Tubing (Metal, Plastic & Composite) (IMADALAC), Hoses, Tubing & Fittings (Hydraulic/Pneumatic Lines & Connectors) (IMAHAGAH)
Keywords
Where Mannesmann AG is headquartered
LocationHeadquarters
- HQ city
- Düsseldorf
- HQ country
- Germany
- HQ region
- Europe
Offices11 records
Markets served
Mannesmann AG business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Personnel, Supply Chain, Operations, Technology or R&D, Infrastructure, Marketing or Sales
Revenue model
- Steel Pipe and Tube Manufacturing: Manufacturing and sale of seamless and welded precision steel tubes, HFI-longitudinally welded line pipes, spiral-welded large-diameter pipes, and hot-finished seamless steel tubes to industrial customers.
- Pipe Processing Services: Value-added services including pipe coating (MAPEC®, FBE, cement mortar), pipe processing (cutting, machining, bending), and logistics services for delivery to customer sites.
Go-to-market motion2 records
Distribution channels3 records
Marketing channels4 records
Mannesmann AG product offering
Product offeringCore offering
Mannesmann AG manufactures and sells seamless and welded precision steel tubes, HFI-longitudinally welded line pipes, spiral-welded large-diameter pipes, and hot-finished seamless steel tubes through three core operating subsidiaries (Mannesmann Precision Tubes GmbH, Mannesmann Line Pipe GmbH, Mannesmann Grossrohr GmbH). The portfolio includes specialty branded products for hydrogen (H2ready®), CO2 (CO2ready®), ammonia (NH3ready), high-pressure applications, drill pipes (Drilmax®), and advanced coatings (MAPEC®, MW-protect®, FBE, galvanization, cement mortar), serving automotive, oil and gas, construction, water utilities and energy transition infrastructure markets.
Product overview
Mannesmann AG operates as a network of steel pipe technologies under the Salzgitter AG group, comprising three core companies: Mannesmann Precision Tubes (seamless and welded precision steel tubes), Mannesmann Line Pipe (HFI longitudinally welded line pipes), and Mannesmann Grossrohr (spiral-welded large diameter pipes). The product portfolio includes specialty lines such as H2ready® for hydrogen transport, CO2ready® for carbon capture applications, NH3ready for ammonia, and various precision tube products with advanced coatings (MAPEC®, FBE, galvanization, cement mortar). The offerings are supported by pipe processing services, logistics, and quality testing, serving automotive, energy, construction, oil and gas, and water infrastructure industries globally.
Differentiator
Problem solved
Functional benefit
Brands
- Mannesmann H2ready®: Steel pipes specifically developed and certified for hydrogen transport and storage, designed to exceed requirements of important guidelines and standards.
- Mannesmann CO2ready®
- Mannesmann MSH®
- MAPEC®
- MW-protect®
- Mannesmann Premium Line Pipe
- Drilmax®
Products and services
- Mannesmann Precision Tubes Seamless and welded precision steel tubes with special dimensional accuracy, hollow sections, and seamless hot-finished steel tubes for demanding industrial applications requiring tight tolerances. Serves automotive manufacturers and Tier-1 suppliers, machinery and plant engineering OEMs, and energy sector customers.
- Mannesmann Line Pipe HFI-longitudinally welded line pipes and hollow sections made of steel across a wide range of dimensions and steel grades for energy infrastructure applications. Serves oil and gas transmission, water utilities, construction and energy transition customers. API 5L, API 5CT, DVGW, KIWA, DNV GL, Lloyd's Register and Bureau Veritas certified.
- Mannesmann Grossrohr Spiral-welded large-diameter pipes achieving highest requirements for diameter accuracy, ovality and straightness, manufactured with delivery times from 6 weeks thanks to own material supply. Serves construction, infrastructure, water pipelines and offshore applications.
- Mannesmann H2ready® Steel pipes specifically developed and certified for the transport and storage of hydrogen, designed to exceed requirements of major guidelines and standards for maximum safety and long service life. Serves energy companies and hydrogen infrastructure developers.
- Mannesmann CO2ready® High-quality HFI-welded steel pipes designed for safe transport of large quantities of liquid or gaseous CO2, including in supercritical and dense-phase states. Serves carbon capture and CO2 sequestration infrastructure developers.
- Mannesmann NH3ready Steel tubes designed for ammonia transport and storage applications as part of energy transition infrastructure. Serves hydrogen carrier and ammonia logistics customers.
- Drilmax® Drill Pipes Drilmax® drill pipes designed for the deepest drilling applications with specialised high-strength material properties. Serves oil and gas drilling and mining customers.
- Mannesmann Premium Line Pipe Premium line pipe product with enhanced quality specifications for demanding pipeline applications. Serves oil and gas and infrastructure customers requiring enhanced pipe specifications.
- Mannesmann MSH® Hollow Sections Mannesmann MSH® square, rectangular and circular hollow sections for structural applications in worldwide steel construction projects for sustainable and architecturally demanding infrastructure.
- Pipe Coating Services Value-added pipe coating services including MAPEC® 3-layer plastic coating (epoxy primer, adhesive, PE/PP top layer), Fusion Bonded Epoxy (FBE), galvanization to ISO 2081, cement mortar linings for drinking water pipes, Epoxy Flow Coat for gas line friction reduction, and Group O temporary corrosion protection. Serves all pipe customers requiring corrosion protection and hydraulic optimisation.
- Pipe Processing Services Value-added pipe processing services including cutting, machining and bending, plus logistics services for delivery to customer sites worldwide. Serves enterprise customers requiring project-specific pipe preparation.
Quantifiable outcome
- 20% higher strength with approximately 20% less weight using KSG1000 high-performance steel
- +3 more outcomes
Companies that use Mannesmann AG
Customer profileNamed customers2 records
Segments7 records
Ideal customer profiles5 records
Mannesmann AG technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature11 records
Mannesmann AG partnerships and signals
Strategic signalPartnerships
Eleven partnerships are on record, tiered core, major and minor.
- EWE AGcoreGreen hydrogen infrastructure partnership for hydrogen transport pipe development and deployment. Contributing to green hydrogen becoming reality.
- Salzgitter AGcoreParent company of the Salzgitter Group. Mannesmann operates as a leading network for steel pipe technologies within the Salzgitter AG group, benefiting from integrated raw material supply, research capabilities, and corporate resources.
- Salzgitter Mannesmann Forschung GmbHcoreIn-house research and development partner driving continuous advancement of Mannesmann pipe technologies including H2ready® technology development.
- Salzgitter Flachstahl GmbHcorePrimary raw material supplier for Mannesmann, providing high-quality steel coils produced via continuous casting, enabling short delivery times and consistent quality.
- Salzgitter Mannesmann HandelcoreGroup trading company for distribution of Mannesmann steel pipe products.
- Webco IndustriesmajorOver 20-year partnership between Mannesmann Precision Tubes and Webco Industries based on mutual respect and collaboration.
- NOV (National Oilwell Varco)majorPartnership for ZAPLOK® connection technology for line pipe products.
- Carl Hamm GmbHmajorPartnership for ZSM connection technology for line pipe products.
- VPS Verkehrsbetriebe Peine-SalzgitterminorRegional logistics partner for transportation of Mannesmann pipe products.
- Deutsche BahnminorRail logistics partner for sustainable transportation of Mannesmann products.
- Captrain DeutschlandminorRail freight partner for Mannesmann product logistics.
Scale indicators3 records
Recent moves6 records
Expansion highlights6 records
Mannesmann AG competitors and assessment
Company assessmentDirect peers
- Tenaris: Tenaris is a leading global manufacturer of seamless and welded steel pipe products for the oil & gas, energy, and industrial sectors, with strong positions in OCTG and line pipe. Closest direct competitor to Mannesmann Line Pipe and Mannesmann Precision Tubes in seamless/welded tubes and OCTG.
- Vallourec: Vallourec is a French-headquartered global leader in premium seamless tubular solutions for energy markets (OCTG, line pipe) and industrial applications. Directly comparable to Mannesmann in seamless steel tubes, OCTG certifications (API 5CT/5L), and transition into hydrogen/CO2 markets.
- Tubacex: Tubacex is a Spanish manufacturer of seamless stainless steel and high-alloy tubes for energy, petrochemical, and industrial markets. Comparable to Mannesmann in seamless tube production, energy-sector certifications, and focus on demanding industrial applications.
- Benteler International: Benteler is a German-based manufacturer of steel tubes, automotive components, and engineered products, with a strong European automotive customer base. Directly comparable to Mannesmann Precision Tubes in precision steel tubes for automotive drivetrain and chassis applications.
Broad incumbents
- Salzgitter AG: Salzgitter AG is the parent company of Mannesmann and a major German steel and technology conglomerate. It operates Mannesmann as a division alongside other steel, tubes, and trading businesses, sharing raw material supply, R&D, and distribution. Direct comparable as integrated steel-pipe platform with energy-transition positioning.
- Nippon Steel Corporation: Nippon Steel is one of the world's largest steel producers with a comprehensive pipe and tube product portfolio for energy, construction, and industrial customers. Comparable to Mannesmann in scale, certifications (API, marine), and high-performance steel grades.
- ArcelorMittal: ArcelorMittal is the world's largest steel producer with downstream pipe and tube operations, including automotive flat products and tubular solutions. Comparable to Mannesmann as a broad incumbent with automotive-grade steel supply and a European production footprint.
- voestalpine: voestalpine is an Austrian steel and technology group with a substantial special steel and tube business serving automotive, energy, and railway customers. Comparable to Mannesmann in precision steel tubes, automotive drivetrain materials, and European industrial customer base.
- Tata Steel: Tata Steel is a large global steel producer with pipe and tube product lines serving construction, energy, and automotive markets. Comparable to Mannesmann in steel pipe and tube manufacturing scale, certifications, and global customer footprint.
Emerging players
- Sandvik: Sandvik's materials technology division produces advanced stainless tubes and high-alloy materials for energy and industrial customers. Comparable to Mannesmann in advanced materials for hydrogen and demanding industrial applications, though focused on higher-alloy niche.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat6 records
Key risks6 records
Key highlights7 records
Customer concentration
Mannesmann AG social profiles
Digital presenceMannesmann AG compliance and trust
Trust signalCompliance21 records
Mannesmann AG financial estimates
Financial estimateRevenue estimate
Valuation estimate
Mannesmann AG leadership team
Management profileNumber of profiles
Profiles15 records
Mannesmann AG subsidiaries and ownership
Company hierarchySubsidiaries8 records
Mannesmann AG funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Mannesmann AG M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Mannesmann AG
What does Mannesmann AG do?
Mannesmann AG manufactures and sells seamless and welded precision steel tubes, HFI-longitudinally welded line pipes, spiral-welded large-diameter pipes, and hot-finished seamless steel tubes through three core operating subsidiaries (Mannesmann Precision Tubes GmbH, Mannesmann Line Pipe GmbH, Mannesmann Grossrohr GmbH). The portfolio includes specialty branded products for hydrogen (H2ready®), CO2 (CO2ready®), ammonia (NH3ready), high-pressure applications, drill pipes (Drilmax®), and advanced coatings (MAPEC®, MW-protect®, FBE, galvanization, cement mortar), serving automotive, oil and gas, construction, water utilities and energy transition infrastructure markets.
Is Mannesmann AG a public or private company?
Mannesmann AG is a private company. It is classified as corporate owned and is currently operating.
When was Mannesmann AG founded?
Mannesmann AG was founded in 1890. It employs 5,001 to 10,000 people.
Where is Mannesmann AG based?
Mannesmann AG is headquartered in Düsseldorf, Germany, in the Europe region.
How does Mannesmann AG make money?
Two revenue lines are on record. Steel Pipe and Tube Manufacturing is the primary driver. The others are pipe Processing Services.
Who are Mannesmann AG's main competitors?
Direct peers on record are Tenaris, Vallourec, Tubacex and Benteler International. Broad incumbents are Salzgitter AG, Nippon Steel Corporation, ArcelorMittal, voestalpine and Tata Steel. Sandvik is listed as an emerging player.
Does Mannesmann AG have an API?
No public API is recorded for Mannesmann AG.
What industry is Mannesmann AG in?
Mannesmann AG's product category is Steel Pipe Manufacturing. Its primary akta.pro industry code is IMAKABAI, Pipe & Tube Manufacturing (Seamless & Welded OCTG/Line Pipe/Structural Tube), with a secondary code of IMADALAC, Pipes & Tubing (Metal, Plastic & Composite). Its NAICS code is 33121 and its SIC code is 3317.