Our competences
Your advantage:
quality and diversity

More than just steel

The BUHLMANN Group’s range of stock is characterised by a variety of materials – from simple carbon steels to high-alloy stainless steels. Our capacity – which amounts to more than 65,000 tonnes of steel – is constantly being expanded, giving us the opportunity to react to short-term queries and customer demands quickly and flexibly. In doing so, quality management and the customer are always our top priorities. Our excellent network of verified purchasing and distribution channels is just one of many areas in which the BUHLMANN Group excels.

Our strengths:

  • international material procurement which complies with international guidelines
  • approval procedures for new suppliers in accordance with internal guidelines and in cooperation with large companies
  • supply chain procurement for bulk purchasers
  • materials testing
  • materials investigations in cooperation with testing organisations
  • certification and approvals in accordance with international standards and guidelines

In order to meet the demands of our partners and customers, each service and process is regularly inspected and evaluated as part of our quality management system. What’s more, BUHLMANN relies on environmental standards in that our sustainable management takes on responsibility when it comes to environmental requirements.

Produkte | Stahlrohre


Power – Brand Tubes, Fittings and Flanges for Steam Boiler Engineering

As a full-service provider, the BUHLMANN Group can supply its customers with high-quality boiler tubes which are able to withstand high temperatures and pressures, in all materials used in power generation plants.

BUHLMANN PowerGen brand is conceived exclusively for the BUHLMANN Group and is coordinated to comply with current steam boiler engineering regulations, such as VGB 109R, EN 12952 and EN 13480, in fulfilment of the Pressure Equipment Directive (PED). We offer our customers seamless alloy and non-alloy boiler pipes under the BUHLMANN PowerGen brand name.

Our PowerGen boiler tubes are subjected to extensive material testing procedures according to the latest VGB 109R specifications. The results of these tests, which include tensile- and notched bar testing as well as ultrasonic transverse flaw testing testify to BUHLMANN PowerGen’s ability to completely fulfil the most important demands placed on tubes in the construction of new power stations.

With the addition of BUHLMANN PowerGen to the stock range, the BUHLMANN Group demonstrates its outstanding competence as a service and supply partner for power plant construction.

Projects – Complete Project Management

Comprehensive project management, from planning to logistics, is an integral part of our customer-oriented value-added chain. In particular, we coordinate the affected partners on the clients’ and manufacturer’s side when it comes to technical support. Our business areas are divided into the following sectors: planning; project development, construction supervision and project implementation; production and construction.

Upon request, the BUHLMANN Group can take over the complete management of turnkey projects: from planning, to the complete laying of pipeline systems in chemical and power plant construction to further support. Our highly-qualified teams take care of budget calculation, material supply and final documentation. Providing engineering services and assembly works forms just as big a part of our scope of services as the processing, coating and procurement of custom-made products according to unique customer specifications.

NON FERROUS – Aluminium, Copper, Brass, Copper Nickel and more

For 75 years, BUHLMANN has been known for steel tubes, fittings and flanges. Now it is time to extend the premium service our clients are used to towards non ferrous materials. Meeting your demands for copper, aluminium, brass, copper-nickel and steel: Rely on BUHLMANN’s Non-Ferrous experts to supply you with premium materials for your projects.

In addition, we have also extended our scope of supply for steel products. Therefore, we now supply almost all kind of steel plates as well as profiles and beams in carbon, alloy and stainless steel. Of course, we also offer the full scope of additional processing, like shotblasting and priming, additional tests or 3rd party inspections. Questions or demands? Send us a mail: nonferrous@buhlmann-group.com

Special Materials – Nickel-Alloys, Titanium, Zirconium and more

The Competence Centre Special Materials bundles BUHLMANN’s experience in the field of special materials. The premium trading house reacted to the increasing demand as early as 2014 and since then offers its customers all kinds of special materials, such as duplex, titanium alloys and nickel-based materials. Whether in seamless, welded and forged tubes or in connecting parts, flanges and machined special parts – BUHLMANN is broadly positioned. In addition, the team members are available to the company’s sales departments for technical support within the scope of individual projects and looks after various suppliers’ key accounts.

Engineering – Engineering Services from a Single Source

In addition to pipework planning and calculation, planning and development also involves jobs such as designing and producing pressure vessels and storage containers, supervising construction, managing construction and carrying out schedule planning for construction sites. Project implementation involves material procurement as well as the global delivery and assembly of complete pipework systems and plant parts. Internal turbine piping is also produced and assembled.

Qualified teams made up of experienced engineers, head fitters, welders, pipe fitters and metalworkers – together with a carefully-implemented quality management system – ensure that process sequences run smoothly. The BUHLMANN Group has all the workshop facilities, machines and tools required for professional production which is in line with current international standards.

Industrial Technology & Mechanicals – Pipes, Fittings and Flanges, Plates and Round Bars

BUHLMANN INDUSTRIE TECHNIK traditionally supplies customers in the fields of technical building equipment, refrigeration and air conditioning technology, sprinkler construction and water technology. To this end, we have a portfolio of seamless and welded pipes and associated fittings and flanges on board. We also support customers in plant engineering, the food industry, water treatment and many other sectors with stainless steel in various designs.

At BIT, we see it as our mission to supply you with all product needs that arise in addition to the usual pipe requirements. From simple screws to complete assemblies, we are happy to support you. We offer a wide range of products for machine, plant and tank construction, as well as vehicle parts, agricultural machinery and tool technology. We also offer solutions for customers in the construction industry, particularly for bridges, cranes, anchorages, and buildings.

Our extensive range of services also includes the mechanical processing of pipes, blasting and sawing work as well as the manufacture of complex components according to customer requirements.

  • Seamless and welded boiler tubes
  • Seamless and welded stainless steel tubes
  • Seamless and welded hollow sections (round and square)
  • Associated fittings and flanges
  • Fittings, ball valves, BSP fittings in stainless steel
  • Precision and hydraulic pipes
  • Heavy wall and axle support tubes
  • Pipe couplings
  • Round and flat steel
  • Screws
  • Plates
  • Beams
  • Laser and flame cutting (plate and pipe)
  • Water jet cutting
  • Chamfering, edging, drilling, CNC processing
  • Blasting and coating

Nuclear – Products, service, quality assurance

With our many years of experience, good reputation and purchasing power, the BUHLMANN Group offers the know-how and access to manufacturers suitable for deliveries of material in the nuclear sector, among others according to RCC-M and EN + special requirements. Our nuclear team of nearly 30 people includes commercial and technical staff, as well as experienced and trained inspectors who perform international inspections specific to nuclear components.

BUHLMANN offers a complete package of services so that you receive innovative solutions from a single source: fully integrated supply chains including plate mills, welding consumables suppliers & testing laboratories, project & documentation management, high-performance storage & logistics systems and technical material consulting.


Process – Perfect Pipes, Tubes, Fittings and Flanges for Chemical Plant Construction

BUHLMANN’s high-quality ChemTec brand range is characterised by its resistance to corrosion from aggressive substances such as acids and its suitability for use under increased temperatures and pressures. The welded austenitic stainless steel pipes and tubes pursuant to DIN EN 10217-7, welded carbon steel pipes pursuant to DIN EN 10217-2 and flanges pursuant to DIN EN 1092-1 reliably fulfil all technical and chemical standards of the chemical industry. This range of pipes and tubes is able to accommodate many of our customers’ specific requirements from a single source.

BUHLMANN ChemTec was specially developed for chemical plant construction and is produced exclusively for the BUHLMANN Group. The system complies with the requirements of EN 13480 in fulfilment of the Pressure Equipment Directive (PED).

Our range not only fulfils current European standards but also satisfies previous national standards and regulations. This means that BUHLMANN ChemTec pipes and tubes are not only suitable for use in new constructions but also for effecting problem-free repairs to existing industrial chemical facilities.

Oil & Gas – Pipes, Fittings and Flanges for the Oil and Gas Industry

In addition to welded and seamless steel pipes, the oil and gas industry also uses fittings and flanges. These must be able to demonstrate high resistance to corrosion, as well as be able to withstand high pressures.

The BUHLMANN Group offers its customers a range of products for this market which is just as tailor-made as it is high-quality. It does so with a particular focus on the safety, reliability and longevity required for the materials used. Our products correspond to both current international (API) and European (EN) standards and are used, among other things, for the transport and storage of oil and gas.

OFFSHORE CONSTRUC­TION – Pipes, Fittings and Flanges for the Offshore Market

The BUHLMANN Group has the know-how necessary to provide your customers with needs-based advice in the OFFSHORE CONSTRUCTION sector, and offers tailor-made solutions from across a wide range of pipes, pipe fittings and pipe accessories. With the BUHLMANN Group, you have a competent partner at your side who provides you with support when it comes to selecting the suitable materials for both topside and downside applications.

VALVES – Everything for every need

Valves are also part of the BUHLMANN Group portfolio. With their great expertise, our dedicated valve experts offer assistance to our customers for their projects, MRO or day to day needs or during Turn Arounds. Our valves teams in the Netherlands, Spain, Belgium and from Lockwood Partners in the USA will guarantee the supply and distribution of valves and accessories. We offer the supply of a broad range of valves from leading manufacturers as well as solutions for the automation of valves. Our high quality stocks in Europe and the United States meet the specific requirements of our customers.

GEOTHERMAL ENERGY – Independent and sustainable Project Management

With over 75 years of experience in the steel industry we support you with customized solutions for your geothermal projects. Precisely tailored to your requirements, we offer all API standard and special dimensions (certified to API 5CT standard). Let your project benefit from our expertise in planning and consulting – from the budget phase to project realization.


  • On-site support from field service specialists
  • Cooperation with recognized test laboratories
  • API Monogram certified manufacturers
  • 136,000 m² of storage space with a capacity of over 65,000 tons
  • Development and implementation of logistics and storage concepts
  • Storage of materials in accordance with API RP 5 C1 requirements
  • Broad European network of license holders for threads


Brand Tubes, Fittings and Flanges for Steam Boiler Engineering
Complete Project Management
Aluminium, Copper, Brass, Copper Nickel and more
Special Materials
Nickel-Alloys, Titanium, Zirconium and more
Engineering Services from a Single Source
Industrial Technology & Mechanicals
Pipes, Fittings and Flanges, Plates and Round Bars
Products, service, quality assurance
Perfect Pipes, Tubes, Fittings and Flanges for Chemical Plant Construction
Oil & Gas
Pipes, Fittings and Flanges for the Oil and Gas Industry
Pipes, Fittings and Flanges for the Offshore Market
Everything for every need
Independent and sustainable Project Management


Exklusive Webshop
and Live Tracking

You want to order online without having to search for the right product?
Use our exclusive Webshop:

  • Custom Service: Products and specifications individually tailored to your needs
  • Full service provider: The complete BUHLMANN stock is available
  • Live stocks: See how much of the product is still in stock
  • Large product variety: More than 40,000 items are available online
  • Direct interface: Efficient process flow by linked systems
  • Process optimization: Shorter distances, faster delivery

You want to know when your material leaves our warehouse and when it arrives at your site?
Our live tracking provides the answers:

  • Specific assignment: You receive your individual shipment number
  • Complete transparency: As soon as the goods leave the warehouse, the shipment can be tracked
  • Immediate information: Automatic e-mail notice at the start of the shipping process
  • Track smaller shipments of goods: Tracking interface with our parcel service provider
  • Tracking large shipments: Interface with our in-house shipping partner Brinker-Fetten
  • Extensive overview: Order status can be viewed in the customer portal
  • The portal also offers: Invoices, delivery bills, certificates and more

You want to get to know us better digitally? Then take a look at the BUHLMANN Port!
There you will find the following:

  • Product and service portfolio: We show you, similar to a trade fair, our variety and services.
  • Webinars: In the conference area dock, we regularly offer you exciting technical presentations by internal but also external experts
  • Career portal: We show you what we are like as an employer
  • Information: Read our latest customer magazine GLOBAL or some of our success stories
  • Company history: Take a close look at over 75 years of BUHLMANN

With global presence to success

highly motivated employees

We represent quality –
in every sector

Our Products

The quality of the BUHLMANN Group’s range is unparalleled. Every millimetre of our steel pipes, fittings and flanges is inspected and tested. This means that BUHLMANN is able to guarantee its customers flawless, high-quality materials. As soon as goods are received, we ensure their quality through dimensional inspections, labelling tests, certificate inspections and spectral analyses. What’s more, in cooperation with our long-term partner MT Laboratories GmbH – located on BUHLMANN company premises in Duisburg – we can carry out additional materials testing and acceptance tests:

  • Tensile tests and hot tensile tests
  • Notch impact tests
  • Hardness testing
  • Technological tests
  • Ultrasonic tests
  • Magnetic particle testing
  • Dye penetrant inspections
  • Chemical product analyses
  • Metallographic examinations
  • Corrosion tests

All materials investigations can be certified by MT Laboratories GmbH or, upon request, by any other certification and classification company.

Our Products

Our Suppliers

The BUHLMANN Group makes use of reliable purchasing channels to procure products which are adapted to meet the needs of its customers. This efficiency means that materials which comply with all standards and which represent all levels of quality can be delivered at short notice without delays. The BUHLMANN Group constantly evaluates its suppliers in order to guarantee high levels of quality. In doing so, the incoming goods inspection has been expanded, meaning that all quality characteristics can be guaranteed at the very beginning of the value-added chain. Additional materials testing and materials investigations are carried out in cooperation with MT Laboratories GmbH.

All certification and classification companies which act as partners to the BUHLMANN Group are accredited:

Our Quality Management

At the BUHLMANN Group, quality and environmental management as well as occupational health and safety are closely related with one another. As a result, our processes are constantly being improved, and all sites are regularly subjected to audits. The expanded incoming goods inspection process, the continuous evaluation of suppliers and customer satisfaction analyses also form part of our QEHS management.

What’s more, the BUHLMANN Group places emphasis on dealing with the Earth’s resources in a responsible manner, meaning that we pay attention to reducing quantities of waste and properly disposing of said waste, recycling metals and packaging materials, promoting energy-saving concepts and handling resources in a considerate manner.

At the BUHLMANN Group, occupational heath and safety are also important aspects of quality. Here, we rely on tried and tested processes to recognise, evaluate and minimise safety risks, and provide for occupational medical and safety-related care to be carried out by qualified specialists. Employees are heavily involved when it comes to improving our working conditions to be more ergonomic.

As a company which operates on a global scale, the BUHLMANN Group has all the relevant approvals and certifications. The BUHLMANN Group was the first steel trading company to achieve triple certification for quality management, environmental protection and occupational heath and safety.

Our CertiFicates

Code of Conduct

The BUHLMANN Group’s Code of Conduct establishes binding guidelines for the behaviour of all employees when it comes to dealing with customers, suppliers and colleagues. Our company feels particularly obligated to the principles of fair competition, cooperative trade and the fight against corruption.

Code of ConduCT

Our Products
Our Suppliers
Our Quality Management
Code of Conduct

Long-term Relations

The quality of customer relations determines the success of an enterprise. Therefore, we do not only offer premium quality products and services. We also offer the same standards regarding the interaction with our clients. Loyal, long-term, and true to life is how we do business – and we’d like to express our gratitude towards customers and partners for rewarding our customer engagement with your trust.