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H sections
European sections
H section range
- HE: European wide flange beams
- HD: European wide flange columns
- HL: European extra wide flange beams
- HLZ: European extra wide flange beams
- HP: Wide flange bearing piles
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ProductEuropean U Sections
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Technical information
HE: European wide flange beamsDimensions: HE A, HE B, and HE M 100 - 1000 in accordance with EN 10365: 2017 HD: Wide flange columnsDimensions: HD 260 - 400 in accordance with EN 10365: 2017 HLZ: European extra wide flange beamsDimensions: in accordance with EN 10365: 2017 HL: European extra wide flange beamsDimensions: in accordance with EN 10365: 2017 HP: Wide flange bearing pilesDimensions: in accordance with EN 10365: 2017
Wide range of dimensions & steel grades
H sections are wide flange steel shapes used for the construction of buildings and almost any type of general or special structures, bridges, and machines. They are particularly suited for columns, flooring (composite and slim-floor), castellated beams, trusses, and bridge applications. ArcelorMittal offers the widest range of dimensions in standard and high strength steel grades for H sections.
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Related news and technical articles
XCarb® beams lower the carbon emissions impact of the DREAMERS demonstration project in Italy
10 December 2024Born from a bold vision of innovation, the DREAMERS project was launched in 2022 by the University of Salerno (UNISA) to bring the groundbreaking FREEDAM (FREE from DAMage) connections to life in a real-scale setting. FREEDAM connections (developed within the wider FREEDAM European research programme) are connections with sufficient capacity to accommodate high deformations imposed by extreme seismic events without suffering damage to the fundamental components. These joints have frictional shock absorbers to dissipate induced seismic energy.
Project newsA new XCarb® recycled and renewably produced route is now available from Poland
23 September 2024Poland has been one of the founding markets for the Steligence® approach, a holistic construction proposal that considers a building as a whole, breaking down barriers between apparently competing aspects such as flexibility, economics, sustainability, and creativity. Steligence® fosters solutions for a project from its very beginning with the right material at the right place in a way that also encourages the lowest carbon footprint. XCarb® recycled and renewably produced, made from recycled scrap with 100% renewably produced electricity, complements the Steligence® approach.
Product newsConnections made of jumbo and super jumbo steel shapes: a practical guide
28 May 2024ArcelorMittal, a leading global producer of steel shapes used in construction, created this handbook that brings together advice and information on connecting jumbo and super jumbo steel shapes in building structures not subject to seismic loading. It is aimed at designers, offering them insights into international best practices and additional resources beyond those of typical European and American building standards.The handbook draws heavily from the ECCS (European Convention for Constructional Steelwork) book ‘Joints in steel and composite structures,’ which focusses on structural connections and covers topics such as how to design, fabricate, and assemble these connections.
Technical article
XCarb® beams lower the carbon emissions impact of the DREAMERS demonstration project in Italy
Born from a bold vision of innovation, the DREAMERS project was launched in 2022 by the University of Salerno (UNISA) to bring the groundbreaking FREEDAM (FREE from DAMage) connections to life in a real-scale setting. FREEDAM connections (developed within the wider FREEDAM European research programme) are connections with sufficient capacity to accommodate high deformations imposed by extreme seismic events without suffering damage to the fundamental components. These joints have frictional shock absorbers to dissipate induced seismic energy.
Integrating advanced standards
The DREAMERS project places a significant emphasis on seismic resilience, while also integrating advanced standards in architecture, sustainability, and mechanical/electrical systems. This is where ArcelorMittal’s low carbon emissions steel, XCarb® recycled and renewably produced, plays a crucial role, promoted by the Steligence® team. Currently under construction, the three-storey, 400-square-metre resilient steel building is designed as a Nearly Zero Energy Building (NZEB) and incorporates several advanced structural features. The building will have 15 columns made with XCarb® recycled and renewably produced HEB400 profiles, but also slim floors by ArcelorMittal with Cofradal® slabs, as well as seismic-resilient moment-resisting steel frames equipped with FREEDAM friction dampers. These innovations ensure the structure's resilience and repairability in case of severe seismic events but also in case of other accidental events in the framework of a design for robustness. Additionally, the building incorporates seismic-resilient cladding and partition walls by KNAUF, featuring specialised disconnection details that allow for structural movement without damage.
Poised to become a benchmark
This project is poised to become a benchmark in Europe for the application of FREEDAM technology, promoting the adoption of advanced solutions in the development of modern, resilient steel structures. The mechanical/electrical systems and the claddings have been designed consistently with the targets fixed by the LEED construction and building protocol. Most recently, the DREAMERS project was awarded in the Best Design category during the gala dinner concluding the conference organised by the Collegio dei Tecnici dell'Acciaio (CTA) in Milan.
Text:ArcelorMittal Europe CommunicationsConstructalia Images:© ArcelorMittal Europe
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DREAMERS
CloseA new XCarb® recycled and renewably produced route is now available from Poland
Poland has been one of the founding markets for the Steligence® approach, a holistic construction proposal that considers a building as a whole, breaking down barriers between apparently competing aspects such as flexibility, economics, sustainability, and creativity. Steligence® fosters solutions for a project from its very beginning with the right material at the right place in a way that also encourages the lowest carbon footprint. XCarb® recycled and renewably produced, made from recycled scrap with 100% renewably produced electricity, complements the Steligence® approach.
Extending the XCarb® recycled and renewably produced range for a new project
In a recent project, the limits have been pushed further and a new route has been opened to a wider range of XCarb® recycled and renewably produced sections available for the Polish market. The story started at the end of 2023 when a Polish customer got in contact – through the Steligence® team – with ArcelorMittal’s Dąbrowa Górnicza mill to buy small UPN sections from the medium mill in XCarb® recycled and renewably produced, a product not previously available from this mill. The decision to offer this innovative solution and produce XCarb® recycled and renewably produced UPN220 in S235 grade was made quickly. This innovation required unusual supply chain and material processing from the mill and collaboration between mills in Warsaw and Dąbrowa Górnicza. The UPN sections were used to construct internal staircases and balconies around a building. The sections – together with a high volume of XCarb® recycled and renewably produced beams used for the structure in a range of sizes and grades that have been available worldwide since the launch of ArcelorMittal’s XCarb® initiative more than three years ago – contributed to reducing the carbon footprint of the construction. Thanks to this first order, the new route is now fully operational, allowing for the delivery of low carbon emissions steel from the Dąbrowa Górnicza mill.
Wire rod is also available in XCarb® recycled and renewably produced from ArcelorMittal mills in Poland
Traditionally, wire rod in Poland is produced via the Basic Oxygen Furnace (BOF) process in Sosnowiec. Responding to market needs, the team found a creative way to satisfy customers’ requirements by proposing wire rod with lower CO2 that is produced from billets from the steel plant in Warsaw and further rolled in Sosnowiec. The result: the final CO2 of the products was four times lower compared with the traditional route. For our customers, wire rod is a semi-finished product used to manufacture a wide range of final products (e.g., nails, mesh panels, springs, ropes, reinforcing wire, and fibres). Offering XCarb® recycled and renewably produced wire rod opens up a low carbon emissions production route for all of our customers with a wide range of applications. The first order for wire rod in XCarb® recycled and renewably produced (in LC Standard, grade SAE1015, diameter 5.5 mm) was booked for production in May 2024. XCarb® recycled and renewably produced billets have been ordered from ArcelorMittal Warsaw, enabling the rolling of wire rod in Sosnowiec in XCarb® recycled and renewably produced. Most recently, a new contract has been negotiated for XCarb® recycled and renewably produced wire rod from Sosnowiec rolled from billets produced in Warsaw: 150 tonnes of wire rod LC Standard, grade SAE1006, diameter 5.5 mm will be produced in the coming weeks.
Did you know?
Are you interested in sections or rebars instead? XCarb® recycled and renewably produced sections and rebars are also available from the ArcelorMittal mill in Warsaw. XCarb® recycled and renewably produced steel aims to reduce the carbon footprint of our customers’ projects. Produced with high levels of scrap and using only renewably produced electricity from solar and wind power sources (guaranteed through the European Guarantee of Origin system), XCarb® recycled and renewably produced steel has a global warming potential (GWP) that is far below that of traditional steel production in Poland.
Text:ArcelorMittal Europe CommunicationsConstructalia Images:ArcelorMittal Poland
Related link(s)
CloseConnections made of jumbo and super jumbo steel shapes: a practical guide
Published: 28 May 2024
ArcelorMittal, a leading global producer of steel shapes used in construction, created this handbook that brings together advice and information on connecting jumbo and super jumbo steel shapes in building structures not subject to seismic loading. It is aimed at designers, offering them insights into international best practices and additional resources beyond those of typical European and American building standards. The handbook draws heavily from the ECCS (European Convention for Constructional Steelwork) book ‘Joints in steel and composite structures,’ which focusses on structural connections and covers topics such as how to design, fabricate, and assemble these connections.
Optimising design and cost
This handbook provides guidelines for effectively designing, building, and assembling projects that involve large and exceptionally thick steel sections, known as ‘jumbo shapes’ and ‘super jumbo shapes.’ These shapes have flange thicknesses equal to or greater than 50 mm as defined by standards such as EN 10365 and AISC 360 (2016). Due to their size and thickness, special attention is needed when connecting these steel shapes to ensure safety and structural integrity. Steel is an anisotropic material, which means it has different properties depending on the direction in which it rolled. For hot rolled structural shapes, the best properties are found in the direction of rolling, and it is crucial to consider properties across the thickness of the material (through-thickness properties). This is especially important for welded connections, where improper planning can lead to weld strains surpassing the material's strength. Therefore, careful planning and coordination among project stakeholders – including design engineers, architects, fabrication shops, assemblers/erectors, quality control offices, and suppliers – are essential to create efficient connections. Throughout the stages of design, detailing, fabrication, and erection of a steel structure, there is room for optimising cost-effectiveness. Designers and detailers can work together to find the most efficient solutions, taking into consideration the capabilities of the fabricator. Prefabricating components in the workshop not only streamlines transport and installation on site but also influences the design of connection types, which can positively impact the project's costs. The more prefabrication done in the workshop, the higher the quality and cost-efficiency of the steel structures.
Design requirements and material specifications
Connections must be strong enough to support applied forces without compromising the structure's stability. They should be designed to:
- be robust enough to guarantee structural integrity
- minimise any additional effects on the structure
- allow for sufficient rotation
- be able to sustain cyclic loads where needed
Welded connections of jumbo and super jumbo profiles, especially those made from high strength steel, require specific expertise. This involves understanding the welding process and choosing appropriate steel materials, including filler metals. Welded connections, especially those experiencing tension and bending forces, need careful consideration. We recommend that designers consult ArcelorMittal's technical advisory department (steligence.engineering@arcelormittal.com) for guidance, especially when dealing with flange thicknesses exceeding 50 mm for ML sub-grade and 80 mm for M sub-grade steel.
Contents of this handbook
Chapter 1 discusses how choosing the right type of steel is crucial for ensuring the longevity of a structure. It provides guidance from ArcelorMittal on how to select the appropriate steel grade throughout the design process, from the initial stages to when the steel is used as a structural element. The chapter covers concepts like ductility, through-thickness properties, and material characteristics in detail. It also introduces the concept of fracture toughness and explains its importance. The chapter further delves into the methodology for selecting materials based on fracture toughness according to a specific standard, EN 1993-110:2005, particularly for components subjected to quasi-static compression loading. In Chapter 2, welded connections are detailed, starting from design code principles to the metallurgical perspective. It emphasises the importance of preparing jumbo beams before welding to ensure quality and minimise fabrication costs. The chapter discusses how steel's ductile nature doesn't necessarily translate into a ductile structure and explains the strategic placement of weld access holes. Additionally, it covers lamellar tearing, a type of cracking related to welding in the base material, and provides guidance on avoiding and detecting it. Various welding parameters such as welding processes, electrodes, heat input, and post-weld heat treatment are highlighted as crucial for executing proper welds and ensuring reliable connections. Chapter 3 classifies connections based on their structural role and the external loads they endure. It includes categories like connections subjected to tension and compression loads, beam and column splices, trusses, and beam-column connections. The chapter also showcases examples of actual structures utilising connections of jumbo shapes. Chapter 4 addresses the key factors influencing the connection of jumbo profiles, including architectural considerations, specifying the correct steel shape and grade, manufacturing processes, safety measures, and transportation requirements. The handbook is supplemented with several Annexes: Annex A presents an example of butt welding with H5 of HD 400 x 1299 (tf = 140mm) in HISTAR® 460, Annexes B and C detail proper steel specification for a column under axial and eccentric compression respectively to avoid brittle fracture, and Annex D provides a design example for a column splice of the bearing type with no net tension (HD 400 x 744 and HD 400 x 990).
Text:ConstructaliaArcelorMittal Global R&D Images:ArcelorMittal
Related link(s)
Connections made of jumbo and super jumbo steel shapes: a practical guide
Weld preparation of Jumbo Beams
Super Jumbos: Extra Heavy Section Sizes
Jumbo solutions for complex challenges: W14x930 and W14x1000
Close
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