Hydro invests in aluminium joining capabilities

Norwegian aluminium specialist Hydro is investing to raise its competence in the joining of dissimilar aluminium alloys and multimaterials for marine and offshore structures.

“Welding dissimilar metals can add value – lightness, thermal difference – in the construction of offshore structures, but there is still much to learn, so research in this area can lead to great gains across many industry sectors,” says Marijn Rietveld in Hydro’s offshore and marine market team.

The new equipment, including a MIG/TIG welding robot, is already in operation at the research laboratory in Finspång. With Swerea, a Swedish research group for industrial renewal and sustainable development, Hydro is also going to participate in research projects that involve laser welding, riveting, resistant spot welding and adhesive bonding.

Swerea KIMAB in Stockholm is investing in new equipment, and Hydro will be able to carry out significant testing on this equipment at KIMAB’s lab as part of a five-year agreement. Practical research in material joining Hydro started its first projects with the new equipment in late March. Testing will cover the weldability of both common and tailored aluminium alloys, such as the 5083 marine-grade alloy for waterline applications.  “With our new offering to customers based more on solutions than on individual parts, we need to complement our theoretical competence with greater practical competence,” says Rafael Fuertes, senior vice president responsible for strategy and innovation for Hydro’s Extruded Solutions business area.

Visit Hydro Extrusion UK at Seawork International 2018 on stand PB55.

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