Tenaris and IGI Poseidon, a joint venture between DEPA International Projects and Edison S.p.A., have partnered to advance hydrogen transportation via ultra-deep offshore pipelines. The collaboration focuses on addressing the challenges of conveying hydrogen under severe conditions and ensuring the economic competitiveness of transmission costs. Hydrogen is increasingly seen as a vital component in the shift towards a low-carbon future, offering a clean alternative to traditional energy sources. However, its tendency to embrittle steel under specific conditions poses a challenge that must be overcome. IGI Poseidon and Tenaris are conducting qualification testing for offshore high-pressure pipelines to advance infrastructure development. The partnership combines expertise in energy infrastructures and pipe technology. The joint initiative, commencing in 2024, includes testing high-strength material (X70) and girth welding under high-pressure conditions, simulating the transport of pure hydrogen. This testing is essential for defining operational conditions for hydrogen readiness. By leveraging advanced materials technology and R&D capabilities, the collaboration aims to support the development of next-generation hydrogen transportation networks. The joint effort involves specialized laboratories in Italy and the U.S. to conduct fracture toughness testing on the materials under varying pressure levels up to 330 bar. The results of these tests will play a crucial role in determining the impact of increased pressure on pipeline transportation of 100% hydrogen. The preliminary outcomes of the qualification testing are expected to be shared in 2025, demonstrating a significant step towards realizing a sustainable energy future in line with Europe's climate objectives.