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This paper details the development of Hiduron® 220 (formerly Marinel 220), focusing on how the microstructure is controlled to achieve optimum mechanical properties.

Hiduron® 220 improves on Cu-Ni-Sn alloys, particularly in its resistance to hydrogen embrittlement and stress corrosion cracking.

Scanning electron micrograph of a fracture face from a slow strain rate tensile specimen