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Navy/USMC

HII Gets Approval To Use Some 3D Printed Parts On Carriers And Subs

Thursday, March 9th, 2023

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HII Gets Approval To Use Some 3D Printed Parts On Carriers And Subs

Examples of HII Newport News Shipbuilding pipe fittings produced via additive manufacturing (Photo: HII)

Naval Sea Systems Command (NAVSEA) recently gave HII’s Newport News Shipbuilding (NNS) [HII] approval to use some 3D-printed parts, also called additive manufacturing, on aircraft carriers, submarines and other platforms. This latest certification will allow the company to use additive manufacturing to fabricate pipe fittings and potentially other components. Specifically, HII said this is for stainless steel (316/316L grade) additively manufactured pipe fittings. NNS spokesman Todd Corillo told Defense Daily while the latest approval is related to a specific fitting…

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