Cooney Marine International Pioneers Marine Additive Manufacturing with 3D Printed 316 Stainless Steel
- Cooney Marine
- Dec 2, 2025
- 1 min read

We're thrilled to announce a significant leap forward for the maritime industry! Following unprecedented interest at the METS show last week, Cooney Marine is commercializing components made from 3D printed 316L Stainless Steel.
This isn't just an update—it's a revolution for MRO and shipbuilding:
Unrivalled Corrosion Resistance: The superior qualities of 316L are essential for harsh saltwater environments.
On-Demand Supply Chain: Say goodbye to long lead times for critical spares.
Optimized Design: Lighter, stronger, topology-optimized components.
As our MD, James Cooney, noted, the reception at METS was "the most interest we have ever had." The industry is ready for digital inventory and additive manufacturing.






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