Naval Defense
Critical Metal Castings For Naval Defense Applications
Metal components used in Naval defense applications must perform reliably in some of the world's most demanding environments. MetalTek supplies engineered cast components for submarines, surface combatants, aircraft carriers, and other marine defense platforms, combining advanced alloy expertise with manufacturing processes designed for strength, durability, and long-term performance. Our material capabilities include corrosion-resistant copper-based alloys, specialty stainless steels, nickel alloys, and NAVSEA-qualified HY-80 steel for critical applications.
With capabilities spanning centrifugal casting, investment casting, and sand casting, MetalTek produces components for propulsion systems, pumps and valves, fluid-handling equipment, structural assemblies, and other mission-critical naval applications. Backed by certifications and approvals that include ISO 9001, AS9100D, NADCAP-accredited processes, and NAVSEA qualifications, MetalTek helps Naval defense programs meet rigorous requirements for quality, traceability, and reliability.
For decades, MetalTek has supported maritime defense programs with metallurgical expertise, proven manufacturing capabilities, and a commitment to producing components that help keep Naval fleets operating around the globe.
Learn More About HY-80 Steel
HY-80 offers high strength, toughness, and corrosion resistance for defense applications.
Naval Defense Gallery
MetalTek provides products for Naval defense applications.
Typical Naval Defense Products
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Bearing shells
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Clutch winch drum assemblies
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Controllable pitch propeller hubs
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Hatch rings
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Forming mandrels
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Pump and valve components
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Seal housings
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Shaft sleeves / shaft liners
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Thrust manifolds
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Turbopump housings
Typical Naval Defense Applications
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Aircraft loading system
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Autonomous / unmanned vehicles
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Bomb racks
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Fluid handling
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Naval Nuclear
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Ship-to-ship material transfer
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Steering systems
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Submarine propulsion
Certifications And Compliance
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Aerospace AS9100D (QMS)
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HY-80 to NAVSEA Technical Publication T9074
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International Traffic In Arms Regulations (ITAR)
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ISO 9001:2015 (QMS)
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Mil Standard 248 (welding)
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MIL-I-45208A
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Nadcap - Fluorescent Penetrant Inspection (FPI)
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Nadcap - Heat Treat
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Nadcap - Materials Testing
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Nadcap - Weld Upgrade
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Nadcap - X-ray
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NAVSEA Technical Publication S9074-AQ-GIB-010/248
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NAVSEA Technical Publication S9074-AS-GIB-010/271
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NAVSEA Technical Publication S9074-AR-GIB-010/278
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The confidential nature of the defense industry prevents MetalTek from disclosing images of many of the components that we manufacture. MetalTek produces shaft sleeves, valve components, propeller hubs, and many other metal casted parts. Below is a breakdown of the metal castings that we provide.