The naval sector (military and merchant) concentrates the largest structural welds in industry — hull stringers, watertight bulkheads, decks. Marine fatigue-corrosion calls for systematic improvement on critical zones. HFMI and needle peening are the dominant processes.
Naval Group · Fincantieri · Damen · DCNS — IACS · DNV · ABS · Lloyd's
Naval
& Marine
Industries — Naval & Marine
HFMI of hull longeron welds, needle peening of submarine structures, shot blasting of shipyard fabrication. Marine corrosion-fatigue resistance. IACS, DNV, ABS, Lloyd's Register, NR 216 compliant.
Processes applied in this sector
NADCAP
cold working
BACC 5060 · ABP1-4100 · MIL-HDBK-516
hfmiHigh Frequency Mechanical Impact
IIW 2016 · DIN 50100 · EN ISO 9013
needle-peeningneedle peening
DIN EN 1011-2
shot-blastingshot blasting
SSPC-SP · ISO 8501-1
Clients & OEMs (examples)
Naval Group · Fincantieri · Damen · DCNS · Huntington Ingalls · BAE Maritime · Hyundai Heavy Industries
Standards & specifications
IACSDNVABSLloyd's RegisterNR 216
Common industry challenges
- ▸ fatigue structures coque
- ▸ corrosion sous-marine
- ▸ fissures soudures longerons
- ▸ entretien mi-vie
Context and positioning
Context and positioning
Typical operations
Typical operations
HFMI on hull-stringer welds
High-strength low-alloy steels on merchant and military ships.
Needle peening on internal compartment welds
Confined zones — needle peening for accessibility.
Shot blasting in shipyards
Surface preparation prior to marine painting.
Cold working on high-performance aluminum structures
Fast ships, submarines — service-life extension.
OEM standards and specifications
OEM standards and specifications
- ▸ IACS — International Association of Classification Societies
- ▸ DNV, ABS, Lloyd's Register, Bureau Veritas
- ▸ NR 216 — French naval warfare
- ▸ IIW 2016
Why Kronos in this sector
Why Kronos in this sector
Shipyard intervention. Capability to operate in dry docks, wet docks and naval ports. References with Naval Group, Fincantieri, Chantiers de l'Atlantique.
Frequently asked questions
Frequently asked questions
Do you operate on ships under construction?+
Yes. Integration into the production flow at shipyards, with quality documentation compliant with classification societies (DNV, ABS, Lloyd's).
A project in
Naval?
Naval?