Marine

Specialist anti-corrosion coatings and in-house pre-treatment for marine components, engineered for long-term performance in the harshest marine environments.

Our finishes protect critical parts against persistent saltwater exposure and corrosion, helping extend service life and maintain performance at sea.

A large boat or cruise ship docked at a harbor during twilight, with city lights visible in the background and calm water reflecting the scene.
≈

Finishing built to survive the ocean

Marine components operate in one of the most corrosive environments on earth. Our specialist coatings and conversion processes are engineered to withstand persistent saltwater exposure, moisture and harsh operating conditions — protecting critical surfaces, extending service life and maintaining performance without compromising dimensional tolerances or component integrity.

  • Saltwater-resistant finishes

  • Anti-corrosion coating systems

  • NACE inspection

  • Long-life protection

  • Full batch traceability

A large, gray military warship sailing on the ocean during cloudy weather.
AS
9100
NAD
CAP
NACEUKAS
AccreditedApproved to recognised quality standards

Marine finishing processes

The processes we most commonly apply for marine customers.

  • A cartoon drawing of a television with a coffee mug in front of it.

    Specialist coatings

    IRR & CARC, Z307 & Z306 and antibacterial coating systems applied to aerospace specification.

  • Travel bag with a front zipper pocket and handle on top

    In-House Pre-treatment

    Surtec 650V & Iridite NCP to MIL-DTL-5541F Type 1 (Class 1 & 3); Alocrom/Alodine to Type 2.

  • Blank clipboard with checklist and checkmark

    Quality & inspection

    Documented checks against specification, with process sheets following every order through the shop.

Specifications & approvals

Nortam doesn't sell packages — so this slot carries the proof a marine buyer actually needs.

Approvals held

Independently audited and maintained

  • AS9100 rev D — aerospace quality management

  • NADCAP — special process accreditation

  • JOSCAR — defence supplier registration

  • NACE — corrosion inspection

  • Customer-specific approvals on request

Typical aviation specifications

Processes routinely released to

  • Def Stan 80-225

  • Def Stan 80-161

  • Def Stan 21-005

  • Def Stan 80-56

We're here to help

Not sure which process your drawing calls for? Send us the spec and our team will advise.

Other industries

Partner with us on your next marine programme

Decades of finishing expertise, applied to the standards your sector demands.

  • 70+ years' expertise

    Combined experience across the finishing industry.

  • Aerospace accredited

    AS9100 and NADCAP approved processes.

  • IRR & CARC coatings

    Specialist protective coating systems.

  • Full traceability

    Process sheets follow every single order.