Industrial & Marine Steel Fabrication in Melbourne

Kelly Steel are marine steel fabricators based in Dandenong, Melbourne. We fabricate structural steel components for ports, wharves, coastal platforms, and vessel-adjacent industrial sites across Victoria, from 316 stainless welded assemblies through to coated carbon steel structures built for long-term coastal exposure.

Marine steel fabrication requires more than cutting and welding. It requires material selection matched to the actual exposure, detailing that accounts for drainage and dissimilar-metal contact, and fabrication tolerances that hold up through transport and site installation. That’s what we do.

If your project is near saltwater (or in harsh industrial environments), you need more than cutting and welding. You need the right material selection, the right detailing, and a fabrication team that understands how marine parts behave once installed including tolerances, access for maintenance, and corrosion protection planning.

Materials that suit marine and coastal conditions

For many coastal and marine applications, grade selection isn’t optional; it’s the difference between “lasts well” and “constant maintenance.” We commonly work with:

316 stainless steel fabrication (marine grade)

Marine aluminium fabrication for coastal and moisture-prone environments

If your specification calls for marine grade steel or stainless as part of the solution, corrosion control should be considered early including:

contact between dissimilar metals (galvanic corrosion risk)

crevice points and water traps

how components will drain and dry after use

fastener and interface selection

access for inspection and maintenance

Marine work often succeeds or fails on these “small” details because salt exposure punishes design shortcuts.

Marine steel processing and fabrication capabilities

Marine parts can look straightforward on paper, then become complicated fast once tolerances, fit-up, and exposure are considered. Our capability is set up to produce parts that install cleanly and remain serviceable.

Precision cutting

Plates, brackets, stiffeners, cleats, and custom profiles for port and vessel-adjacent work. Consistent profiles reduce rework and speed up installation.

Forming and bending

Formed components for hull-adjacent structures, access platforms, walkways, handrails, and ladders — with predictable fit-up across batches.

Welding and fabrication

Assemblies built for dimensional consistency and repeatability. Practical detailing for how parts are installed, handled, and serviced in marine environments.

Surface treatment

Coating systems matched to coastal exposure and service life — aligned to ISO 12944. Covering surface prep, system selection, edge and weld detailing, and site touch-up.

Repeatable production runs

Sequenced delivery for ongoing maintenance and upgrades. Fabrication to drawings with a focus on fit-up, repeatability, and site practicality.

Why choose Kelly Steel as your marine steel fabricators

We are a fabrication business, not a supply-only operation. When you engage Kelly Steel for marine work, you get drawings-based fabrication, controlled production, and consistent part quality, the things that matter when steel is going into saltwater environments where rework is expensive.

  1. Melbourne Based
  2. Accredited Fabricator
  3. Marine Experience
  4. Engineer's Drawings
  5. Surface Treatment
  6. Detail Focus

We fabricate and supply steel components across Victoria

Visit our accreditation page for current certifications

Experience across ports, wharves, coastal platforms, and industrial marine sites

We work from engineer's drawings and deliver consistent fit-up across repeat batches

Coating systems matched to ISO 12944 exposure categories

We handle the details that fail first: drainage, crevice points, dissimilar-metal interfaces, fastener selection

Common industrial and marine applications we support

We support industrial and coastal scopes across:

If you want a local example of this type of scope, Kelly Steel’s Port of Melbourne case studies include structural steel work for wharf upgrades, platforms and access, including a marine-grade finish.

Talk through your industrial marine scope
Marine infrastructure steelwork platforms, ladders, walkways, handrails
Multi-dwelling/apartment buildings
What “marine structural” means in practice

Talk through your industrial marine scope

If you have drawings, specs, or a rough scope, send them through and we’ll help map the practical path: material choice, processing, fabrication approach, and how to reduce avoidable rework once the project hits site.

Marine & Industrial Steelwork FAQs

We’re based in Dandenong South and fabricate steel for marine and coastal projects across Victoria. For projects requiring on-site installation, we can also provide that as part of the wider service. If you’re outside Melbourne metro, contact us and we’ll confirm coverage for your location.

We handle structural and component-level marine steel fabrication, from port access structures and wharf platforms to walkways, ladders, handrails, and maintenance replacement parts. We work in 316 stainless, marine aluminium, and coated carbon steel depending on the exposure and specification. Jobs range from single custom components to repeat production runs for ongoing maintenance scopes.

Yes. We regularly fabricate 316 stainless and aluminium components for projects exposed to moisture and salt air, and we can help match the material choice to the environment and the spec.

Yes. We fabricate structural components and assemblies for industrial and coastal infrastructure, and we can support projects that need consistent fit-up and reliable installation sequencing.

Both. We take on large industrial scopes and smaller custom work, depending on drawings, timelines, and workshop capacity.

Yes. Repeat parts are common in industrial maintenance. Where possible, we’ll keep drawings, specs, and fabrication details consistent so reorder runs stay predictable.

We start with the environment (coastal, splash zone, sheltered, etc.), then align the coating system and surface prep to the exposure and expected service life. ISO 12944 is a common reference for corrosion protection of steel structures using paint systems.

We’re based in Dandenong South, Melbourne, and we support projects across Victoria. For jobs that need it, we also provide site installation as part of the wider service offering.

Will structural steel produced today still be around in 100 years 1

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