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Aluminum Boat Extrusions

Aluminum Boat Extrusions

  • Marine-Grade Aluminum Alloy: Made from 5052, 5083, or 6061-T6 alloys offering high corrosion resistance in saltwater environments.
  • Lightweight & High Strength: Ideal for boat hulls, decks, railings, and frames where weight reduction and structural integrity are critical.
  • Custom Marine Profiles: Includes gunnels, toe rails, rub rails, C-channels, corner extrusions, and floor supports tailored for boat fabrication.
  • Anodized or Mill Finish Options: Available in raw mill finish or anodized surface to enhance resistance against oxidation and abrasion.
  • Easy to Weld & Fabricate: Compatible with MIG and TIG welding, bending, drilling, and cutting for seamless boat assembly and repair.
  • Saltwater Resistant Design: Engineered to perform under harsh marine conditions, resisting corrosion, pitting, and electrolysis.
  • Optimized for Boat Builders: Precision-extruded profiles ensure consistency, clean joints, and ease of integration into marine structures.
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Aluminum Boat Extrusions Product

6061 Aluminum Extrusion for Boat Trailers
6061 Aluminum Extrusion for Boat Trailers
Extruded Boat Aluminum Rub Rail Profile
Extruded Boat Aluminum Rub Rail Profile
Boat Hull Aluminum Extrusion Profile
Boat Hull Aluminum Extrusion Profile
Custom Aluminum Boat Deck Trim Profile
Custom Aluminum Boat Deck Trim Profile
Heavy-Duty Aluminum Marine Gunnel
Heavy-Duty Aluminum Marine Gunnel
Aluminum Z-Channel for Boat Floors
Aluminum Z-Channel for Boat Floors
Marine Grade Aluminum Beam Extrusion
Marine Grade Aluminum Beam Extrusion
OEM Heavy Boat Rail C-Channel Profile
OEM Heavy Boat Rail C-Channel Profile

Customization Capabilities

We offer fully customizable aluminum boat extrusions for OEM boat manufacturers, shipyards, and marine structure fabricators with support for drawings and marine-grade requirements.

  • Alloy Grades: 5052-H32, 5083-H116, 6061-T6 for saltwater resistance and weldability
  • Profile Types: Rub rail, cap rail, floor extrusion, C-channel, Z-bar, angle, gunnel, toe rail, and corner profiles
  • Wall Thickness: 1.5mm to 6mm depending on structural load
  • Length: Standard up to 6 meters; custom cut lengths available
  • Surface Finish: Mill finish, marine-grade anodized, or powder-coated
  • Machining Options: CNC cutting, mitering, hole drilling, notching, and deburring
  • Packaging: Protective wrap, seaworthy export packaging, and bundle ID labeling

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Why Partner with Sinoextrud for Your Aluminum Boat Extrusions Needs?

We are more than just an aluminum profile supplier — we’re your efficient, reliable, long-term partner.
With Us, You Get:Faster turnaround,Stable quality,Competitive pricing,End-to-end support.

Large-Scale Manufacturing:Our factory spans 1,000 mu (about 667,000 m²), with full in-house capabilities from aluminum smelting and billet casting to extrusion, surface treatment, and CNC machining.

One-Stop Solution:With 43 extrusion lines (500–5500 tons) and a dedicated mold partner, we provide fast production, custom profiles, and integrated services to simplify your supply chain.

Quality You Can Trust:Strict quality control ensures consistent dimensions, strength, and finish, reducing your risk and increasing reliability.

Fast Delivery & Cost Efficiency:Self-produced billets, in-house processing, and batch production mean faster lead times and lower overall costs.

Advanced Finishing Options:Anodizing and both vertical and horizontal powder coating lines deliver durable, high-quality surface finishes tailored to your product needs.

Factory Overview
Furnace workshop
Aluminum bar production
Mold Warehouse
500-5500 Tons Extruder
Spraying workshop
Anodizing workshop
Deep Processing Workshop
CNC Machining Workshop
Finished goods warehouse
Finished goods warehouse
Finished goods warehouse
Export warehouse
5500 Ton Extrusion Press
Aluminum extrusion press
Large Aluminum Extrusion Line
Aluminum extrusion production line
Extrusion workshop
IATF 16949 Certification
TUV
Finished goods warehouse
Export warehouse

-Standard Packing Option-

* Long bar length profiles 3.0-6.0 meters*
Protective Film
Shrink Sleeve
Brown Paper
Craft Paper
* Short bar length profiles 0.3-3.0 meters*
EPE Foam
Poly Bag
Wooden Crate
Wooden Case

-Loading & Shipment-

Pallet Loading
Bulk Loading
LCL Loading
Expedited Express

STEPS

How to work with us

Start A Project today
  • Quote & Estimation

    Begin with a thorough evaluation of the design's feasibility, followed by a prompt, detailed estimate.

  • Sample & Test

    Creating a prototype to assess dimensions and ensure the mold's precision aligns with the requirements.

  • Extrude & Finish

    Producing the aluminum profile with pinpoint accuracy to the given specifications and applying desired finishes.

  • Pack & Deliver

    Tailored packaging for the extruded profiles, ensuring safe and efficient loading for prompt delivery.

Aluminum Boat Extrusions-FAQ's

What aluminum alloys are best for marine applications?
5052, 5083, and 6061-T6 are commonly used due to their excellent corrosion resistance in saltwater environments.
Do you supply rub rails and gunnels for boats?
Yes, we offer a variety of boat-specific profiles including rub rails, toe rails, and floor extrusions.
Can these profiles be welded during boat construction?
Absolutely. Our extrusions are designed for easy MIG/TIG welding, drilling, and mechanical fastening.
Do you offer anodized marine-grade finishes?
Yes, we offer marine-grade anodizing for added corrosion resistance and surface protection.
Can I submit my own CAD drawing for a custom profile?
Yes, we accept custom drawings and will create tooling to match your specifications exactly.
Do you supply profiles in bulk for boat OEMs?
Yes, we specialize in large-volume supply and long-term cooperation with marine manufacturers.
What is the typical MOQ and delivery time?
MOQ is 200kg per design; delivery time is 15-25 days depending on tooling and finish.

Products You May Looking for

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Sinoextrud: Your Aluminum Boat Extrusions Manufacturer

Aluminum Boat Extrusions are engineered to meet the demanding structural and corrosion-resistance requirements of marine construction. Whether for hull reinforcement, deck framing, or edge protection, our profiles deliver lightweight strength and marine-grade reliability.


Commonly used in fishing boats, pontoons, yachts, and industrial marine vessels, these extrusions provide structural support while resisting harsh saltwater exposure. We supply extrusions for OEMs, boatyards, and custom marine fabricators worldwide.


Our marine-grade aluminum alloys and custom machining ensure smooth fabrication, weldability, and seamless integration with other marine components. Surface finishes are available to enhance both durability and aesthetics.


Through precision extrusion and in-house CNC services, we offer ready-to-use marine aluminum profiles tailored to each vessel’s structural and design requirements.


With scalable production, technical support, and export packaging, we help marine manufacturers reduce cost, speed up assembly, and ensure long-term boat performance.


Aluminum Boat Extrusions : The Ultimate FAQ Guide

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