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Aluminum Extrusion Machining Service

Turn your designs into strong, lightweight components with our aluminum extrusion machining services. We deliver custom profiles, smooth finishes, and precise cuts to match your specifications.

At DEK, every extrusion is engineered for accuracy with tight tolerances and consistent quality. We handle design review, cutting, machining, and finishing in one facility. Each part is inspected to meet performance requirements, supporting efficient assembly and reliability. From prototype to production, we deliver the precision and consistency your project needs.

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Aluminum Extrusion Machining

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Aluminum Extrusion Machining | Precision, Strength, Custom Profiles

Aluminum Extrusion Machining Intro

DEK delivers aluminum extrusion machining with accurate profiles, tight tolerances, and durable finishes, creating strong, lightweight components that meet strict performance requirements in aerospace, automotive, electronics, and more.

With DEK, aluminum extrusion machining is powered by advanced capabilities that ensure accuracy and consistency in every project. We use high-precision CNC machining centers, saws, and milling machines to process extrusions with exact dimensions and clean finishes. Our equipment handles drilling, tapping, slotting, contour milling, and complex cutouts with minimal deviation. CMM inspection systems are integrated into our process to verify tolerances, ensuring every component meets strict structural and functional requirements for its application.

Beyond machining, DEK delivers complete extrusion support, including custom die design feedback, extrusion production, surface finishing, and secondary assembly.

  • High-speed processing
  • Complex profile handling
  • Thermal management solutions
  • Tight parallelism control
  • Integration of threaded inserts
  • Custom jigs and fixtures
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Materials for Aluminum Extrusion Machining

We offer a wide range of aluminum alloys for extrusion machining. If you don’t see the material you require, please contact us or view our full materials list.

Aluminum Alloys

6061
6063
6082
7075
2024
5052
5083
6061

At DEK, 6061 aluminum is one of the most versatile choices for aluminum extrusion machining. It offers an excellent balance of strength, corrosion resistance rating of 8/10, and machinability score of 90%, making it suitable for structural frames, machine components, and transportation parts.

Our process ensures tight tolerances and smooth finishes, allowing complex profiles to be integrated directly into assemblies. With its excellent anodizing response, 6061 extrusions can be tailored for both durability and appearance. Typical projects include precision machine frames, conveyor system rails, and custom heat sink housings for aerospace, automotive, electronics, and general engineering applications.

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Aluminum 6061
6063

DEK frequently uses 6063 aluminum alloy for extrusion machining when high-quality surface finish and corrosion resistance are priorities. Known as the “architectural alloy,” it features a tensile strength of 190 MPa, a corrosion resistance rating of 9/10, and a machinability score of 80%. ideal for window frames, door frames, enclosures, and decorative trims.

Our precision machining processes integrate slots, grooves, and mounting features directly into the extrusion, reducing secondary work. With excellent anodizing properties, 6063 supports aesthetic and functional coatings for outdoor and architectural use. Applications include architectural curtain wall frames, decorative panel trims, and precision instrument enclosures.

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Aluminum 6063
6082

In DEK’s aluminum extrusion machining, 6082 is the alloy of choice for demanding structural and load-bearing applications. Known for its high strength with tensile strength of 340 MPa and excellent machinability, it is well-suited to cranes, bridges, transport structures, and offshore platforms.

DEK’s machining capabilities create complex shapes and precision joints directly into extruded profiles, enhancing assembly efficiency. With strong corrosion resistance and weldability, 6082 is ideal for both indoor and outdoor applications such as heavy-duty support beams, transport vehicle chassis rails, and offshore walkway frames.

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Aluminum 6082
7075

DEK uses 7075 aluminum alloy in extrusion machining when maximum strength is required without sacrificing precision. This high-strength alloy offers excellent fatigue resistance, making it ideal for aerospace components, defense hardware, and high-performance sporting equipment.

Our advanced CNC processes machine detailed geometries into 7075 extrusions with minimal deviation, maintaining tight tolerances. Although less corrosion-resistant than some alloys, DEK applies protective surface treatments to extend service life. Common uses include aerospace landing gear struts, precision firearm receiver housings, and performance bicycle frame members.

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Aluminum 7075
2024

In DEK’s aluminum extrusion machining, 2024 is valued for its superior fatigue resistance and high strength, making it ideal for aerospace and motorsport applications. It performs exceptionally well in parts subjected to repeated stress, such as wing structures, fuselage components, and racing chassis elements.

Our extrusion and precision machining processes allow complex features to be integrated seamlessly. While 2024 has limited corrosion resistance, DEK applies coatings like anodizing or plating to ensure durability. It is often used for aircraft fuselage stiffeners, racing car suspension arms, and helicopter rotor hub components.

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Aluminum 2024
5052

DEK works with 5052 aluminum alloy for extrusion machining projects requiring excellent corrosion resistance with a rating of 9/10, especially in marine and coastal environments. Its superior formability and weldability make it a strong choice for boat components, fuel tanks, enclosures, and food processing equipment.

DEK’s machining process incorporates precise holes, slots, and cutouts into extruded profiles, ensuring components are ready for immediate assembly. Typical applications include marine deck railings, refrigerated truck body panels, and food-grade processing enclosures.

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Aluminum 5052
5083

DEK’s aluminum extrusion machining with 5083 alloy serves industries requiring extreme corrosion resistance with a rating of 10/10 and high strength with 317 MPa, such as marine, cryogenics, and defense sectors. Known for its performance in challenging environments, 5083 maintains structural integrity even under prolonged exposure to seawater or low temperatures.

Our machining process enables intricate detailing in extrusions while preserving mechanical properties. It is widely used in ship hull reinforcement beams, cryogenic storage vessel frames, and military vehicle armor panels.

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Aluminum 5083

Instant & Accurate Quotes

We will thoroughly review each drawing and provide accurate quotes.
CNC Machining Engineers

We don't use online automated quotation tools, because it is very inaccurate. Online quote platforms rely solely on calculations based on cutting amounts and fixed coefficients, they fail to account for actual processing nuances, such as material deformation after heat treatment, tight tolerance requirements, grinding after heat treatment, etc. Consequently, automated price calculations can lead to inaccuracies, ultimately increasing your costs.

But you can rest assured at DEK!

Our quotations are both cost-effective and accurate because we have a team of professional mechanical engineers who meticulously review each drawing. These engineers boast over 10 years of experience and possess deep expertise in programming, machine operation, post-processing, material properties, and more. Ensure you will get accurate quotes within 6 hours.

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Our Advantages

2300+ Engineers Love Work With Us

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Our Ordering Process

Different from the Internet quote platforms, we produce and complete all the details of your parts in our own factory. Each step is professional and reliable, ensuring you can rest assured.
1
Send RFQ

Send RFQ with 2D/3D drawings and detailed requirements via Email or online form.

2
Review & Quote

Our Engineer team will review every drawing carefully and provide an accurate quote within 6 hours.

3
Confirm Order

Confirm the quote, details and delivery schedule, then sign the contract.

4
Production

Arrange production process, start programming and machining.

5
Quality Control

Strict quality control during production and final inspection.

6
Packaging & Shipping

Pack the parts, attach part identification labels, and start shipping.

Send RFQ 222
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FAQ

Aluminum Extrusion Machining Buying FAQs

We can produce single prototypes or large production runs. There’s no strict minimum; our service is flexible to fit your project size.
Yes. We can work with your supplied drawings or samples to create a custom die that matches your exact cross-section requirements. We need your profile drawing, dimensions, tolerances, and any machining features. 3D CAD files (STEP or IGES) are ideal, but we can also work from 2D drawings or physical samples.
We work with common extrusion alloys such as 6061, 6063, and 6082, as well as specialized grades for strength, corrosion resistance, or machinability.
Yes. We offer anodizing, powder coating, polishing, sandblasting, and custom finishes to meet both functional and aesthetic needs.
Yes. Our engineering team offers design-for-manufacturing (DFM) support to improve machinability, reduce waste, and ensure consistent quality.
Yes. We offer expedited aluminum extrusion machining for time-sensitive projects. Our streamlined process and in-house capabilities help shorten lead times without compromising quality.

Get An Accurate Quote For Your Next Projects

No matter your project is complicated or simple, no matter is metal or plastic, you will get an accurate quotation within 6 hours.

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TECHNOLOGY OVERVIEW

Knowing Aluminum Extrusion Machining

What is Aluminum Extrusion Machining?

Aluminum extrusion machining is the process of creating custom aluminum profiles by pushing heated aluminum through a shaped die, then precisely cutting and machining the extruded pieces. This combination allows you to produce strong, lightweight components with complex cross-sections. Machining operations—such as drilling, tapping, milling, and finishing—are added after extrusion to meet exact specifications, improving function, fit, and appearance.

It is a versatile manufacturing method that supports both prototyping and large-scale production. With the ability to work in a wide range of alloys, it can meet specific requirements for strength, corrosion resistance, and thermal performance in industries from aerospace to consumer products.

What are the Advantages of Aluminum Extrusion Machining?

Aluminum extrusion machining combines the flexibility of extrusion with the precision of CNC machining, offering:

  • Complex shapes with consistent cross-sections
  • High strength-to-weight ratio in parts
  • Reduced material waste and cost efficiency
  • Excellent corrosion resistance with suitable alloys
  • Smooth finishes with optional anodizing or coating
  • Ability to integrate multiple features in one profile
  • Shorter production times than full machining
  • Reliable, high-quality components

When Do You Need Aluminum Extrusion Machining?

You need aluminum extrusion machining when your design requires long, uniform profiles with detailed machining features. It’s ideal for frames, enclosures, heat sinks, rails, and structural components across industries like aerospace, automotive, electronics, and construction. This method is especially useful when you want to balance lightweight design, structural strength, and precise functionality, without excessive machining time or cost.

It is also a practical choice when projects demand consistent part-to-part accuracy across high volumes. By combining extrusion with precision machining, you can streamline assembly, reduce secondary operations, and achieve repeatable quality even in complex designs.

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