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Aluminum Square Rod

High-Precision Aluminum Square Bars & Rods

 

GNEE is a trusted manufacturer of premium extruded and cold-finished aluminum square bars. Known for their uniform dimensions, perfect right angles, and exceptional machinability, our square solid rods are the backbone of structural engineering, automation frames, and high-speed CNC machining parts. Whether you need standard 6061-T6 for structural support or 7075 for high-stress aerospace components, we deliver factory-direct pricing with uncompromising quality.

 

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ISO 9001 Certified

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EN10204 3.1 MTC Provided

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Fast Global Shipping

 

 

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Common Aluminum Square Bar Information

 

Aluminum Alloy 1050, 1060, 1100, 3003, 3004, 5005, 5052, 6061, 6063, etc. (1000 series—8000 series）
Temper O, H12, H14, H16, H18, H22, H24, H26, H32, H112, etc.
Diameter 0.1-600mm, etc.
Size 1 mm*1 mm-800 mm*800 mm, etc.
Length 1-12m, Random, Fix & cut length, or as per clients’ requirement
Remark All the above parameters can be customized
Applications door frames, handrails, electrical enclosures, chassis frames, bicycle frames, etc.

 

Benefits of Aluminum Square Rod

Strength and Durability
Aluminum square bars are renowned for their exceptional strength-to-weight ratio, making them a popular choice in various industries. Their durability ensures long-lasting performance even in demanding applications.

 

 

Lightweight
Compared to other metals, aluminum is significantly lighter, which makes it easier to handle and transport. This advantage is especially important for applications where weight reduction is essential without compromising structural integrity.

Corrosion Resistance

Aluminum naturally forms a protective oxide layer, offering excellent resistance to corrosion. This property makes aluminum square bars ideal for outdoor and marine applications, where exposure to moisture and harsh elements is a concern.

Versatility

Aluminum square bars can be easily machined and welded to meet specific design requirements. Whether you need straight bars or custom-cut lengths, aluminum square bars provide the flexibility you need for your projects.

Aesthetic Appeal

Aluminum square bars offer a sleek and modern appearance, adding an aesthetic touch to your architectural or design projects.

 

6063 T5 Aluminum Square Rod

 

How to Choose the Right Aluminum Square Rod?

1. Extruded vs. Cold-Finished

Extruded Square Bars: Produced by pushing hot aluminum through a die. Ideal for architectural uses, brackets, and structural framing where standard tolerances are sufficient.


Cold-Finished (Cold-Drawn) Square Bars: Drawn through a die at room temperature. Choose this if you need tighter dimensional tolerances (h9/h11), sharper corners, and superior straightness for high-speed CNC automated machining.

 

2. Sharp Corners vs. Rounded Corners

Depending on the die and finishing process, we supply square bars with sharp/square corners (best for flush joints and machining) or radius/rounded corners (safer handling and specific architectural aesthetics). Specify your preference when inquiring.

 

Applications of aluminum square rods

 

 

Architectural Decoration

Construction & Architecture

Used for building facades, curtain wall structural brackets, and ornamental trims (6063/6061).

Automation & Robotics

Automation & Robotics

 

Custom mounting blocks, sensor brackets, and conveyor system frames.

Marine Engineering

Marine Engineering

 

5083 marine-grade square bars provide ultimate saltwater corrosion resistance for shipbuilding and offshore platforms.

Aerospace & Automotive

Aerospace & Automotive

 

7075 and 2024 alloys offer extreme strength-to-weight ratios for aircraft structural components and automotive chassis parts.

 

Surface Treatments to Increase the Aluminium Resistance

 

 

 

 
Aluminium anodizing

Anodizing, also called anodic oxidation, is a galvanic process. During this surface treatment, a layer of aluminum oxide is produced on the surface of the aluminium that protects the lower layers, preventing corrosive agents (such as chemicals or gasses) from penetrating into the heart of the metal. 

 
Aluminium peening

In the surface treatment of peening, a powerful spherical or cylindrical jet of abrasive material (the type of material varies according to that of the piece being treated) is delivered to the surface of the aluminum, deforming it slightly. This deformation increases the fatigue resistance and makes the surface more uniform.

 
Metal electro-polishing

Electro-polishing consists of completely removing the most superficial layer of aluminum, the first to be affected by corrosive elements but also by bacteria. This makes aluminium more resistant to corrosion and abrasion, easier to maintain, and more hygienic.

 
Aluminium painting

In the aluminium surface treatment of painting and powder coating, an epoxy resin coating is applied to increase the corrosion resistance of the metal. With the aluminium powder coating process, the surface is protected against corrosion and chemicals. The treatment consists, through the effect of an electrostatic field, in depositing on the piece thermosetting resins, which are then melted and polymerized in special ovens in order to create a protective layer. The coating can be applied in several layers to increase its resistance to discoloration, scratches, or chipping.

 
Galvanizing and zinc plating

Zinc plating and nickel plating treatments increase the resistance of aluminium. In the first case the piece of metal is immersed in a bath of zinc; in the second case, of nickel.

 
Polishing

Polishing treatment is used to give aluminium a shiny and smooth appearance. This process is particularly suitable for making finished products in a variety of industries, including furniture, household appliances, automotive, and so on.

 
Aluminium sanding

Very similar to peening, sanding treatment differs only in that it is done with a jet of sand and air. The purpose is to smooth out uneven areas, removing residue, impurities, or scale.

 
Metal chrome plating

In chrome plating, the aluminum piece is immersed in an electrolytic bath that prevents passivation (the corrosion of the surface layer) and protects the metal from substances present in the atmosphere. In this case, the functionality is complementary to the aesthetic appearance, because it ensures a more pleasant look to the metal while protecting it.

 

 

Your Reliable Aluminum Sourcing Partner in China

 

Delivering Quality, Traceability, and Value to Global Manufacturers

Direct Factory Capacity & Competitive Pricing

Skip the middlemen and eliminate hidden markups. As an integrated aluminum manufacturer, GNEE operates state-of-the-art extrusion presses (up to 3,500 tons) and precision cold-drawing lines. Whether your project requires a 3-ton trial order or a 300-ton continuous monthly supply, our robust production capacity ensures factory-direct pricing, stable lead times (typically 15-20 days), and maximum cost-efficiency for your procurement.

Export Expertise for Middle East & SEA

Over 18 years of seamless global logistics. We deeply understand the market requirements in the UAE, Saudi Arabia, Qatar, Vietnam, and Malaysia. Our dedicated export team handles everything from securing competitive ocean freight rates (FOB/CIF) to providing complete, error-free customs documentation (including Certificate of Origin, SASO, and commercial invoices), ensuring a smooth experience.

Seaworthy Packaging

 

We know that high humidity and temperature fluctuations during sea transit can cause aluminum oxidation. We never cut corners on packaging. Every batch of aluminum round rods undergoes our strict 4-step export packing standard:

  • Step 1 (Separation): Rods are tightly bundled or separated with pearl cotton (EPE) to prevent friction scratches during transit.
  • Step 2 (Waterproofing): Tightly wrapped in heavy-duty waterproof kraft paper and thick plastic stretch film.
  • Step 3 (Moisture Control): Industrial desiccant bags are strategically placed inside the wrapping to absorb container moisture.
  • Step 4 (Palletizing): Securely strapped with steel/PET bands onto ISPM-15-compliant fumigated wooden pallets, ensuring safe forklift handling.

 

Value-Added Services of GNEE


We do more than just supply raw aluminum. To help you reduce secondary processing costs, minimize material waste, and speed up your production, GNEE offers a full suite of in-house processing and testing services.

 

1. Precision Cutting & Semi-Machining

  • Precision Cut-to-Length: Using high-speed CNC circular saws, we cut rods to your exact length. Standard tolerance is ±1.0 mm, with ultra-precision cutting available up to ±0.1 mm.
  • Chamfering & Deburring: We provide chamfered ends (e.g., 30°, 45°) and smooth deburring. This ensures the rods are ready to be fed directly into your CNC lathes or automatic feeding machines without jamming.
  • Custom CNC Machining: Need more than just a bar? We offer deep processing, including drilling, milling, threading, and turning, to deliver semi-finished components based on your CAD drawings.

 

2. Surface Treatments

  • Anodizing: Highly recommended for Middle East and coastal projects. We offer clear, color, and Hard Anodizing (Type III) to dramatically increase wear and corrosion resistance against extreme sun, sand, and salty air.
  • Sandblasting / Bead Blasting: Provides a uniform matte finish, hiding extrusion lines and preparing the surface for excellent coating adhesion.
  • Polishing & Brushing: Mechanical polishing (up to mirror finish) and directional brushing for architectural and aesthetic applications.
  • Powder Coating: Available in full RAL colors with UV-resistant coatings for outdoor structural uses.

 

3. Strict Quality Control & Testing

  • 100% Ultrasonic Testing (UT): Internal cracks or voids can destroy your project. We conduct rigorous UT on aerospace and marine-grade rods (like 7075, 2024, and 5083) to guarantee flawless internal structures (compliant with AMS-STD-2154).
  • OES Chemical Analysis: Using Optical Emission Spectrometry (OES) to guarantee the exact chemical composition of every alloy batch before pouring.
  • Mechanical Property Testing: In-house testing for Tensile Strength, Yield Strength, and Elongation to ensure the tempers (e.g., T6, T651) meet ASTM/EN standards.
  • Hardness Testing: Routine Brinell, Rockwell, or Webster hardness testing provided on all heat-treated bars.

 

4. Custom Packaging & Identification

  • Color-Coding & Laser Marking: To prevent material mix-ups in your warehouse, we can paint rod ends with specific colors (e.g., Red for 6061 and blue for 7075) and laser-print heat numbers/alloy grades directly on the bars.
  • VCI Anti-Corrosion Packaging: Essential for Southeast Asian shipping. We use Vapor Corrosion Inhibitor (VCI) paper and waterproof shrink wrap, securely strapped on fumigated wooden pallets, ensuring 0% white rust upon arrival.

 

aluminum flat rod
aluminum flat rod for sale

GNEE aluminum round packing

 

ALU BAR 6060 T635 MTC
ALU SQUARE BAR 6060 T660 1
 
Our Factory
 

Henan Gnee New Material Co., Ltd. is a modern supply chain enterprise with aluminum processing, sales, and distribution as its core industries. It was established in 2008. After about 18 years of development, it has customers in more than 100 countries and regions around the world. The company specializes in the production of high-quality aluminum products, including aluminum foil, aluminum tubes, aluminum alloy plates, aluminum rods, aluminum coils, etc.

 

ALUMINUM TEAM4
productcate-1-1
 

Frequently Asked Questions

 

 

Q: Can you provide free samples?

A: Yes. We can send small sample pieces (e.g., 100mm-200mm in length) for your metallurgical testing or visual inspection. You only need to pay the DHL/FedEx courier fee.

Q: What is your standard production lead time?

A: For sizes available in stock, we ship within 7 to 10 days. For fresh production or custom sizes, the lead time is approximately 15 to 25 days upon receipt of your deposit.

Q: Do you offer OEM/Custom Profile Extrusion?

A: Absolutely. If you need a unique rectangular shape or a square bar with a specific corner radius, send us your CAD drawing. We will open a custom die and extrude it to your exact specifications.

Q: Which regions do you frequently export to?

A: GNEE has over 18 years of export experience. We ship heavily to the UAE, Saudi Arabia, Qatar, Malaysia, Vietnam, Thailand, and South America, seamlessly handling all port and customs documentation (CO, SASO, etc.).

Henan Gnee New Material Co., Ltd. is one of the most professional aluminum square rod manufacturers and suppliers in China, featured by quality products and competitive price. Please rest assured to buy aluminum square rod for sale here from our factory.

Aluminum Extruded Square Bar 6061 T6511, Square Bar Aluminum