Henan Gnee New Material Co., Ltd. is one of the most reliable manufacturers and suppliers of square extruded aluminum bar in China. With abundant experience, we warmly welcome you to wholesale high quality square extruded aluminum bar in stock here from our factory. Good service and reasonable price are available.
Products Description
Our square extruded aluminum bar is manufactured through precision extrusion processes, offering superior structural integrity and versatility. Whether you need 6061-T6 aluminum square rods for high-strength machining or 6063 square bars for architectural aesthetics, we provide a comprehensive range of alloys and sizes. With a focus on dimensional accuracy and surface finish, our extruded bars are the first choice for engineers and contractors worldwide.
High-Performance Applications of Extruded Aluminum Bars
Due to the lightweight nature and excellent strength of extruded aluminum square rod, it is widely used in:
Structural Framing: Machine bases, support frames, and industrial workstations.
Machined Components: Manifolds, valves, and precision fasteners for the automotive sector.
Architecture & Design: Door/window frames, decorative trims, and exhibition stands.
Aviation & Defense: High-stress structural parts using 2024 or 7075 alloys.
Technical Specifications: Extruded Aluminum Square Bar Data
We produce aluminum square bars compliant with international standards such as ASTM B221, EN 755, and GB/T 3191.
| Technical Parameter | Specification Details |
| Common Alloys | 6061, 6063, 2024, 7075, 5083, 6082 |
| Temper Range | T4, T5, T6, T651, O |
| Size Range | 8mm x 8mm to 250mm x 250mm |
| Standard Length | 3m, 6m, or Custom Cut-to-length |
| Surface Finish | Mill Finish, Anodized, Powder Coated, Polished |
| Corner Type | Sharp Corners or Specified Radius Corners |
Technical parameters and standards
Material grades: 6061, 6063, 6082, 1060 (customizable for special needs);
Mechanical properties:
6061-T6: tensile strength ≥310MPa, elongation ≥10%;
6082-T5: hardness ≥75HB, shear strength ≥190MPa;
Size range:
Side length: 10-200mm;
Length: 1-12 meters (customizable in sections);
Certification standards: ASTM B221, EN 12020, GB/T 6892.
about us
Your Reliable Aluminum Extrusion Factory
GNEE is a leading extruded aluminum bar manufacturer based in China, specializing in the production of high-precision aluminum profiles and bars. With decades of industry experience, we provide end-to-end solutions from alloy melting to final surface treatment.
Our Factory Strength (Why Choose Us?)
Massive Extrusion Capacity: We operate multiple extrusion lines ranging from 600 tons to 5000 tons, capable of producing bars of various complexities and sizes.
In-House Tooling: Our dedicated mold department allows us to offer custom extruded aluminum profiles with fast turnaround times and lower costs.
Total Quality Management: Each aluminum square bar is tested for hardness, tensile strength, and chemical composition. Full MTC (Mill Test Certificate) is provided with every order.
Global Export Expertise: We have successfully served clients in over 100 countries, understanding local standards and import requirements.
Professional Packaging and Global Logistics
We ensure your extruded aluminum bars are delivered without scratches, oxidation, or bending:
Interleaving & Wrapping: Bars are interleaved with protective paper or wrapped in plastic film to protect the surface finish.
Standard Bundling: Tightly strapped bundles with waterproof kraft paper or woven plastic wrap for short-distance or full-container shipments.
Reinforced Wooden Crates: For LCL or long-distance sea freight, we use fumigation-free wooden boxes to provide 360-degree protection.
Logistics Flexibility: Supporting EXW, FOB, CIF, DDP, and DAP terms via sea, air, or international railway.
Typical cooperation case
A theme pavilion
Supply 200×200mm 6063-T5 aluminum square bars for giant curved curtain wall skeleton, wind pressure resistance level 12; German industrial robot manufacturer
Customized 50×50mm 6082-T6 high-precision aluminum square bars, straightness error ≤0.1mm/m, used for the core structure of the robot arm; Chinese new energy vehicle enterprise
Processing and installation recommendations
Cutting and welding:
It is recommended to use carbide saw blades (cutting angle 90°±0.5°), and the burr height of the cut is ≤0.1mm;
When MIG welding, use ER4043 welding wire, and the preheating temperature is 80-150℃.
Surface treatment: Chemical polishing is required before anodizing (nitric acid concentration 15%-20%, time 3-8 minutes);
Sandblasting is required before spraying (sand particle size 80-120 mesh, roughness Ra 3.2-6.3μm).
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