Wholesale Black Anodized Aluminum Square Tube Supplier, Factories

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Wholesale Black Anodized Aluminum Square Tube Supplier, Factories

Our black anodized aluminum square tubes are extruded from premium 6063-T5 aluminum alloy with uniform matte black anodized outer surface and smooth raw aluminum inner wall. Full sizes of square & rectangular profiles with various wall thickness are stocked, custom cutting length and CNC secondary processing are available. The square hollow structure delivers high rigidity and lightweight performance, scratch & corrosion resistant black coating extends service life. Compatible with matching plastic corner connectors for quick frame assembly without welding, easy to drill, cut and machine for modular structure building.

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Product Description

Specifications

Item	Aluminum Square Tube
Material	6063 \ 6061 \ 6060
Temper	T5 / T6
Thickness	0.8 - 5.0mm
Length	6m (customizable)
Surface treatment	Mill finish \ Power coating \ Anodizing \ Electrophoresis \ Fluorocarbon coating \ Wood grain, etc.
Color	According to customer requirements (customizable)
Service support	Drilling \ Milling \ Cutting \ Welding \ Bending \ Assembling \ CNC
Packing details	Inside: packed with protective film to protect each piece
Packing details	Outside: wrap to be bundles by shrink plastic bag
Delivery time	Die developing and sample testing: 7-10 days
Delivery time	Mass production completed: 15-30 days
MOQ	500kg

Surface Treatment

Product Application

These matte black aluminum square pipes are widely used for modular frame construction across multiple industries. Ideal for equipment protective enclosures, automation workstation frames and test bench supports in electronics and machinery factories, the sleek black finish improves workshop aesthetic. Perfect for display racks, exhibition booth frames, office partition stands and furniture support legs. Paired with matching plastic elbow connectors to assemble multi-angle frames rapidly, suitable for greenhouse brackets, small solar mounting frames and DIY mechanical rigs. Lightweight hollow design cuts transportation load, abundant standard sizes and custom machining service satisfy both mass production orders and small-batch bespoke project demands.

Quality Control & Manufacturing

Service Support

Save your time

Quickly provide accurate samples for testing.

Save your costs

Provide pre-processing services, such as cutting, drilling, milling, etc.

Meet your client's requirements

Provide RAL or Pantone color cards precise color matching.

Easy to carry out your sales work

Provide product images, videos, and technical parameter manuals.

Improve Your Efficiency

Provide guidance on profile application, such as assembly process and hardware accessory adaptation suggestions.

Shorten the supply cycle

Cooperative warehouses can be set up in your region.

Order Process

Frequently Asked Questions

Q1: What aluminum alloy grades do you offer for square tubes?

We primarily offer high-quality 6063, 6061, and 6060 aluminum alloys, tempered to T5 or T6 for optimal structural strength and durability.

Q2: Can I customize the dimensions, length, and wall thickness?

Yes, absolutely. While our standard length is 6 meters, we support customized cutting, custom wall thickness options from 0.8mm to 5.0mm, and special sizes according to your project blueprints.

Q3: What surface finishes are available for the aluminum profiles?

We offer a wide range of surface treatments including Mill finish, Powder coating, Anodizing, Electrophoresis, Fluorocarbon coating, and Wood grain textures to meet different aesthetic and environmental demands.

Q4: What is your Minimum Order Quantity (MOQ) and delivery lead time?

Our MOQ is 500kg. For new mold development and sample testing, the lead time is 7-10 days. Once approved, mass production is completed within 15-30 days.

Q5: Do you provide post-processing and CNC machining support?

Yes. To save your time and assembly costs, we offer pre-processing and CNC machining services including precise cutting, drilling, milling, bending, welding, and full hardware assembly.

Q6: How do you guarantee the quality of the products during transit?