Aluminium I Beam Extrusion

Introduction

Aluminium I beam extrusion is a lightweight yet high-strength structural profile widely used in construction, transportation, machinery, solar systems, marine engineering, and industrial equipment. Compared with steel beams, aluminum I beams offer excellent corrosion resistance, lower weight, and easier machining while maintaining outstanding load-bearing performance.

As a professional aluminum extrusion manufacturer, Youheng supplies custom and standard aluminium I beam extrusion profiles in various alloys, dimensions, and surface finishes. We provide complete fabrication services including cutting, CNC machining, drilling, punching, anodizing, powder coating, and custom packaging.

Why Choose Aluminium I Beam Extrusion

Our aluminum I beam profiles offer several important advantages.

• Lightweight with excellent strength-to-weight ratio
• Excellent corrosion resistance
• High dimensional accuracy
• Easy machining and welding
• Suitable for indoor and outdoor applications
• Recyclable and environmentally friendly
• Available in custom lengths and sizes
• Low maintenance cost

6061 T6 Aluminum I Beam

The most popular structural alloy is 6061 T6 aluminum I beam because of its excellent mechanical properties.

Benefits include:

• High tensile strength
• Good fatigue resistance
• Excellent machinability
• Outstanding corrosion resistance
• Suitable for structural applications
• Easy anodizing

Typical applications include:

• Industrial frames
• Machine structures
• Truck bodies
• Bridges
• Platforms
• Solar mounting systems
• Marine structures

Aluminum I Beam Sizes

We manufacture aluminum I beams in both standard and custom dimensions.

Popular sizes include:

Custom sizes are available according to customer drawings.

Aluminum I Beam Dimensions

We manufacture aluminum I beam extrusions in a wide range of standard and custom dimensions to meet different structural and industrial requirements. Whether you need lightweight framing or heavy-duty load-bearing profiles, we can produce aluminum I beams according to your drawings or specifications.

Typical dimensions include:

If your required dimensions are not listed, our engineering team can manufacture fully customized aluminum I beam extrusions based on CAD drawings or samples.

Aluminum I Beam Load Capacity

The load capacity of an aluminum I beam depends on several engineering factors, including the alloy, beam dimensions, span length, support conditions, and the type of load applied. Larger beam sections with thicker webs and flanges generally provide higher load-bearing capacity.

Our engineering team can recommend the most suitable aluminum I beam profile based on your structural requirements and provide load calculations upon request.

Factors Affecting Load Capacity

The following factors determine how much weight an aluminum I beam can safely support:

• Beam height and flange width
• Web and flange thickness
• Aluminum alloy (6061, 6063, 6082, etc.)
• Temper (T5, T6)
• Span length
• Fixed or simply supported installation
• Uniformly distributed load or concentrated load
• Safety factor required by the project

Typical Mechanical Properties of 6061-T6 Aluminum

Mechanical properties may vary slightly depending on manufacturing specifications.

Engineering Support

If you are unsure which beam size is suitable for your project, simply provide the following information:

• Required load (kg or kN)
• Beam span
• Support method
• Installation direction
• Application environment

Our engineers will recommend the appropriate beam dimensions and aluminum alloy to ensure structural safety and cost efficiency.

Aluminum I Beam Load Capacity Chart

The following table provides a general guide for selecting aluminum I beam sizes. Actual load capacity should always be verified through structural calculations.

The actual load capacity depends on the beam dimensions, alloy, span length, and loading conditions.

American Standard Beam

Besides metric profiles, we also manufacture American Standard Beam profiles according to customer drawings and industry standards,conforms to ASTM B221.

Available services include:

• Custom extrusion dies
• Precision machining
• Surface treatment
• Assembly
• Export packaging

Manufacturing Process

Every aluminium I beam extrusion is manufactured under strict quality control.

Production Process

1. Aluminum billet preparation
2. Extrusion
3. Stretch straightening
4. Aging heat treatment
5. Precision cutting
6. CNC machining
7. Surface treatment
8. Quality inspection
9. Packaging

Manufacturing Tolerances

Our aluminum I beams are produced under strict quality control to ensure excellent dimensional accuracy.

Typical tolerances include:

• Straightness: ±0.5 mm/m
• Length tolerance: ±1.0 mm
• Width tolerance: ±0.2 mm
• Height tolerance: ±0.2 mm
• Wall thickness tolerance: According to ASTM B221

Each profile is inspected before shipment to ensure consistent quality and reliable performance.

Surface Finish

Available surface treatments include:

• Mill Finish
• Clear Anodized
• Black Anodized
• Hard Anodizing
• Powder Coating
• Sand Blasting
• Brushed Finish
• Electrophoresis
• Wood Grain Finish
• Aluminum Surface Finishing: Anodizing vs. Powder Coating

Applications

Aluminium I beam extrusion is widely used in various industries.

Construction

• Building frames
• Roof structures
• Support beams
• Walkways

Transportation

• Truck chassis
• Trailer frames
• Railway equipment
• Bus structures

Marine Industry

• Boat structures
• Dock systems
• Marine platforms

Industrial Equipment

• Machine frames
• Conveyor systems
• Automation equipment

Solar Energy

• Solar mounting systems
• Ground support structures

Material Options

Available aluminum alloys include:

• 6061
• 6063
• 6082
• 6005
• 7075
• 5052

Tempers:

• T5
• T6
• T651

Our Fabrication Services

Besides extrusion, we also provide:

• CNC machining
• Drilling
• Milling
• Tapping
• Punching
• Welding
• Bending
• Laser engraving
• Assembly

OEM and ODM projects are welcome.

Quality Control

Every aluminum I beam undergoes comprehensive inspection.

Inspection includes:

• Dimension inspection
• Surface inspection
• Straightness inspection
• Hardness testing
• Mechanical property testing
• Packaging inspection

Certificates available:

• ISO 9001
• Material Certificate
• RoHS
• REACH

FAQ

How strong are aluminum I beams?

Aluminum I beams provide an excellent strength-to-weight ratio. High-strength alloys such as 6061 T6 are suitable for many structural applications while weighing about one-third as much as steel.

How to bend aluminum I beam?

Aluminum I beams can be bent using specialized roll bending equipment or stretch bending machines. The bending radius depends on the alloy, temper, and beam dimensions.

How much does an aluminum I beam weigh?

The weight depends on the beam dimensions, alloy, and length. Aluminum weighs approximately 2.70 g/cm³, making aluminum I beams significantly lighter than steel.

How much weight can an aluminum I beam hold?

Load capacity depends on the alloy, cross-sectional dimensions, span length, and loading conditions. Contact our engineering team for structural calculations based on your project.

How to bolt aluminum I beams?

Aluminum I beams can be connected using stainless steel bolts, structural fasteners, connection plates, or custom brackets. Proper hole spacing and corrosion protection should be considered for outdoor installations.

Why Choose Youheng

• More than 15 years of aluminum extrusion manufacturing experience
• Custom extrusion dies
• Fast sampling
• Low MOQ
• CNC machining service
• Complete surface finishing
• Competitive factory pricing
• Worldwide export experience

Request a Quote

Looking for a reliable aluminium I beam extrusion supplier?

Send us your drawings or specifications today. Our engineering team will provide professional technical support, competitive pricing, and fast production for your custom aluminum beam projects.