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The Best Aluminum I-Beams

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Discover now our comparison of the best Aluminum I-Beams. It is never easy to choose from the wide range of offers. On the market, you will find an incalculable number of models, all at different prices. And as you will discover, the best Aluminum I-Beams are not always the ones at the highest prices! Many criteria are used, and they make the richness and relevance of this comparison.
To help you make the best choice among the hundreds of products available, we have decided to offer you a comparison of the Aluminum I-Beams in order to find the best quality/price ratio. In this ranking, you will find products listed according to their price, but also their characteristics and the opinions of other customers. Also discover our comparisons by categories. You won’t have to choose your products at random anymore.

SaleNo. 1
6061 Aluminum I-Beam, Unpolished (Mill) Finish, Extruded, T6-Temper, ASTM B221, Equal Leg Length, Squared Corners, 4" Leg Lengths, 6" Width, 0.35" Wall Thickness, 72" Length, OnlineMetals
  • 6061 aluminum has a good strength-to-weight ratio, above average corrosion resistance, good machinability, and is excellent for welding.
  • 4" Leg Lengths, 6" Width, 0.35" Wall Thickness, 72" Length
  • T6 Extruded
  • 6061-T6 is typically used in aerospace, automotive, cameras, couplings, marine hardware, electrical components, decorative hardware, structural applications, pins, brakes, pistons, valves, and bicycle frames.
  • Meets ASTM-B221, ASTM-B308, AMS-QQ-A-200/8
SaleNo. 2
6061 Aluminum I-Beam, Unpolished (Mill) Finish, Extruded, T6-Temper, ASTM B221, Equal Leg Length, Squared Corners, 3" Leg Lengths, 4" Width, 0.29" Wall Thickness, 12" Length, OnlineMetals
  • 6061 aluminum has a good strength-to-weight ratio, above average corrosion resistance, good machinability, and is excellent for welding.
  • 3" Leg Lengths, 4" Width, 0.29" Wall Thickness, 12" Length
  • T6 Extruded
  • 6061 is typically used in aerospace, automotive, cameras, couplings, marine hardware, electrical components, decorative hardware, structural applications, pins, brakes, pistons, valves, and bicycle frames.
  • Meets ASTM-B221, ASTM-B308, AMS-QQ-A-200/8
No. 3
6061 Aluminum I-Beam, Unpolished (Mill) Finish, Extruded, T6-Temper, ASTM B221, Equal Leg Length, Squared Corners, 4" Leg Lengths, 6" Width, 0.35" Wall Thickness, 12" Length, OnlineMetals
  • 6061 aluminum has a good strength-to-weight ratio, above average corrosion resistance, good machinability, and is excellent for welding.
  • 4" Leg Lengths, 6" Width, 0.35" Wall Thickness, 12" Length
  • T6 Extruded
  • 6061-T6 is typically used in aerospace, automotive, cameras, couplings, marine hardware, electrical components, decorative hardware, structural applications, pins, brakes, pistons, valves, and bicycle frames.
  • Meets ASTM-B221, ASTM-B308, AMS-QQ-A-200/8
No. 4
6061 Aluminum I-Beam, Unpolished (Mill) Finish, Extruded, T6-Temper, ASTM B221, Equal Leg Length, Squared Corners, 3" Leg Lengths, 4" Width, 0.29" Wall Thickness, 48" Length, OnlineMetals
  • 6061 aluminum has a good strength-to-weight ratio, above average corrosion resistance, good machinability, and is excellent for welding.
  • 3" Leg Lengths, 4" Width, 0.29" Wall Thickness, 48" Length
  • T6 Extruded
  • 6061 is typically used in aerospace, automotive, cameras, couplings, marine hardware, electrical components, decorative hardware, structural applications, pins, brakes, pistons, valves, and bicycle frames.
  • Meets ASTM-B221, ASTM-B308, AMS-QQ-A-200/8
No. 5
F&L Aluminum I-Beam – 6061 Alloy, 36" Structural Support Rail for A/C Stand Legs, Engineered for Building Code approvals. (Miami-dade and Florida Building Code Approved)
  • Premium 6061 Aluminum Alloy – Known for its excellent strength-to-weight ratio, corrosion resistance, and weldability.
  • Unpolished Mill Finish – Raw surface ideal for custom finishing, machining, or welding based on your project needs.
  • Structural I-Beam Design – Offers high load-bearing capacity for framing, support bars, and fabrication.
  • Multiple Size Options – Choose from 36” or 72” lengths to suit your specific project requirements.
  • Florida Building Code Approved - FBC #FL42154
  • Miami Dade Product Approval - NOA #23-1206.01
  • I-Beam is sold seprately from A/C Stand Leg
No. 6
6061 Aluminum I-Beam, Unpolished (Mill) Finish, Extruded, T6-Temper, ASTM B221, Equal Leg Length, Squared Corners, 2-1/2" Leg Lengths, 3" Width, 0.26" Wall Thickness, 12" Length, OnlineMetals
  • 6061 aluminum has a good strength-to-weight ratio, above average corrosion resistance, good machinability, and is excellent for welding.
  • 2-1/2" Leg Lengths, 3" Width, 0.26" Wall Thickness, 12" Length
  • T6 Extruded
  • T6 is typically used in aerospace, automotive, cameras, couplings, marine hardware, electrical components, decorative hardware, structural applications, pins, brakes, pistons, valves, and bicycle frames.
  • Meets ASTM-B221, ASTM-B308, AMS-QQ-A-200/8
No. 8
6061 Aluminum I-Beam, Unpolished (Mill) Finish, Extruded, T6-Temper, ASTM B221, Equal Leg Length, Squared Corners, 2-1/2" Leg Lengths, 3" Width, 0.26" Wall Thickness, 72" Length, OnlineMetals
  • 6061 aluminum has a good strength-to-weight ratio, above average corrosion resistance, good machinability, and is excellent for welding.
  • 2-1/2" Leg Lengths, 3" Width, 0.26" Wall Thickness, 72" Length
  • T6 Extruded
  • T6 is typically used in aerospace, automotive, cameras, couplings, marine hardware, electrical components, decorative hardware, structural applications, pins, brakes, pistons, valves, and bicycle frames.
  • Meets ASTM-B221, ASTM-B308, AMS-QQ-A-200/8
No. 9
6061 Aluminum I-Beam, Unpolished (Mill) Finish, Extruded, T6-Temper, ASTM B221, Equal Leg Length, Squared Corners, 2-1/2" Leg Lengths, 3" Width, 0.26" Wall Thickness, 48" Length, OnlineMetals
  • 6061 aluminum has a good strength-to-weight ratio, above average corrosion resistance, good machinability, and is excellent for welding.
  • 2-1/2" Leg Lengths, 3" Width, 0.26" Wall Thickness, 48" Length
  • T6 Extruded
  • T6 is typically used in aerospace, automotive, cameras, couplings, marine hardware, electrical components, decorative hardware, structural applications, pins, brakes, pistons, valves, and bicycle frames.
  • Meets ASTM-B221, ASTM-B308, AMS-QQ-A-200/8
No. 10
6061 Aluminum I-Beam, Unpolished (Mill) Finish, Extruded Temper, ASTM B221, Equal Leg Length, Rounded Corners, 2.509" Leg Lengths, 3" Width, 0.17" Wall Thickness, 72" Length
  • 6061 aluminum provides good corrosion resistance, strength, machinability, and weldability
  • Meets ASTM B221 specifications
  • Unpolished (mill) surface has no finish
  • Extruded into the shape by compressing metal and pushing it through a die
  • Standard tolerance

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Last update on 2025-07-07 / Affiliate links / Images from Amazon Product Advertising API