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3.5" x 0.25" Aluminum Square Tube 6061-T6-Extruded

This 3.5" x 0.25" 6061-T6 aluminum square tube provides a larger size and stronger capacity, suitable for heavy-duty structural requirements like large frames, bridge supports, and other high-strength engineering applications. Its excellent corrosion resistance and strength from the T6 heat treatment make it ideal for demanding working environments.

Size: 3.5" x 0.25" (Width x Wall Thickness)

Alloy: 6061-T6

Processing Method: Extrusion

Properties: This large and thick-walled aluminum square tube is designed for heavy-duty structural applications. The 6061-T6 alloy ensures high tensile strength, and its resistance to corrosion and fatigue makes it ideal for use in outdoor, marine, and industrial environments. The tube is highly resistant to environmental stress cracking, making it durable under repeated loading. With its superior mechanical properties, it is suitable for use in applications that require strong, load-bearing support, such as in large machinery, vehicle frames, and building structures.

Material Meets These Standard(s): ASTM-B221

3.5" x 0.25" Aluminum Square Tube 6061-T6-Extruded Specifications

Specification Details
Side length 3.5"
Wall Thickness 0.25"
Material Aluminum
Shape square tube
Alloy Type 6061
Max Length 240 inches
Temper T6
Production Method Extruded

Select length below or Custom Cut

  • 12" (1 ft.)
  • 24" (2 ft.)
  • 36" (3 ft.)
  • 48" (4 ft.)
  • 72" (6 ft.)
  • 96" (8 ft.)
  • 144" (12 ft.)
  • 192" (16 ft.)
  • 240" (20 ft.)
  • Custom cuts supported

3.5" x 0.25" Aluminum Square Tube 6061-T6-Extruded Applications

Widely used for heavy-duty structures and industrial applications, such as supports for large equipment and building frameworks. Its larger size and thick wall design ensure stability and durability under extreme conditions, making it suitable for use in demanding environments.

6061 T6 Aluminum Mechanical Properties

Property Value
Density g/cm^3 3
Yield Tensile Strength KSI 40
Brinell Hardness 500 kg load 95
Ultimate Tensile Strength KSI 45
Elongation % in 2 in. 12
Rockwell Hardness B Scale 60
Machinability % 50
Melting Point °F 1080 - 1205
Electrical Conductivity % IACS 43
Shear Strength KSI 30

Chemistry Information 6061 Aluminum

Element Percentage
Al 98
Cr 0.04 - 0.35
Cu 0.15 - 0.40
Fe 0.7 max
Mg 0.8 - 1.2
Mn 0.15 max
Si 0.4 - 0.8
Ti 0.15 max
Zn 0.25 max

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