6061-T651 Aluminum Plate - AMS 4027

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6061 Aluminum plate (also known as 6061-T651) is one of the most versatile grades of heat treatable aluminum alloys. The T6 temper is achieved through a solution heat treatment and artificial aging to achieve a maximum level of precipitation hardening, and it resists stress cracking due to the inclusion of magnesium and silicon as alloying elements. With an excellent strength to weight ratio, good toughness, and high corrosion resistance, it’s no wonder that 6061 aluminum alloys are so widely used.

Applications for our 6061 plate products include aluminum flooring, ramps, base plates, stairs, structural applications and more. It exhibits excellent machinability and is very suitable for welding applications. T651 tooling plate (AMS 4027) is an ideal product for many general purpose applications.

6061 Inventory Size Ranges


0.1875" - 6.000"

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Standard Inventory Specifications

  • AMS 4027
  • ASTM B 209
  • ASME SB 209
  • T651 Tooling Plate (®Alcoa North American Rolled Products)
  • Aluminium 6061
  • T6 aluminum
  • 6061-T651 temper

Other industry standards we comply with:

  • DFARS Compliant

Common Trade Names

  • 6061 Tread Plate

Common Applications of 6061

  • Transportation components - truck bodies and frames
  • Structural components - steps, platforms, cover plates
  • Aircraft and marine fittings
  • Machine processing equipment
  • Recreational products
Chemical Properties of 6061 Aluminum Plate
Element Percent by Weight
Si Silicon 0.40 - 0.80%
Fe Iron 0.70% max
Cu Copper 0.15 - 0.40%
Mn Manganese 0.8 - 1.2%
Mg Magnesium 0.8 - 1.2%
Cr Chromium 0.25% max
Zn Zinc 0.25% max
Ti Titanium 0.15% max
- Others Each 0.05% max
- Others Total 0.15% max
Al Aluminum Balance

Physical Properties of 6061 Aluminium 

Density lb/in3 0.0975
Thermal Conductivity, Btu-in/hr-ft²-°F 1160
Electrical Resistivity, Ω-cm 3.99e-006

Mechanical Properties of 6061 Aluminum Plate 

Ultimate Tensile Strength, psi 45,000
Tensile Yield Strength, psi 40,000
Elongation at Break 12%
Hardness, Rockwell B 60
Modulus of Elasticity, ksi 10,000

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The technical data provided is for information only and not for design purposes. It is not warranted or guaranteed.