Aluminum 6061-T6

Aluminum 6061-T6 is the most widely used aluminum alloy for CNC machining. It offers an excellent balance of strength, corrosion resistance, weldability, and machinability at a competitive cost. The T6 temper provides good mechanical properties for structural applications.

Machinability

90/100

Tolerance

±0.005 mm

Category

Aluminum Alloys

Material Properties

PropertyValue
Tensile Strength310 MPa (45 ksi)
Yield Strength276 MPa (40 ksi)
Hardness95 HB (Brinell)
Density2.70 g/cm³
Machinability Rating90/100
Thermal Conductivity167 W/m·K
Melting Point582–652 °C
Tolerance±0.005 mm

Common Grades

6061-T66061-T6516061-O

Advantages

  • Excellent machinability
  • Good corrosion resistance
  • Weldable
  • Cost-effective
  • Wide availability
  • Good anodizing response

Limitations

  • Lower strength than 7075
  • Not suitable for high-temperature applications
  • Susceptible to stress corrosion cracking in certain conditions

Common Applications

Structural frames

Brackets

Housings

Fixtures

Heat sinks

Automotive parts

Industries Served

AerospaceAutomotiveElectronicsConsumer ProductsRobotics

Available Surface Finishes

Anodize Type IIAnodize Type IIIPowder CoatBead BlastChromate ConversionBrushed

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