Aluminum 5052 vs 6061: Sheet Metal vs Structural CNC

5052 excels in saltwater corrosion resistance and formability for sheet metal applications. 6061 provides significantly higher strength and better machinability for structural CNC machined components.

Side-by-Side Property Comparison

PropertyAluminum 5052-H32Aluminum 6061-T6
Tensile Strength228 MPa (33 ksi)310 MPa (45 ksi)
Yield Strength193 MPa (28 ksi)276 MPa (40 ksi)
Hardness60 HB95 HB (Brinell)
Density2.68 g/cm³2.70 g/cm³
Machinability Rating60/10090/100
Thermal Conductivity138 W/m·K167 W/m·K
Melting Point607–649 °C582–652 °C
Tolerance±0.01 mm±0.005 mm

Key Differences

PropertyAluminum 5052-H32Aluminum 6061-T6Winner
Tensile Strength228 MPa310 MPaAluminum
Machinability60/10090/100Aluminum
Saltwater ResistanceExcellentGoodAluminum
FormabilityExcellentGoodAluminum
Heat TreatableNoYes (T6)Aluminum
CostSimilarSimilarTie

Which Material Should You Choose?

Choose Aluminum 5052-H32 when:

  • Marine and saltwater applications
  • Sheet metal formed parts
  • Fuel tanks and pressure vessels
  • Electronic chassis and enclosures
  • Parts requiring deep drawing
View Details Aluminum 5052-H32

Choose Aluminum 6061-T6 when:

  • Structural components
  • CNC machined parts (better machinability)
  • Heat-treatable applications
  • Parts requiring higher strength
  • General-purpose machined parts
View Details Aluminum 6061-T6

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