FabDigit

6066 vs 6005 and 2 more: properties

606660056005A6060

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Elastic (Young's) Modulus

69 GPa10 Msi
69 GPa10 Msi
69.5 GPa10.1 Msi
69 GPa10 Msi

Bulk Modulus

70 GPa10.2 Msi
69 GPa10 Msi
69 GPa10 Msi
69 GPa10 Msi

Tensile Strength (Ultimate)

395 MPa57.3 ksi
270 MPa39.2 ksi
275 MPa39.9 ksi
215 MPa31.2 ksi

Yield Strength (0.2% offset)

359 MPa52.1 ksi
245 MPa35.5 ksi
235 MPa34.1 ksi
170 MPa24.7 ksi

Elongation at Break

12%
11%
11%
12%

Shear Strength

234 MPa33.9 ksi
172 MPa24.9 ksi
180 MPa26.1 ksi
140 MPa20.3 ksi

Fatigue Strength (Endurance Limit)

110 MPa16 ksi
90 MPa13.1 ksi
90 MPa13.1 ksi
60 MPa8.7 ksi

Hardness, Brinell

120 HB
85 HB
95 HB
75 HB

Hardness, Vickers

126 HV
90 HV
100 HV
80 HV

Fracture Toughness (K_IC)

30 MPa·√m27.3 ksi·√in
29 MPa·√m26.4 ksi·√in
30 MPa·√m27.3 ksi·√in

Compressive Strength

235 MPa34.1 ksi

Charpy V-Notch Impact (RT)

18 J13.3 ft·lbf

Same in both: Shear Modulus 26 GPa3.8 Msi · Poisson's Ratio 0.33

Physical

Density and transition temperatures.

Density

2.72 g/cm³0.1 lb/in³
2.7 g/cm³0.1 lb/in³
2.7 g/cm³0.1 lb/in³
2.7 g/cm³0.1 lb/in³

Melting Point (Solidus)

563°C1,045 °F
607°C1,125 °F
607°C1,125 °F
600°C1,112 °F

Liquidus Temperature

646°C1,195 °F
654°C1,209 °F
654°C1,209 °F
655°C1,211 °F

Thermal

How each material carries heat and how hot it can run.

Thermal Conductivity

147 W/m·K84.9 BTU/hr·ft·°F
188 W/m·K109 BTU/hr·ft·°F
190 W/m·K110 BTU/hr·ft·°F
200 W/m·K116 BTU/hr·ft·°F

Specific Heat Capacity

900 J/kg·K0.21 BTU/lb·°F
897 J/kg·K0.21 BTU/lb·°F
897 J/kg·K0.21 BTU/lb·°F
898 J/kg·K0.21 BTU/lb·°F

Thermal Expansion (CTE, 20–100 °C)

23.2 µm/m·K12.9 µin/in·°F
23.4 µm/m·K13 µin/in·°F
23 µm/m·K12.8 µin/in·°F
23.4 µm/m·K13 µin/in·°F

Latent Heat of Fusion

395 J/g170 BTU/lb
397 J/g171 BTU/lb
393 J/g169 BTU/lb
397 J/g171 BTU/lb

Same in both: Max Service Temperature (continuous) 150°C302 °F · Min Service Temperature -196°C-321 °F

Electrical

Conductivity and insulation.

Electrical Conductivity

40 % IACS
49 % IACS
49 % IACS
54 % IACS

Electrical Resistivity

4.3×10⁻⁸ Ω·m1.69 µΩ·in
3.52×10⁻⁸ Ω·m1.39 µΩ·in
3.5×10⁻⁸ Ω·m1.38 µΩ·in
3.2×10⁻⁸ Ω·m1.26 µΩ·in

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Galvanic Potential (seawater, vs SCE)

-0.82 V
-0.83 V
-0.78 V
-0.83 V

Corrosion Resistance

55 / 100
70 / 100
68 / 100
68 / 100

Manufacturability

FabDigit workshop ratings (0–100 scores) — how each material behaves on the machine.

Machinability

72 / 100
55 / 100
62 / 100
55 / 100

Weldability

40 / 100
80 / 100
85 / 100
90 / 100

Formability (cold)

30 / 100
40 / 100
40 / 100
55 / 100

Brazeability / Solderability

25 / 100
50 / 100
45 / 100
60 / 100

Polishability

60 / 100
65 / 100
70 / 100
80 / 100

Machinability Rating (AISI 1212 = 100 %)

50%
190%

Castability

25 / 100
25 / 100

Sustainability

Primary-production footprint per kilogram.

Embodied Carbon (primary production)

12 kg CO₂/kg
12.5 kg CO₂/kg
12.5 kg CO₂/kg
13 kg CO₂/kg

Typical Recycled Content

30%
30%
30%
35%

Same in both: Embodied Energy (primary production) 200 MJ/kg85,985 BTU/lb · Embodied Water 1,200 L/kg144 gal/lb

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

145 kN·m/kg
100 kN·m/kg
102 kN·m/kg
80 kN·m/kg

Specific Stiffness (E / density)

25.4 MN·m/kg
25.6 MN·m/kg
25.7 MN·m/kg
25.6 MN·m/kg

Modulus of Resilience

934 kJ/m³
435 kJ/m³
397 kJ/m³
209 kJ/m³

Thermal Diffusivity

60 mm²/s
77.6 mm²/s
78.5 mm²/s
82.5 mm²/s

Thermal Shock Resistance Index

36
31
33
27

Strength versus weight

Yield strength against density for every aluminum grade in the FabDigit library; the compared grades are highlighted. Up and left is stronger for its weight.

20501002005002.22.42.62.83Density (g/cm³)Yield strength (MPa) — log scale60056005A60606066

Manufacturing and finishing

Capability606660056005A6060
Default condition
Relative cost$$ Standard$$ Standard$ Budget$ Budget
Min. machined wall0.5 mm0.5 mm0.5 mm0.5 mm
Best machined surfaceRa 0.8 µmRa 0.8 µmRa 0.8 µmRa 0.8 µm

Both are offered for CNC machining and Sheet metal. Both take the same 16 finishes: Anodizing Type II, Cerakote, Chem Film (Alodine), DLC, E-Coating, Electroless Nickel (EN), Electropolishing, Epoxy Coating, Gold Plating, Hard Anodize Type III w/ PTFE, Hard Anodizing Type III, Nickel Plating and 4 more.

Ready to make it?

Upload a CAD file and FabDigit prices the part in 6066 and 6005 side by side — material, machining time, tolerance and finish in one quote. Certified material data ships with the order on request.

Typical handbook values for the conditions named above, normalised for comparison. Hardness on non-Brinell scales is converted approximately for charting only. Request certified data with your order for design-critical properties.