FabDigit

6018 vs 6005 and 2 more: properties

601860056005A6060

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

68 GPa9.9 Msi
69 GPa10 Msi
69 GPa10 Msi
69 GPa10 Msi

Tensile Strength (Ultimate)

330 MPa47.9 ksi
270 MPa39.2 ksi
275 MPa39.9 ksi
215 MPa31.2 ksi

Yield Strength (0.2% offset)

290 MPa42.1 ksi
245 MPa35.5 ksi
235 MPa34.1 ksi
170 MPa24.7 ksi

Elongation at Break

10%
11%
11%
12%

Reduction in Area

30%

Compressive Strength

295 MPa42.8 ksi
235 MPa34.1 ksi

Shear Strength

210 MPa30.5 ksi
172 MPa24.9 ksi
180 MPa26.1 ksi
140 MPa20.3 ksi

Fatigue Strength (Endurance Limit)

95 MPa13.8 ksi
90 MPa13.1 ksi
90 MPa13.1 ksi
60 MPa8.7 ksi

Fracture Toughness (K_IC)

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

Charpy V-Notch Impact (RT)

12 J8.9 ft·lbf
18 J13.3 ft·lbf

Hardness, Brinell

95 HB
85 HB
95 HB
75 HB

Hardness, Rockwell B

60 HRB

Hardness, Vickers

100 HV
90 HV
100 HV
80 HV

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

Physical

Density and transition temperatures.

Density

2.71 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)

585°C1,085 °F
607°C1,125 °F
607°C1,125 °F
600°C1,112 °F

Liquidus Temperature

650°C1,202 °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

170 W/m·K98.2 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

895 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)

23.4 µm/m·K13 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

390 J/g168 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

42 % IACS
49 % IACS
49 % IACS
54 % IACS

Electrical Resistivity

4.1×10⁻⁸ Ω·m1.61 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)

-0.74 V
-0.83 V
-0.78 V
-0.83 V

Corrosion Resistance

58 / 100
70 / 100
68 / 100
68 / 100

Manufacturability

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

Machinability

92 / 100
55 / 100
62 / 100
55 / 100

Machinability Rating (AISI 1212 = 100 %)

300%
50%
190%

Weldability

35 / 100
80 / 100
85 / 100
90 / 100

Formability (cold)

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

Castability

30 / 100
25 / 100
25 / 100

Brazeability / Solderability

30 / 100
50 / 100
45 / 100
60 / 100

Polishability

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

Sustainability

Primary-production footprint per kilogram.

Embodied Carbon (primary production)

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

Embodied Water

1,100 L/kg132 gal/lb
1,200 L/kg144 gal/lb
1,200 L/kg144 gal/lb
1,200 L/kg144 gal/lb

Typical Recycled Content

25%
30%
30%
35%

Same in both: Embodied Energy (primary production) 200 MJ/kg85,985 BTU/lb

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

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

Specific Stiffness (E / density)

25.5 MN·m/kg
25.6 MN·m/kg
25.7 MN·m/kg
25.6 MN·m/kg

Modulus of Resilience

609 kJ/m³
435 kJ/m³
397 kJ/m³
209 kJ/m³

Thermal Diffusivity

70.1 mm²/s
77.6 mm²/s
78.5 mm²/s
82.5 mm²/s

Thermal Shock Resistance Index

35
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 scale60056005A60606018

Manufacturing and finishing

Capability601860056005A6060
CNC machiningYesYesYes
Sheet metalYesYesYes
Default condition
Relative cost$$$ Premium$$ Standard$ Budget$ Budget
Min. machined wall0.5 mm0.5 mm0.5 mm
Best machined surfaceRa 0.8 µmRa 0.8 µmRa 0.8 µm
Anodizing Type IIYesYesYes
CerakoteYesYesYes
Chem Film (Alodine)YesYesYes
DLCYesYesYes
E-CoatingYesYesYes
ElectropolishingYesYesYes
Hard Anodize Type III w/ PTFEYesYesYes
Hard Anodizing Type IIIYesYesYes
Nickel PlatingYesYesYes
PTFE CoatingYesYesYes
PaintingYesYesYes
Powder CoatingYesYesYes

They share 4 finishes: Electroless Nickel (EN), Epoxy Coating, Gold Plating, Silver Plating.

Ready to make it?

Upload a CAD file and FabDigit prices the part in 6018 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.