FabDigit

8091 vs 8006 and 2 more: properties

8091800680118079

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Elastic (Young's) Modulus

80 GPa11.6 Msi
69 GPa10 Msi
69 GPa10 Msi
69 GPa10 Msi

Shear Modulus

30 GPa4.4 Msi
26 GPa3.8 Msi
26 GPa3.8 Msi
26 GPa3.8 Msi

Bulk Modulus

76 GPa11 Msi
70 GPa10.2 Msi
69 GPa10 Msi
70 GPa10.2 Msi

Poisson's Ratio

0.34
0.33
0.33
0.33

Tensile Strength (Ultimate)

540 MPa78.3 ksi
155 MPa22.5 ksi
145 MPa21 ksi
85 MPa12.3 ksi

Yield Strength (0.2% offset)

480 MPa69.6 ksi
130 MPa18.9 ksi
120 MPa17.4 ksi
35 MPa5.1 ksi

Elongation at Break

5%
10%
4%
25%

Compressive Strength

495 MPa71.8 ksi

Shear Strength

310 MPa45 ksi
95 MPa13.8 ksi
90 MPa13.1 ksi
55 MPa8 ksi

Fatigue Strength (Endurance Limit)

165 MPa23.9 ksi
55 MPa8 ksi
55 MPa8 ksi
35 MPa5.1 ksi

Fracture Toughness (K_IC)

28 MPa·√m25.5 ksi·√in

Hardness, Brinell

155 HB
45 HB
42 HB
22 HB

Hardness, Vickers

165 HV
46 HV

Physical

Density and transition temperatures.

Density

2.55 g/cm³0.09 lb/in³
2.71 g/cm³0.1 lb/in³
2.71 g/cm³0.1 lb/in³
2.72 g/cm³0.1 lb/in³

Melting Point (Solidus)

570°C1,058 °F
630°C1,166 °F
620°C1,148 °F
645°C1,193 °F

Liquidus Temperature

650°C1,202 °F
655°C1,211 °F
655°C1,211 °F
655°C1,211 °F

Thermal

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

Thermal Conductivity

95 W/m·K54.9 BTU/hr·ft·°F
185 W/m·K107 BTU/hr·ft·°F
205 W/m·K118 BTU/hr·ft·°F
225 W/m·K130 BTU/hr·ft·°F

Thermal Expansion (CTE, 20–100 °C)

21.4 µm/m·K11.9 µin/in·°F
23.6 µm/m·K13.1 µin/in·°F
23.4 µm/m·K13 µin/in·°F
23.6 µm/m·K13.1 µin/in·°F

Latent Heat of Fusion

390 J/g168 BTU/lb
390 J/g168 BTU/lb
395 J/g170 BTU/lb
395 J/g170 BTU/lb

Max Service Temperature (continuous)

120°C248 °F
120°C248 °F
150°C302 °F
150°C302 °F

Min Service Temperature

-253°C-423 °F
-196°C-321 °F
-196°C-321 °F
-196°C-321 °F

Same in both: Specific Heat Capacity 900 J/kg·K0.21 BTU/lb·°F

Electrical

Conductivity and insulation.

Electrical Conductivity

19 % IACS
47 % IACS
45 % IACS
58 % IACS

Electrical Resistivity

9.1×10⁻⁸ Ω·m3.58 µΩ·in
3.7×10⁻⁸ Ω·m1.46 µΩ·in
3.8×10⁻⁸ Ω·m1.5 µΩ·in
2.97×10⁻⁸ Ω·m1.17 µΩ·in

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Galvanic Potential (seawater, vs SCE)

-0.73 V
-0.78 V
-0.84 V
-0.83 V

Corrosion Resistance

40 / 100
62 / 100
65 / 100
72 / 100

Manufacturability

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

Machinability

65 / 100
35 / 100
30 / 100
30 / 100

Machinability Rating (AISI 1212 = 100 %)

70%
30%
30%
30%

Weldability

25 / 100
70 / 100
60 / 100
75 / 100

Formability (cold)

30 / 100
78 / 100
60 / 100
95 / 100

Brazeability / Solderability

10 / 100
70 / 100
55 / 100
55 / 100

Polishability

60 / 100
40 / 100
45 / 100
50 / 100

Castability

60 / 100

Sustainability

Primary-production footprint per kilogram.

Embodied Energy (primary production)

260 MJ/kg111,780 BTU/lb
200 MJ/kg85,985 BTU/lb
200 MJ/kg85,985 BTU/lb
200 MJ/kg85,985 BTU/lb

Embodied Carbon (primary production)

18 kg CO₂/kg
12 kg CO₂/kg
12 kg CO₂/kg
12.5 kg CO₂/kg

Embodied Water

1,200 L/kg144 gal/lb
1,150 L/kg138 gal/lb
1,200 L/kg144 gal/lb
1,200 L/kg144 gal/lb

Typical Recycled Content

3%
35%
35%
25%

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

212 kN·m/kg
57 kN·m/kg
54 kN·m/kg
31 kN·m/kg

Specific Stiffness (E / density)

31.4 MN·m/kg
25.5 MN·m/kg
25.5 MN·m/kg
25.4 MN·m/kg

Modulus of Resilience

1,440 kJ/m³
122 kJ/m³
104 kJ/m³
9 kJ/m³

Thermal Diffusivity

41.4 mm²/s
75.9 mm²/s
84.1 mm²/s
91.9 mm²/s

Thermal Shock Resistance Index

30
18
18
12

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 scale8006801180798091

Manufacturing and finishing

Capability8091800680118079
Sheet metalYesYesYes
Default condition
Relative cost$$$$ High$ Budget$ Budget$ Budget
Min. machined wall
Best machined surface
Anodizing Type IIYesYesYes
CerakoteYesYesYes
Chem Film (Alodine)YesYesYes
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 8091 and 8006 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.