FabDigitFabDigit

5056 Aluminum Honeycomb vs Cork Composite Core

Composite · grade comparison

5056 Aluminum Honeycomb and Cork Composite Core are both composite grades. 5056 Aluminum Honeycomb is the stronger of the two: tensile strength 4 MPa (0.624 ksi) against 0.8 MPa (0.116 ksi) for Cork Composite Core, about 5.4 times as much. 5056 Aluminum Honeycomb is lighter (0.05 g/cm³ vs 0.19 g/cm³ for Cork Composite Core) and 5056 Aluminum Honeycomb is stiffer (1 GPa vs 0.02 GPa). On the shop floor, Cork Composite Core machines more easily (excellent vs fair) and Cork Composite Core sits in a lower cost tier (premium, $$$) than 5056 Aluminum Honeycomb (high, $$$$).

5056 Aluminum HoneycombChoose it when strength drives the design, or when weight is the constraint.

Cork Composite CoreChoose it when the part is machined in volume, or when cost is the deciding factor.

5056 Aluminum Honeycomb vs Cork Composite Core: properties

5056 Aluminum HoneycombCork Composite Core

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Elastic (Young's) Modulus

1 GPa0.15 Msi
0.02 GPa0 Msi

Shear Modulus

0.6 GPa0.09 Msi
0.01 GPa8.7×10⁻⁴ Msi

Tensile Strength (Ultimate)

4 MPa0.62 ksi
0.8 MPa0.12 ksi

Yield Strength (0.2% offset)

3 MPa0.49 ksi
—

Compressive Strength

4 MPa0.55 ksi
0.9 MPa0.13 ksi

Compressive Modulus

1 GPa0.15 Msi
0.02 GPa0 Msi

Shear Strength

2 MPa0.32 ksi
0.6 MPa0.09 ksi

Poisson's Ratio

—
0.1

Elongation at Break

—
10%

Compression Set (22 h, 70 °C)

—
12%

Physical

Density and transition temperatures.

Density

0.05 g/cm³0 lb/in³
0.19 g/cm³0.01 lb/in³

Water Absorption (24 h)

—
6%

Water Absorption (Saturation)

—
15%

Thermal

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

Thermal Conductivity

2.2 W/m·K1.3 BTU/hr·ft·°F
0.05 W/m·K0.03 BTU/hr·ft·°F

Specific Heat Capacity

900 J/kg·K0.21 BTU/lb·°F
1,700 J/kg·K0.41 BTU/lb·°F

Thermal Expansion (CTE, 20–100 °C)

24.1 µm/m·K13.4 µin/in·°F
50 µm/m·K27.8 µin/in·°F

Max Service Temperature (continuous)

175°C347 °F
120°C248 °F

Min Service Temperature

-200°C-328 °F
-60°C-76 °F

Limiting Oxygen Index

—
26%

Max Service Temperature (short-term)

—
150°C302 °F

Electrical

Conductivity and insulation.

Electrical Resistivity

3.2×10⁻⁶ Ω·m126 µΩ·in
—

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Corrosion Resistance

55 / 100
—

UV / Weathering Resistance

90 / 100
40 / 100

Manufacturability

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

Machinability

35 / 100
90 / 100

Sustainability

Primary-production footprint per kilogram.

Embodied Energy (primary production)

250 MJ/kg107,481 BTU/lb
6 MJ/kg2,580 BTU/lb

Embodied Carbon (primary production)

16.5 kg CO₂/kg
0.5 kg CO₂/kg

Embodied Water

1,200 L/kg144 gal/lb
—

Typical Recycled Content

10%
90%

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

86 kN·m/kg
4 kN·m/kg

Specific Stiffness (E / density)

20.6 MN·m/kg
0.1 MN·m/kg

Thermal Diffusivity

48.9 mm²/s
0.2 mm²/s

Same in both: Thermal Shock Resistance Index 0

Strength versus weight

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

1101001,000510Density (g/cm³)Yield strength (MPa) — log scale5056 Aluminum Honeycomb

Manufacturing and finishing

Capability5056 Aluminum HoneycombCork Composite Core
Default condition——
Relative cost$$$$ High$$$ Premium
Min. machined wall——
Best machined surface——

5056 Aluminum Honeycomb vs Cork Composite Core — frequently asked

Is 5056 Aluminum Honeycomb stronger than Cork Composite Core?

Yes. 5056 Aluminum Honeycomb has a typical tensile strength of 4 MPa (0.624 ksi) against 0.8 MPa (0.116 ksi) for Cork Composite Core — about 5.4 times as much.

Which is cheaper, 5056 Aluminum Honeycomb or Cork Composite Core?

Cork Composite Core is the lower-cost material: it sits in the premium tier ($$$) while 5056 Aluminum Honeycomb is high ($$$$). Part price depends far more on geometry, tolerance and quantity than on raw stock — upload a CAD file for a live quote.

Which is easier to machine, 5056 Aluminum Honeycomb or Cork Composite Core?

Cork Composite Core. Its machinability rates excellent (90/100) against fair (35/100) for 5056 Aluminum Honeycomb.

Ready to make it?

Upload a CAD file and FabDigit prices the part in 5056 Aluminum Honeycomb and Cork Composite Core 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.