FabDigitFabDigit

5052-H39 Aluminum Honeycomb vs EPS Foam Core

Composite · grade comparison

5052-H39 Aluminum Honeycomb and EPS Foam Core are both composite grades. 5052-H39 Aluminum Honeycomb is the stronger of the two: tensile strength 3 MPa (0.406 ksi) against 0.25 MPa (0.0363 ksi) for EPS Foam Core, about 11 times as much. EPS Foam Core is lighter (0.02 g/cm³ vs 0.05 g/cm³ for 5052-H39 Aluminum Honeycomb) and 5052-H39 Aluminum Honeycomb is stiffer (0.52 GPa vs 0.01 GPa). On the shop floor, EPS Foam Core machines more easily (excellent vs fair) and EPS Foam Core sits in a lower cost tier (standard, $$) than 5052-H39 Aluminum Honeycomb (premium, $$$).

5052-H39 Aluminum HoneycombChoose it when strength drives the design, or when the part sees heat.

EPS Foam CoreChoose it when weight is the constraint, or when the part is machined in volume.

5052-H39 Aluminum Honeycomb vs EPS Foam Core: properties

5052-H39 Aluminum HoneycombEPS Foam Core

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Elastic (Young's) Modulus

0.52 GPa0.08 Msi
0.01 GPa7.25×10⁻⁴ Msi

Shear Modulus

0.31 GPa0.04 Msi
0 GPa3.05×10⁻⁴ Msi

Poisson's Ratio

0.33
0.1

Tensile Strength (Ultimate)

3 MPa0.41 ksi
0.25 MPa0.04 ksi

Yield Strength (0.2% offset)

1 MPa0.19 ksi
—

Compressive Strength

3 MPa0.37 ksi
0.11 MPa0.02 ksi

Compressive Modulus

0.52 GPa0.08 Msi
0.01 GPa7.25×10⁻⁴ Msi

Shear Strength

1 MPa0.21 ksi
0.14 MPa0.02 ksi

Elongation at Break

—
3.5%

Flexural Strength

—
0.24 MPa0.03 ksi

Flexural Modulus

—
0.01 GPa7.25×10⁻⁴ Msi

Compression Set (22 h, 70 °C)

—
5%

Physical

Density and transition temperatures.

Density

0.05 g/cm³0 lb/in³
0.02 g/cm³7.95×10⁻⁴ lb/in³

Glass Transition (Tg)

—
100°C212 °F

Water Absorption (24 h)

—
2%

Water Absorption (Saturation)

—
4%

Thermal

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

Thermal Conductivity

2.5 W/m·K1.4 BTU/hr·ft·°F
0.04 W/m·K0.02 BTU/hr·ft·°F

Specific Heat Capacity

900 J/kg·K0.21 BTU/lb·°F
1,300 J/kg·K0.31 BTU/lb·°F

Thermal Expansion (CTE, 20–100 °C)

23.8 µm/m·K13.2 µin/in·°F
65 µm/m·K36.1 µin/in·°F

Max Service Temperature (continuous)

177°C351 °F
75°C167 °F

Min Service Temperature

-196°C-321 °F
-80°C-112 °F

Max Service Temperature (short-term)

250°C482 °F
90°C194 °F

Limiting Oxygen Index

—
18%

Electrical

Conductivity and insulation.

Electrical Resistivity

2.7×10⁻⁶ Ω·m106 µΩ·in
1×10¹⁴ Ω·m3.94×10²¹ µΩ·in

Dielectric Constant (1 MHz)

—
1.03

Dissipation Factor (1 MHz)

—
3×10⁻⁴

Volume Resistivity

—
1×10¹⁶ Ω·cm

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Corrosion Resistance

66 / 100
80 / 100

UV / Weathering Resistance

95 / 100
15 / 100

Manufacturability

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

Machinability

38 / 100
85 / 100

Polishability

—
5 / 100

Mold Shrinkage

—
0.4%

Sustainability

Primary-production footprint per kilogram.

Embodied Energy (primary production)

215 MJ/kg92,433 BTU/lb
98 MJ/kg42,132 BTU/lb

Embodied Carbon (primary production)

14 kg CO₂/kg
3.3 kg CO₂/kg

Embodied Water

1,200 L/kg144 gal/lb
150 L/kg18 gal/lb

Typical Recycled Content

10%
5%

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

56 kN·m/kg
11 kN·m/kg

Specific Stiffness (E / density)

10.5 MN·m/kg
0.2 MN·m/kg

Thermal Diffusivity

55.9 mm²/s
1.2 mm²/s

Thermal Shock Resistance Index

1
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 scale5052-H39 Aluminum Honeycomb

Manufacturing and finishing

Capability5052-H39 Aluminum HoneycombEPS Foam Core
Default condition——
Relative cost$$$ Premium$$ Standard
Min. machined wall——
Best machined surface——

5052-H39 Aluminum Honeycomb vs EPS Foam Core — frequently asked

Is 5052-H39 Aluminum Honeycomb stronger than EPS Foam Core?

Yes. 5052-H39 Aluminum Honeycomb has a typical tensile strength of 3 MPa (0.406 ksi) against 0.25 MPa (0.0363 ksi) for EPS Foam Core — about 11 times as much.

Which is cheaper, 5052-H39 Aluminum Honeycomb or EPS Foam Core?

EPS Foam Core is the lower-cost material: it sits in the standard tier ($$) while 5052-H39 Aluminum Honeycomb is premium ($$$). 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, 5052-H39 Aluminum Honeycomb or EPS Foam Core?

EPS Foam Core. Its machinability rates excellent (85/100) against fair (38/100) for 5052-H39 Aluminum Honeycomb.

Ready to make it?

Upload a CAD file and FabDigit prices the part in 5052-H39 Aluminum Honeycomb and EPS Foam 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.