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5052-H39 Aluminum Honeycomb vs Fiberglass/Phenolic Honeycomb (HRP)

Composite · grade comparison

5052-H39 Aluminum Honeycomb and Fiberglass/Phenolic Honeycomb (HRP) are both composite grades. Fiberglass/Phenolic Honeycomb (HRP) is the stronger of the two: tensile strength 4 MPa (0.537 ksi) against 3 MPa (0.406 ksi) for 5052-H39 Aluminum Honeycomb, about 32% more. 5052-H39 Aluminum Honeycomb is lighter (0.05 g/cm³ vs 0.06 g/cm³ for Fiberglass/Phenolic Honeycomb (HRP)) and 5052-H39 Aluminum Honeycomb is stiffer (0.52 GPa vs 0.28 GPa). On the shop floor, 5052-H39 Aluminum Honeycomb sits in a lower cost tier (premium, $$$) than Fiberglass/Phenolic Honeycomb (HRP) (high, $$$$).

5052-H39 Aluminum HoneycombChoose it when weight is the constraint, or when cost is the deciding factor.

Fiberglass/Phenolic Honeycomb (HRP)Choose it when strength drives the design.

5052-H39 Aluminum Honeycomb vs Fiberglass/Phenolic Honeycomb (HRP): properties

5052-H39 Aluminum HoneycombFiberglass/Phenolic Honeycomb (HRP)

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Elastic (Young's) Modulus

0.52 GPa0.08 Msi
0.28 GPa0.04 Msi

Shear Modulus

0.31 GPa0.04 Msi
0.12 GPa0.02 Msi

Poisson's Ratio

0.33
—

Tensile Strength (Ultimate)

3 MPa0.41 ksi
4 MPa0.54 ksi

Yield Strength (0.2% offset)

1 MPa0.19 ksi
—

Compressive Strength

3 MPa0.37 ksi
4 MPa0.53 ksi

Compressive Modulus

0.52 GPa0.08 Msi
0.28 GPa0.04 Msi

Shear Strength

1 MPa0.21 ksi
2 MPa0.3 ksi

Physical

Density and transition temperatures.

Density

0.05 g/cm³0 lb/in³
0.06 g/cm³0 lb/in³

Glass Transition (Tg)

—
180°C356 °F

Thermal

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

Thermal Conductivity

2.5 W/m·K1.4 BTU/hr·ft·°F
0.06 W/m·K0.03 BTU/hr·ft·°F

Specific Heat Capacity

900 J/kg·K0.21 BTU/lb·°F
—

Thermal Expansion (CTE, 20–100 °C)

23.8 µm/m·K13.2 µin/in·°F
—

Min Service Temperature

-196°C-321 °F
-55°C-67 °F

Max Service Temperature (short-term)

250°C482 °F
205°C401 °F

Limiting Oxygen Index

—
45%

Same in both: Max Service Temperature (continuous) 177°C351 °F

Electrical

Conductivity and insulation.

Electrical Resistivity

2.7×10⁻⁶ Ω·m106 µΩ·in
1×10¹⁰ Ω·m3.94×10¹⁷ µΩ·in

Dielectric Constant (1 MHz)

—
1.1

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Corrosion Resistance

66 / 100
80 / 100

UV / Weathering Resistance

95 / 100
35 / 100

Manufacturability

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

Machinability

38 / 100
40 / 100

Sustainability

Primary-production footprint per kilogram.

Embodied Energy (primary production)

215 MJ/kg92,433 BTU/lb
60 MJ/kg25,795 BTU/lb

Embodied Carbon (primary production)

14 kg CO₂/kg
4.5 kg CO₂/kg

Embodied Water

1,200 L/kg144 gal/lb
—

Typical Recycled Content

10%
0%

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

56 kN·m/kg
58 kN·m/kg

Specific Stiffness (E / density)

10.5 MN·m/kg
4.3 MN·m/kg

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 HoneycombFiberglass/Phenolic Honeycomb (HRP)
Default condition——
Relative cost$$$ Premium$$$$ High
Min. machined wall——
Best machined surface——

5052-H39 Aluminum Honeycomb vs Fiberglass/Phenolic Honeycomb (HRP) — frequently asked

Is Fiberglass/Phenolic Honeycomb (HRP) stronger than 5052-H39 Aluminum Honeycomb?

Yes. Fiberglass/Phenolic Honeycomb (HRP) has a typical tensile strength of 4 MPa (0.537 ksi) against 3 MPa (0.406 ksi) for 5052-H39 Aluminum Honeycomb — about 32% more.

Which is cheaper, 5052-H39 Aluminum Honeycomb or Fiberglass/Phenolic Honeycomb (HRP)?

5052-H39 Aluminum Honeycomb is the lower-cost material: it sits in the premium tier ($$$) while Fiberglass/Phenolic Honeycomb (HRP) is high ($$$$). Part price depends far more on geometry, tolerance and quantity than on raw stock — upload a CAD file for a live quote.

When should I choose 5052-H39 Aluminum Honeycomb over Fiberglass/Phenolic Honeycomb (HRP)?

Pick 5052-H39 Aluminum Honeycomb when weight is the constraint, or when cost is the deciding factor. Pick Fiberglass/Phenolic Honeycomb (HRP) when strength drives the design.

Ready to make it?

Upload a CAD file and FabDigit prices the part in 5052-H39 Aluminum Honeycomb and Fiberglass/Phenolic Honeycomb (HRP) 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.