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Aluminum 2024-T351 vs. Concrete

Compare Aluminum 2024-T351 vs. Concrete strength, stiffness, weight and thermal properties.

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Aluminum 2024-T351Wrought
ConcreteCast
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Mechanical
Yield strength324MPasourcetypical, 0.2% offset, .500 in dia specimennot sourced
Ultimate tensile strength469MPasourcetypicalnot sourced
Compressive strengthnot sourced27.6MPasourcespecified compressive strength class (f'c), not a measured typical
Elongation at break19%sourcetypical, in 4Dnot sourced
Young's modulus (stiffness)73.1GPasourcetypicalnot sourced
Density2,770kg/m³sourcenominal2,240–2,400kg/m³sourcerange for normalweight concrete
Strength to weight117kN·m/kgnot sourced
Stiffness to weight26.4MN·m/kgnot sourced
Poisson's ratio0.33sourcetypical (handbook physical constant), all tempers0.15–0.2sourcegeneral range at normal ambient conditions (overall 0.11-0.32)
Shear modulus27.5GPanot sourced
Bulk modulus71.7GPanot sourced
Speed of sound5,137m/snot sourced
Thermal
Thermal conductivity120W/m·Ksourcetypical, 20 °C0.9W/m·Ksourcetypical (comparative value)
Thermal expansion22.9µm/m·Ksourcetypical, mean 20-100 °C8–12µm/m·Ksourcetypical range for portland cement concrete (aggregate dependent)
100 mm part over a 50 °C swing115µm growth50µm growth2.29x less
Specific heat875J/kg·Ksourcetypical, at 100 °C900J/kg·Ksourcetypical (NIST guidance for thermal analysis)
Heats up and cools (diffusivity)49.5mm²/s115x faster0.431mm²/s
Thermal shock resistance15,561W/mnot sourced
Melting point502–638°Csourcemelting rangenot sourced
Max service temperaturenot sourced65°Csourcecode long-term temperature limit (ASME Code, concrete containments)
Values for2024-T4/T351, Kaiser Aluminum sheet, coil & plate typical datasheet; Poisson from MIL-HDBK-5JNormal-weight portland cement concrete, strength class f'c = 4000 psi (28 MPa) per NRMCA CIP 35; density NRMCA CIP 36; thermal conductivity USDA FPL Wood Handbook; service temperature ORNL/NRC review

Every value links to the document that states it. "Not sourced" means no citable source states it (or only a specification minimum); figures computed from it are left out too.

Questions

Which is lighter, Aluminum 2024-T351 or Concrete?

Concrete is lighter: 2,320 kg/m³ against 2,770 kg/m³ for Aluminum 2024-T351.

Which conducts heat better, Aluminum 2024-T351 or Concrete?

Aluminum 2024-T351 conducts heat better: 120 W/m·K against 0.9 W/m·K for Concrete.

Which expands less with temperature?

Concrete expands less: 10 µm/m·K against 22.9 µm/m·K for Aluminum 2024-T351.

Among 59 materials

1k10k0.1110100Density (kg/m³)Young's modulus (GPa)Plastic PLAPlastic PETGPlastic ABSPlastic TPUPlastic NylonAluminumSteelIronTitaniumSteel AISI 1018Stainless 304Stainless 316Aluminum 6061-T6Aluminum 7075-T6Brass C360Copper C110GlassSteel AISI 1045Steel AISI 4340Steel A992Stainless 303Stainless 17-4PHAluminum 5052-H32Aluminum 7050-T7451Titanium Ti-6Al-4VBrass C260Nickel Inconel 718Magnesium AZ31B-H24Zinc Zamak 3Plastic ABS (bulk/injection)Plastic PolycarbonatePlastic POM/AcetalPlastic Nylon PA6Plastic Nylon PA66Plastic PEEKPlastic UHMWPEPlastic HDPEPlastic PolypropylenePlastic PMMAFDM ASAFDM PolycarbonateFDM PAHT-CFFDM HIPSSLA Resin Tough 2000SLS PA12 NylonDMLS AlSi10Mg AluminumDMLS Ti-6Al-4V ELI TitaniumDMLS 316L Stainless SteelDMLS 17-4PH Stainless SteelAluminum 2024-T351
Stiffness against density
1k10k101001kDensity (kg/m³)Yield strength (MPa)Plastic PLAPlastic PETGPlastic ABSPlastic TPUPlastic NylonRubberAluminumSteelIronTitaniumSteel AISI 1018Stainless 304Stainless 316Aluminum 6061-T6Aluminum 7075-T6Brass C360Copper C110GlassSteel AISI 1045Steel AISI 4340Steel A992Stainless 303Stainless 17-4PHAluminum 5052-H32Aluminum 7050-T7451Titanium Ti-6Al-4VBrass C260Nickel Inconel 718Magnesium AZ31B-H24Zinc Zamak 3Plastic ABS (bulk/injection)Plastic PolycarbonatePlastic POM/AcetalPlastic Nylon PA6Plastic Nylon PA66Plastic PEEKPlastic PTFEPlastic UHMWPEPlastic HDPEPlastic PolypropylenePlastic PMMAFDM ASAFDM PolycarbonateFDM PAHT-CFFDM HIPSSLA Resin Tough 2000SLA Resin Elastic 50ASLS PA12 NylonDMLS AlSi10Mg AluminumDMLS Ti-6Al-4V ELI TitaniumDMLS 316L Stainless SteelDMLS 17-4PH Stainless SteelBrickAluminum 2024-T351
Strength against density

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