Materials / Compare

Aluminum vs. Brick

Compare Aluminum vs. Brick strength, stiffness, weight and thermal properties.

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AluminumWrought
BrickNatural
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Mechanical
Yield strength276MPasourcetypical, 0.2% offset, .500 in dia specimennot given (tensile used)
Ultimate tensile strength310MPasourcetypical5.1MPasourcemodulus of rupture (no direct tensile value)
Compressive strengthnot sourced77.9MPasourcemean unit compressive strength, solid extruded brick (survey mean; SD 30.8 MPa)
Elongation at break17%sourcetypical, in 4D, 0.500 in dia specimennot sourced
Young's modulus (stiffness)68.3GPasourcetypicalnot sourced
Density2,700kg/m³sourcenominal2,082kg/m³sourceface brick density row used for k (BIA notes most fired clay brick 120-130 lb/ft3)
Strength to weight102kN·m/kg41.7x higher2.45kN·m/kg
Stiffness to weight25.3MN·m/kgnot sourced
Poisson's ratio0.33sourcetypical (handbook physical constant)not sourced
Shear modulus25.7GPanot sourced
Bulk modulus67GPanot sourced
Speed of sound5,030m/snot sourced
Thermal
Thermal conductivity167W/m·Ksourcetypical, 20 °C0.92–1.12W/m·Ksourcerange for 130 lb/ft3 face brick (ASHRAE 2013 via BIA)
Thermal expansion23.6µm/m·Ksourcetypical, mean 20-100 °C7.2µm/m·KsourceTMS Code average coefficient, clay/shale unit masonry
100 mm part over a 50 °C swing118µm growth36µm growth3.28x less
Specific heat896J/kg·Ksourcetypical, at 100 °C837J/kg·Ksourcevalue used in BIA heat-capacity sample calculation
Heats up and cools (diffusivity)69mm²/s118x faster0.585mm²/s
Thermal shock resistance19,159W/mnot sourced
Melting point582–652°Csourcesolidus-liquidusnot sourced
Values for6061-T6/T651, Kaiser Aluminum typical properties (sheet, coil & plate datasheet); Poisson from MIL-HDBK-5JSolid extruded clay/shale brick units (BIA 1993 manufacturer survey, TN 3A 2024); face brick of 130 lb/ft3 for thermal properties (BIA TN 4, from ASHRAE 2013); CTE is the TMS Code value for clay/shale masonry

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

Is Aluminum stronger than Brick?

Aluminum is stronger: its yield strength is 276 MPa against tensile strength 5.1 MPa for Brick (54.1x).

Which is lighter, Aluminum or Brick?

Brick is lighter: 2,082 kg/m³ against 2,700 kg/m³ for Aluminum.

Which is lighter for the same job, Aluminum or Brick?

For the same stiffness or strength: Aluminum is lighter for a strong rod or tie, strong beam, strong panel or plate.

Part that must beAluminumBrick
Strong rod or tielighter41.7x heavier
Strong beamlighter11x heavier
Strong panel or platelighter5.67x heavier

For the same stiffness or strength, mass scales with density over stiffness (or strength) raised to a power set by how the part is loaded: 1 for a rod in tension, 1/2 for a beam in bending, 1/3 for a panel (the standard material-selection indices).

Which conducts heat better, Aluminum or Brick?

Aluminum conducts heat better: 167 W/m·K against 1.02 W/m·K for Brick.

Which expands less with temperature?

Brick expands less: 7.2 µm/m·K against 23.6 µm/m·K for Aluminum.

Among 59 materials

1k10k0.1110100Density (kg/m³)Young's modulus (GPa)Plastic PLAPlastic PETGPlastic ABSPlastic TPUPlastic NylonSteelIronTitaniumSteel AISI 1018Stainless 304Stainless 316Aluminum 6061-T6Aluminum 7075-T6Brass C360Copper C110GlassSteel AISI 1045Steel AISI 4340Steel A992Stainless 303Stainless 17-4PHAluminum 2024-T351Aluminum 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
Stiffness against density
1k10k101001kDensity (kg/m³)Yield strength (MPa)Plastic PLAPlastic PETGPlastic ABSPlastic TPUPlastic NylonRubberSteelIronTitaniumSteel AISI 1018Stainless 304Stainless 316Aluminum 6061-T6Aluminum 7075-T6Brass C360Copper C110GlassSteel AISI 1045Steel AISI 4340Steel A992Stainless 303Stainless 17-4PHAluminum 2024-T351Aluminum 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 SteelAluminumBrick
Strength against density

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