Materials / Compare

Aluminum ADC12 vs. Brick

Compare Aluminum ADC12 vs. Brick strength, stiffness, weight and thermal properties.

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Aluminum ADC12Cast
BrickNatural
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Mechanical
Yield strength149MPasourceone test result, 0.2% proof stress, as cast, ASTM tensile bar (Daiki)not given (tensile used)
Ultimate tensile strength345MPasourceone test result, as cast, ASTM tensile bar (Daiki)5.1MPasourcemodulus of rupture (no direct tensile value)
Compressive strengthnot sourced77.9MPasourcemean unit compressive strength, solid extruded brick (survey mean; SD 30.8 MPa)
Elongation at break2.3%sourceone test result, as cast, ASTM tensile bar (Daiki)not sourced
Young's modulus (stiffness)79.8GPasourcestandard value (S.S.Aluminum)not sourced
Density2,680kg/m³sourcemeasured (Daiki)2,082kg/m³sourceface brick density row used for k (BIA notes most fired clay brick 120-130 lb/ft3)
Strength to weight55.6kN·m/kg22.7x higher2.45kN·m/kg
Stiffness to weight29.8MN·m/kgnot sourced
Poisson's rationot sourcednot sourced
Shear modulusnot sourcednot sourced
Bulk modulusnot sourcednot sourced
Speed of sound5,457m/snot sourced
Thermal
Thermal conductivity125W/m·Ksourcemeasured on specimens cut from a 50 x 100 x 5 mm flat die casting (Daiki)0.92–1.12W/m·Ksourcerange for 130 lb/ft3 face brick (ASHRAE 2013 via BIA)
Thermal expansion21µm/m·Ksourcemeasured, temperature range not stated (Daiki)7.2µm/m·KsourceTMS Code average coefficient, clay/shale unit masonry
100 mm part over a 50 °C swing105µm growth36µm growth2.92x less
Specific heat911J/kg·Ksourcemeasured (Daiki)837J/kg·Ksourcevalue used in BIA heat-capacity sample calculation
Heats up and cools (diffusivity)51.2mm²/s87.5x faster0.585mm²/s
Thermal shock resistancenot sourcednot sourced
Melting point515–582°Csourcesolidus-liquidus (Daiki)not sourced
Values forJIS ADC12 (Al-Si-Cu, about A383 / EN AC-46100) high-pressure die-casting alloy, as cast; physical properties from Daiki Aluminium Industry (ADC12 ingot producer) measured values; modulus from S.S.Aluminum (ADC12 ingot producer) standard values.Solid 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 ADC12 stronger than Brick?

Aluminum ADC12 is stronger: its yield strength is 149 MPa against tensile strength 5.1 MPa for Brick (29.2x).

Which is lighter, Aluminum ADC12 or Brick?

Brick is lighter: 2,082 kg/m³ against 2,680 kg/m³ for Aluminum ADC12.

Which is lighter for the same job, Aluminum ADC12 or Brick?

For the same stiffness or strength: Aluminum ADC12 is lighter for a strong rod or tie, strong beam, strong panel or plate.

Part that must beAluminum ADC12Brick
Strong rod or tielighter22.7x heavier
Strong beamlighter7.37x heavier
Strong panel or platelighter4.2x 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 ADC12 or Brick?

Aluminum ADC12 conducts heat better: 125 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 21 µm/m·K for Aluminum ADC12.

Among 72 materials

1k10k0.1110100Density (kg/m³)Young's modulus (GPa)Plastic PLAPlastic PETGPlastic ABSPlastic TPUPlastic NylonAluminumSteelIronTitaniumSteel AISI 1018Stainless Steel 304Stainless Steel 316Aluminum 6061-T6Aluminum 7075-T6Brass C360Copper C110GlassSteel AISI 1045Steel AISI 4340Steel A992Stainless Steel 303Stainless Steel 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 SteelPCB Laminate FR-4SiliconCeramic Alumina 96%Ceramic Aluminum NitrideAluminum A380Aluminum 6063-T6Aluminum 1100-OMagnesium AZ91DSolder SAC305Plastic PBT GF30Plastic PPS GF40Plastic LCP GF30Aluminum ADC12
Stiffness against density
1k10k101001kDensity (kg/m³)Yield strength (MPa)Plastic PLAPlastic PETGPlastic ABSPlastic TPUPlastic NylonRubberAluminumSteelIronTitaniumSteel AISI 1018Stainless Steel 304Stainless Steel 316Aluminum 6061-T6Aluminum 7075-T6Brass C360Copper C110GlassSteel AISI 1045Steel AISI 4340Steel A992Stainless Steel 303Stainless Steel 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 SteelPCB Laminate FR-4SiliconCeramic Alumina 96%Aluminum A380Aluminum 6063-T6Aluminum 1100-OMagnesium AZ91DSolder SAC305Plastic PBT GF30Plastic PPS GF40Plastic LCP GF30Aluminum ADC12Brick
Strength against density

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