Materials / Compare

Aluminum 2024-T351 vs. Aluminum A380

Compare Aluminum 2024-T351 vs. Aluminum A380 strength, stiffness, weight and thermal properties.

Aluminum 2024-T351Wrought
Aluminum A380Cast
MechanicalAluminum 2024-T351Aluminum A380
Yield strength324MPa12.02x stronger160MPa2
Ultimate tensile strength469MPa147% stronger320MPa2
Elongation at break19%15.43x more ductile3.5%2
Young's modulus (stiffness)73.1GPa171GPa2
Density2,770kg/m³12,713kg/m³2
Strength to weight117kN·m/kg1.98x higher59kN·m/kg
Stiffness to weight26.4MN·m/kg26.2MN·m/kg
Poisson's ratio0.3330.334
Shear modulus27.5GPa3% stiffer in shear26.7GPa
Bulk modulus71.7GPa3% higher69.6GPa
Speed of sound5,137m/s5,116m/s
1k10k0.1110100Density (kg/m³)Young's modulus (GPa)Plastic PLAPlastic PETGPlastic ABSPlastic TPUPlastic NylonWoodAluminumSteelIronTitaniumSteel AISI 1018Stainless Steel 304Stainless Steel 316Aluminum 6061-T6Aluminum 7075-T6Brass C360Copper C110Copper C10100Copper C12200GlassSteel AISI 1045Steel AISI 4340Steel A992Stainless Steel 303Stainless Steel 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 StandardSLA Resin Tough 2000SLS PA12 NylonDMLS AlSi10Mg AluminumDMLS Ti-6Al-4V ELI TitaniumDMLS 316L Stainless SteelDMLS 17-4PH Stainless SteelConcretePCB Laminate FR-4SiliconCeramic Alumina 96%Ceramic Aluminum NitrideAluminum 6063-T6Aluminum 1100-OAluminum 3003-OAluminum ADC12Magnesium AZ91DSolder SAC305Plastic PBT GF30Plastic PPS GF40Plastic LCP GF30Aluminum 2024-T351Aluminum A380
Stiffness against densityHigher and further left: stiffer for its weight
1k10k101001kDensity (kg/m³)Yield strength (MPa)Plastic PLAPlastic PETGPlastic ABSPlastic TPUPlastic NylonRubberWoodAluminumSteelIronTitaniumSteel AISI 1018Stainless Steel 304Stainless Steel 316Aluminum 6061-T6Aluminum 7075-T6Brass C360Copper C110Copper C10100Copper C12200GlassSteel AISI 1045Steel AISI 4340Steel A992Stainless Steel 303Stainless Steel 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 StandardSLA Resin Tough 2000SLA Resin Elastic 50ASLS PA12 NylonDMLS AlSi10Mg AluminumDMLS Ti-6Al-4V ELI TitaniumDMLS 316L Stainless SteelDMLS 17-4PH Stainless SteelBrickPCB Laminate FR-4SiliconCeramic Alumina 96%Aluminum 6063-T6Aluminum 1100-OAluminum 3003-OAluminum ADC12Magnesium AZ91DSolder SAC305Plastic PBT GF30Plastic PPS GF40Plastic LCP GF30Aluminum 2024-T351Aluminum A380
Strength against densityHigher and further left: stronger for its weight
ThermalAluminum 2024-T351Aluminum A380
Thermal conductivity120W/m·K125% more heat through a fin96.2W/m·K2
Thermal expansion22.9µm/m·K121.8µm/m·K2
100 mm part over a 50 °C swing115µm growth109µm growth5% less
Specific heat875J/kg·K1963J/kg·K2
Heats up and cools (diffusivity)49.5mm²/s34% faster36.8mm²/s
Thermal shock resistance15,561W/m2.33x more resistant6,669W/m
Melting pointmelting range502–638°C1not sourced
1k10k0.1110100Density (kg/m³)Thermal conductivity (W/m·K)Plastic PLAPlastic PETGPlastic ABSPlastic NylonRubberWoodAluminumSteelIronTitaniumSteel AISI 1018Stainless Steel 304Stainless Steel 316Aluminum 6061-T6Aluminum 7075-T6Brass C360Copper C110Copper C10100Copper C12200GlassSteel AISI 1045Steel AISI 4340Steel A992Stainless Steel 303Stainless Steel 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 HIPSSLA Resin StandardDMLS AlSi10Mg AluminumDMLS Ti-6Al-4V ELI TitaniumDMLS 316L Stainless SteelDMLS 17-4PH Stainless SteelConcreteBrickPCB Laminate FR-4SiliconCeramic Alumina 96%Ceramic Aluminum NitrideAluminum 6063-T6Aluminum 1100-OAluminum 3003-OAluminum ADC12Magnesium AZ91DSolder SAC305Plastic PBT GF30Plastic PPS GF40Plastic LCP GF30Aluminum 2024-T351Aluminum A380
Thermal conductivity against densityHigher and further left: spreads more heat for its weight
0.111010010100Thermal conductivity (W/m·K)Thermal expansion (µm/m·K)Plastic PETGPlastic ABSPlastic NylonWoodAluminumSteelIronTitaniumSteel AISI 1018Stainless Steel 304Stainless Steel 316Aluminum 6061-T6Aluminum 7075-T6Brass C360Copper C110Copper C10100Copper C12200GlassSteel AISI 1045Steel AISI 4340Steel A992Stainless Steel 303Stainless Steel 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 HIPSSLA Resin StandardDMLS AlSi10Mg AluminumDMLS Ti-6Al-4V ELI TitaniumDMLS 316L Stainless SteelDMLS 17-4PH Stainless SteelConcreteBrickPlywoodPCB Laminate FR-4SiliconCeramic Alumina 96%Ceramic Aluminum NitrideAluminum 6063-T6Aluminum 1100-OAluminum 3003-OAluminum ADC12Magnesium AZ91DSolder SAC305Plastic PBT GF30Plastic PPS GF40Plastic LCP GF30Aluminum 2024-T351Aluminum A380
Thermal expansion against thermal conductivityLower and further right: warps less when heated
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Sources4 documents: Kaiser Aluminum, Rheocast Company, U.S. Department of Defense, North American Die Casting Association
Aluminum 2024-T351
2024-T4/T351, Kaiser Aluminum sheet, coil & plate typical datasheet; Poisson from MIL-HDBK-5J
Aluminum A380
A380 aluminium high-pressure die-casting alloy, typical properties; Rheocast Company (aluminium die caster, Germantown WI) A380 alloy data page.
  1. 1
    Alloy 2024 Sheet, Coil & Plate Technical DataKaiser Aluminumarchived copyAluminum 2024-T351 · Yield strength: typical, 0.2% offset, .500 in dia specimenAluminum 2024-T351 · Ultimate tensile strength: typicalAluminum 2024-T351 · Elongation at break: typical, in 4DAluminum 2024-T351 · Young's modulus (stiffness): typicalAluminum 2024-T351 · Density: nominalAluminum 2024-T351 · Thermal conductivity: typical, 20 °CAluminum 2024-T351 · Thermal expansion: typical, mean 20-100 °CAluminum 2024-T351 · Specific heat: typical, at 100 °CAluminum 2024-T351 · Melting point: melting range
  2. 2
    Alloy Aluminum: A380Rheocast CompanyAluminum A380 · Yield strength: typical, 25 °CAluminum A380 · Ultimate tensile strength: typical, 25 °CAluminum A380 · Elongation at break: typicalAluminum A380 · Young's modulus (stiffness): typical, 25 °CAluminum A380 · Density: typical at 68 °FAluminum A380 · Thermal conductivity: typical at 68 °FAluminum A380 · Thermal expansion: typical, 68-572 °F (20-300 °C)Aluminum A380 · Specific heat: typical at 68 °F
  3. 3
    MIL-HDBK-5J, Metallic Materials and Elements for Aerospace Vehicle Structures (2003)U.S. Department of DefenseAluminum 2024-T351 · Poisson's ratio: typical (handbook physical constant), all tempers
  4. 4
    Product Design for Die Casting, Table 4.1: Die Casting Alloys Material Properties ComparisonNorth American Die Casting Associationarchived copyAluminum A380 · Poisson's ratio: typical, as-cast, separately die cast specimens

Each number points to the document that states it, with the exact basis. Values without a number are computed from the sourced ones. "Not sourced" means no citable source states it (or only a specification minimum); figures computed from it are left out too.

Questions

Mechanical

Is Aluminum 2024-T351 stronger than Aluminum A380?

Aluminum 2024-T351 is stronger: its yield strength is 324 MPa against 160 MPa for Aluminum A380 (2.02x).

Which is lighter, Aluminum 2024-T351 or Aluminum A380?

Aluminum A380 is lighter: 2,713 kg/m³ against 2,770 kg/m³ for Aluminum 2024-T351.

Which is stiffer, Aluminum 2024-T351 or Aluminum A380?

Aluminum 2024-T351 is stiffer: Young's modulus 73.1 GPa against 71 GPa for Aluminum A380, so the same part in Aluminum 2024-T351 deflects less under the same load.

Which is lighter for the same job, Aluminum 2024-T351 or Aluminum A380?

For the same stiffness or strength: Aluminum 2024-T351 is lighter for a strong rod or tie, strong beam, strong panel or plate; Aluminum A380 is lighter for a stiff panel or plate.

Part that must beAluminum 2024-T351Aluminum A380
Stiff rod or tie (tension)about equalabout equal
Stiff beam (bending)about equalabout equal
Stiff panel or plate1% heavierlighter
Strong rod or tielighter1.98x heavier
Strong beamlighter1.57x heavier
Strong panel or platelighter39% 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 is more ductile, Aluminum 2024-T351 or Aluminum A380?

Aluminum 2024-T351 stretches further before it breaks: 19% elongation at break against 3.5% for Aluminum A380.

Thermal

Which conducts heat better, Aluminum 2024-T351 or Aluminum A380?

Aluminum 2024-T351 conducts heat better: 120 W/m·K against 96.2 W/m·K for Aluminum A380.

Which expands less with temperature?

Aluminum A380 expands less: 21.8 µm/m·K against 22.9 µm/m·K for Aluminum 2024-T351.

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