Materials / Compare

Aluminum 6063-T6 vs. Rubber

Compare Aluminum 6063-T6 vs. Rubber strength, stiffness, weight and thermal properties.

Change either side
Aluminum 6063-T6Wrought
RubberBulk polymer (molded or machined)
Try it on a partA bracket to run stress or thermal on, free in your browserOpen in LessCADOpen in LessCAD
Mechanical
Yield strength215MPasourcetypical, T6, 0.0625 in specimennot given (tensile used)
Ultimate tensile strength240MPasourcetypical, T623MPasourcetypical
Elongation at break12%sourcetypical, T6, in 4D830%sourcetypical
Young's modulus (stiffness)69GPasourcetypicalnot sourced
Density2,700kg/m³sourcenominal, 20 °C960kg/m³sourcetypical (specific gravity)
Strength to weight79.6kN·m/kg3.32x higher24kN·m/kg
Stiffness to weight25.6MN·m/kgnot sourced
Poisson's rationot sourced0.5sourcegovernment (NBS J. Res. 68A, 1964): computed by NBS for peroxide-cured gum NR vulcanizate, 25 °C, infinitesimal deformation0.49 in the solver: the linear element locks as the ratio nears 0.5 (nearly incompressible).
Shear modulusnot sourcednot sourced
Bulk modulusnot sourcednot sourced
Speed of sound5,055m/snot sourced
Thermal
Thermal conductivity201W/m·Ksourcetypical, T6, 20 °C0.151W/m·Ksourcegovernment selected value (US Army Natick Laboratories TR 66-49-PR, 1966), soft vulcanized natural rubber, 25 °C
Thermal expansion23.4µm/m·Ksourcetypical, mean 20-100 °Cnot sourced
100 mm part over a 50 °C swing117µm growthnot sourced
Specific heat901J/kg·Ksourcetypical, 20 °C (Hydro EN AW-6063)1,881J/kg·Ksourcegovernment (NBS J. Res. 68A, Table 7; values observed for unvulcanized NR by Bekkedahl and Matheson), 25 °C
Heats up and cools (diffusivity)82.6mm²/s988x faster0.0836mm²/s
Thermal shock resistancenot sourcednot sourced
Melting point615–655°Csourcemelting rangenot sourced
Max service temperaturenot sourced70°Csourcecontinuous use operating range
Values for6063-T6 extruded tube, Kaiser Aluminum Tube & Pipe Alloy 6063 Technical Data (Rev. 05/06), typical properties; specific heat from Hydro EN AW-6063 extruded-products datasheet (Rev.4, 03/2023).Weir Minerals Linatex Premium rubber (95 % natural rubber), typical physical properties, spec sheet WMD0118/202305

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 6063-T6 stronger than Rubber?

Aluminum 6063-T6 is stronger: its yield strength is 215 MPa against tensile strength 23 MPa for Rubber (9.35x).

Which is lighter, Aluminum 6063-T6 or Rubber?

Rubber is lighter: 960 kg/m³ against 2,700 kg/m³ for Aluminum 6063-T6.

Which is lighter for the same job, Aluminum 6063-T6 or Rubber?

For the same stiffness or strength: Aluminum 6063-T6 is lighter for a strong rod or tie, strong beam, strong panel or plate.

Part that must beAluminum 6063-T6Rubber
Strong rod or tielighter3.32x heavier
Strong beamlighter1.58x heavier
Strong panel or platelighter9% 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 6063-T6 or Rubber?

Aluminum 6063-T6 conducts heat better: 201 W/m·K against 0.151 W/m·K for Rubber.

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 1100-OAluminum ADC12Magnesium AZ91DSolder SAC305Plastic PBT GF30Plastic PPS GF40Plastic LCP GF30Aluminum 6063-T6
Stiffness against density
1k10k101001kDensity (kg/m³)Yield strength (MPa)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 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 SteelBrickPCB Laminate FR-4SiliconCeramic Alumina 96%Aluminum A380Aluminum 1100-OAluminum ADC12Magnesium AZ91DSolder SAC305Plastic PBT GF30Plastic PPS GF40Plastic LCP GF30Aluminum 6063-T6Rubber
Strength against density

Related comparisons