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Aluminum vs. SLA Resin Standard

Compare Aluminum vs. SLA Resin Standard strength, stiffness, weight and thermal properties.

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AluminumWrought
SLA Resin Standard3D printed (SLA resin)
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Mechanical
Yield strength276MPasourcetypical, 0.2% offset, .500 in dia specimennot given (tensile used)
Ultimate tensile strength310MPasourcetypical5.17x stronger60MPasourcetypical
Flexural strengthnot sourced105MPasourcetypical
Elongation at break17%sourcetypical, in 4D, 0.500 in dia specimen8%sourcetypical
Young's modulus (stiffness)68.3GPasourcetypical24.8x stiffer2.75GPasourcetypical
Density2,700kg/m³sourcenominalnot sourced
Strength to weight102kN·m/kgnot sourced
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 °Cnot sourced
Thermal expansion23.6µm/m·Ksourcetypical, mean 20-100 °Cnot sourced
100 mm part over a 50 °C swing118µm growthnot sourced
Specific heat896J/kg·Ksourcetypical, at 100 °Cnot sourced
Heats up and cools (diffusivity)69mm²/snot sourced
Thermal shock resistance19,159W/mnot sourced
Melting point582–652°Csourcesolidus-liquidusnot sourced
Max service temperaturenot sourced59°CsourceHDT 1.8 MPa
Values for6061-T6/T651, Kaiser Aluminum typical properties (sheet, coil & plate datasheet); Poisson from MIL-HDBK-5JFormlabs Clear Resin V5 (FLGPCL05), TDS Rev. 01 March 20, 2024; printed on Form 4 at 100 µm, washed 5 min in >=99% IPA, post-cured 15 min at 60 °C in Form Cure. Orientation not stated.

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.

SLA Resin Standard is 3D printed: its properties depend on build direction and print settings; these are typical values.

Questions

Is Aluminum stronger than SLA Resin Standard?

Aluminum is stronger: its yield strength is 276 MPa against tensile strength 60 MPa for SLA Resin Standard (4.6x).

Which is stiffer, Aluminum or SLA Resin Standard?

Aluminum is stiffer: Young's modulus 68.3 GPa against 2.75 GPa for SLA Resin Standard, so the same part in Aluminum deflects less under the same load.

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 SteelBrickAluminum
Strength against density

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