Materials / Compare

Magnesium AZ31B-H24 vs. SLA Resin Elastic 50A

Compare Magnesium AZ31B-H24 vs. SLA Resin Elastic 50A strength, stiffness, weight and thermal properties.

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Magnesium AZ31B-H24Wrought
SLA Resin Elastic 50A3D printed (SLA resin)
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Mechanical
Yield strength220MPasourcetypical, H24, 0.5-6 mm, 0.2 % proof stressnot given (tensile used)
Ultimate tensile strength290MPasourcetypical, H24, 0.5-6 mm3.4MPasourcetypical
Elongation at break13%sourcetypical, H24, 0.5-6 mm, gauge 5.65√A160%sourcetypical
Young's modulus (stiffness)44.8GPasourcetypical (handbook physical constant)not sourced
Density1,769kg/m³sourcenominal1,010kg/m³sourcetypical
Strength to weight124kN·m/kg36.9x higher3.37kN·m/kg
Stiffness to weight25.3MN·m/kgnot sourced
Poisson's ratio0.35sourcetypical (handbook physical constant)not sourced
Shear modulus16.6GPanot sourced
Bulk modulus49.8GPanot sourced
Speed of sound5,032m/snot sourced
Thermal
Thermal conductivity76.9W/m·Ksourcetypical (temper/temperature not stated)not sourced
Thermal expansion26.8µm/m·Ksourcetypical (temperature range not stated)not sourced
100 mm part over a 50 °C swing134µm growthnot sourced
Specific heat1,040J/kg·Ksourcetypicalnot sourced
Heats up and cools (diffusivity)41.8mm²/snot sourced
Thermal shock resistance9,159W/mnot sourced
Glass transitionnot sourced-34.5°CsourceDMA
Max service temperature149°Csourcestated application limitnot sourced
Values forAZ31B-H24 sheet 0.016-0.062 in., MIL-HDBK-5J Table 4.2.1.0(b) (AMS 4377); strengths are S-basis MINIMUMSFormlabs Elastic 50A Resin V2 (FLELCL02), TDS Rev. 01 24.01.2024; parts printed on Form 3, 100 µm, Elastic 50A V2 settings and post-processing; tensile on Die C specimens cut from printed sheets after 3+ h at 23 °C.

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 Elastic 50A is 3D printed: its properties depend on build direction and print settings; these are typical values.

Questions

Is Magnesium AZ31B-H24 stronger than SLA Resin Elastic 50A?

Magnesium AZ31B-H24 is stronger: its yield strength is 220 MPa against tensile strength 3.4 MPa for SLA Resin Elastic 50A (64.7x).

Which is lighter, Magnesium AZ31B-H24 or SLA Resin Elastic 50A?

SLA Resin Elastic 50A is lighter: 1,010 kg/m³ against 1,769 kg/m³ for Magnesium AZ31B-H24.

Which is lighter for the same job, Magnesium AZ31B-H24 or SLA Resin Elastic 50A?

For the same stiffness or strength: Magnesium AZ31B-H24 is lighter for a strong rod or tie, strong beam, strong panel or plate.

Part that must beMagnesium AZ31B-H24SLA Resin Elastic 50A
Strong rod or tielighter36.9x heavier
Strong beamlighter9.2x heavier
Strong panel or platelighter4.59x 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).

Among 59 materials

1k10k0.1110100Density (kg/m³)Young's modulus (GPa)Plastic PLAPlastic PETGPlastic ABSPlastic TPUPlastic NylonAluminumSteelIronTitaniumSteel 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 718Zinc 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 SteelMagnesium AZ31B-H24
Stiffness against density
1k10k101001kDensity (kg/m³)Yield strength (MPa)Plastic PLAPlastic PETGPlastic ABSPlastic TPUPlastic NylonRubberAluminumSteelIronTitaniumSteel 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 718Zinc 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 2000SLS PA12 NylonDMLS AlSi10Mg AluminumDMLS Ti-6Al-4V ELI TitaniumDMLS 316L Stainless SteelDMLS 17-4PH Stainless SteelBrickMagnesium AZ31B-H24SLA Resin Elastic 50A
Strength against density

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