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Plastic ABS vs. Wood

Compare Plastic ABS vs. Wood strength, stiffness, weight and thermal properties.

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Plastic ABS3D printed (FDM)
WoodNatural
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Mechanical
Yield strength38.1MPasourcetypicalnot given (tensile used)
Ultimate tensile strength38.1MPasourcetypical, peak stress (= stress at yield)99MPasourcemodulus of rupture (no direct tensile value)
Compressive strengthnot sourced46.6MPasourcecompression parallel to grain (maximum crushing strength), 12% MC
Flexural strength61.1MPasourcetypical99MPasourcemodulus of rupture (static bending), 12% MC
Elongation at break4.6%sourcetypicalnot sourced
Young's modulus (stiffness)1.96GPasourcetypical12.5GPasourcebending MOE, parallel to grain
Density1,100kg/m³sourcetypicalnot sourced
Strength to weight34.6kN·m/kgnot sourced
Stiffness to weight1.78MN·m/kgnot sourced
Poisson's ratio0.39sourcebase material: ABS family typical (Covestro Part and Mold Design guide, Table 3-1)0.35sourcemu_LR (red oak group, ~12% MC)
Shear modulus0.706GPa4.63GPa6.56x stiffer in shear
Bulk modulus2.97GPa13.9GPa
Speed of sound1,336m/snot sourced
Thermal
Thermal conductivity0.17W/m·Ksourcebase material: INEOS Styrolution Terluran GP-22 injection-molding ABS, typical0.18W/m·Ksourceacross grain, 12% MC (Table 4-7, approximate)
Thermal expansion80–110µm/m·Ksourcebase material: INEOS Styrolution Terluran GP-22 injection-molding ABS, range3.1–4.5µm/m·Ksourceparallel to grain, ovendry wood, range across species
100 mm part over a 50 °C swing475µm growth19µm growth25x less
Specific heatnot sourced1,700J/kg·Ksourcesolid wood (all species), 12% MC, 27 C
Heats up and cools (diffusivity)not sourcednot sourced
Thermal shock resistance21.2W/m244W/m11.5x more resistant
Glass transition101°Csourcetypicalnot sourced
Max service temperature86.6°CsourceHDT 0.455 MPa (printed specimens)not sourced
Values forUltimaker ABS, 3D-printed specimens, XY (flat); Ultimaker S5 Pro, engineering intent profile, 0.15 mm layer height, AA 0.4 print core, 100% infill, Cura 4.9, printed one-at-a-time, conditioned >=24 h at room temperature. TDS v5.00, April 20, 2022.Northern red oak (Quercus rubra), clear straight-grained specimens at 12% MC, parallel to grain unless stated; USDA FPL Wood Handbook FPL-GTR-282 (2021) Ch. 4 and Ch. 5

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.

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

Questions

Is Plastic ABS stronger than Wood?

Wood is stronger: its tensile strength is 99 MPa against yield strength 38.1 MPa for Plastic ABS (2.6x).

Which is stiffer, Plastic ABS or Wood?

Wood is stiffer: Young's modulus 12.5 GPa against 1.96 GPa for Plastic ABS, so the same part in Wood deflects less under the same load.

Which conducts heat better, Plastic ABS or Wood?

Wood conducts heat better: 0.18 W/m·K against 0.17 W/m·K for Plastic ABS.

Which expands less with temperature?

Wood expands less: 3.8 µm/m·K against 95 µm/m·K for Plastic ABS.

Among 59 materials

1k10k0.1110100Density (kg/m³)Young's modulus (GPa)Plastic PLAPlastic PETGPlastic 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 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 SteelPlastic ABS
Stiffness against density
1k10k101001kDensity (kg/m³)Yield strength (MPa)Plastic PLAPlastic PETGPlastic 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 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 SteelBrickPlastic ABS
Strength against density

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