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Concrete vs. Plastic ABS (bulk/injection)

Compare Concrete vs. Plastic ABS (bulk/injection) strength, stiffness, weight and thermal properties.

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ConcreteCast
Plastic ABS (bulk/injection)Bulk polymer (molded or machined)
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Mechanical
Yield strengthnot sourced45MPasourcetypical, tensile stress at yield 23 °C
Ultimate tensile strengthnot sourcednot sourced
Compressive strength27.6MPasourcespecified compressive strength class (f'c), not a measured typicalnot sourced
Flexural strengthnot sourced65MPasourcetypical, 23 °C
Elongation at breaknot sourced10%sourcenominal strain at break, 23 °C
Young's modulus (stiffness)not sourced2.3GPasourcetypical
Density2,240–2,400kg/m³sourcerange for normalweight concrete1,040kg/m³sourcetypical
Strength to weightnot sourced43.3kN·m/kg
Stiffness to weightnot sourced2.21MN·m/kg
Poisson's ratio0.15–0.2sourcegeneral range at normal ambient conditions (overall 0.11-0.32)0.39sourcetypical, ABS family (Covestro Part and Mold Design guide, Table 3-1)
Shear modulusnot sourced0.827GPa
Bulk modulusnot sourced3.48GPa
Speed of soundnot sourced1,487m/s
Thermal
Thermal conductivity0.9W/m·Ksourcetypical (comparative value)0.17W/m·Ksourcetypical
Thermal expansion8–12µm/m·Ksourcetypical range for portland cement concrete (aggregate dependent)80–110µm/m·Ksourcerange
100 mm part over a 50 °C swing50µm growth9.5x less475µm growth
Specific heat900J/kg·Ksourcetypical (NIST guidance for thermal analysis)not sourced
Heats up and cools (diffusivity)0.431mm²/snot sourced
Thermal shock resistancenot sourced21.4W/m
Max service temperature65°Csourcecode long-term temperature limit (ASME Code, concrete containments)94°CsourceHDT 1.8 MPa (annealed 4 h/80 °C)
Values forNormal-weight portland cement concrete, strength class f'c = 4000 psi (28 MPa) per NRMCA CIP 35; density NRMCA CIP 36; thermal conductivity USDA FPL Wood Handbook; service temperature ORNL/NRC reviewINEOS Styrolution Terluran GP-22 general-purpose injection-molding ABS, ISO typical values (TDS revision 08/01/2022)

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

Which is lighter, Concrete or Plastic ABS (bulk/injection)?

Plastic ABS (bulk/injection) is lighter: 1,040 kg/m³ against 2,320 kg/m³ for Concrete.

Which conducts heat better, Concrete or Plastic ABS (bulk/injection)?

Concrete conducts heat better: 0.9 W/m·K against 0.17 W/m·K for Plastic ABS (bulk/injection).

Which expands less with temperature?

Concrete expands less: 10 µm/m·K against 95 µm/m·K for Plastic ABS (bulk/injection).

Among 59 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 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 (bulk/injection)
Stiffness against density
1k10k101001kDensity (kg/m³)Yield strength (MPa)Plastic PLAPlastic PETGPlastic ABSPlastic TPUPlastic NylonRubberAluminumSteelIronTitaniumSteel 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 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 (bulk/injection)
Strength against density

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