Materials / Compare

Concrete vs. Titanium

Compare Concrete vs. Titanium strength, stiffness, weight and thermal properties.

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ConcreteCast
TitaniumWrought
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Mechanical
Yield strengthnot sourced885MPasourcetypical, plate (>0.187 in), annealed, 0.2% offset
Ultimate tensile strengthnot sourced940MPasourcetypical, plate, annealed
Compressive strength27.6MPasourcespecified compressive strength class (f'c), not a measured typicalnot sourced
Elongation at breaknot sourced16%sourcetypical, in 2 in., plate annealed
Young's modulus (stiffness)not sourced107–122GPasourcetypical range, 20 °C
Density2,240–2,400kg/m³sourcerange for normalweight concrete4,430kg/m³sourcenominal
Strength to weightnot sourced200kN·m/kg
Stiffness to weightnot sourced25.8MN·m/kg
Poisson's ratio0.15–0.2sourcegeneral range at normal ambient conditions (overall 0.11-0.32)0.342sourcemean of TIMET measurements
Shear modulusnot sourced42.7GPa
Bulk modulusnot sourced121GPa
Speed of soundnot sourced5,084m/s
Thermal
Thermal conductivity0.9W/m·Ksourcetypical (comparative value)6.6W/m·Ksourcetypical, 20 °C, mill annealed
Thermal expansion8–12µm/m·Ksourcetypical range for portland cement concrete (aggregate dependent)9µm/m·Ksourcetypical, mean 0-100 °C
100 mm part over a 50 °C swing50µm growth45µm growth11% less
Specific heat900J/kg·Ksourcetypical (NIST guidance for thermal analysis)580J/kg·Ksourcetypical, 20 °C
Heats up and cools (diffusivity)0.431mm²/s2.57mm²/s5.96x faster
Thermal shock resistancenot sourced3,730W/m
Melting pointnot sourced1,630–1,650°Csourcemelting range
Max service temperature65°Csourcecode long-term temperature limit (ASME Code, concrete containments)400°Csourceupper recommended use temperature
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 reviewTIMETAL 6-4 (Ti-6Al-4V Grade 5) annealed plate typical (TIMET properties manual) + TIMET datasheet TMC-0150 physical properties

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 Titanium?

Concrete is lighter: 2,320 kg/m³ against 4,430 kg/m³ for Titanium.

Which conducts heat better, Concrete or Titanium?

Titanium conducts heat better: 6.6 W/m·K against 0.9 W/m·K for Concrete.

Which expands less with temperature?

Titanium expands less: 9 µm/m·K against 10 µm/m·K for Concrete.

Among 59 materials

1k10k0.1110100Density (kg/m³)Young's modulus (GPa)Plastic PLAPlastic PETGPlastic ABSPlastic TPUPlastic NylonAluminumSteelIronSteel 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 SteelTitanium
Stiffness against density
1k10k101001kDensity (kg/m³)Yield strength (MPa)Plastic PLAPlastic PETGPlastic ABSPlastic TPUPlastic NylonRubberAluminumSteelIronSteel 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 SteelBrickTitanium
Strength against density

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