Materials / Concrete
Concrete
Concrete strength, stiffness, density and thermal properties, with their source.
A panel in Concrete, mineral finish.
| Process | Cast |
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| Mechanical |
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| Yield strength | not sourced |
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| Ultimate tensile strength | not sourced |
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| Compressive strength | 27.6MPasourcespecified compressive strength class (f'c), not a measured typical |
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| Elongation at break | not sourced |
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| Young's modulus (stiffness) | not sourced |
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| Density | 2,240–2,400kg/m³sourcerange for normalweight concrete |
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| Strength to weight | not sourced |
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| Stiffness to weight | not sourced |
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| Poisson's ratio | 0.15–0.2sourcegeneral range at normal ambient conditions (overall 0.11-0.32) |
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| Shear modulus | not sourced |
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| Bulk modulus | not sourced |
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| Speed of sound | not sourced |
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| Thermal |
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| Thermal conductivity | 0.9W/m·Ksourcetypical (comparative value) |
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| Thermal expansion | 8–12µm/m·Ksourcetypical range for portland cement concrete (aggregate dependent) |
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| 100 mm part over a 50 °C swing | 50µm growth |
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| Specific heat | 900J/kg·Ksourcetypical (NIST guidance for thermal analysis) |
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| Heats up and cools (diffusivity) | 0.431mm²/s |
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| Thermal shock resistance | not sourced |
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| Max service temperature | 65°Csourcecode long-term temperature limit (ASME Code, concrete containments) |
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| Values for | Normal-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 review |
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Among 59 materials
Stiffness against densityStrength against density