Materials / Compare
Concrete vs. Glass Compare Concrete vs. Glass strength, stiffness, weight and thermal properties.
Change either side
Plastic PLA Plastic PETG Plastic ABS Plastic TPU Plastic Nylon Plastic ABS (bulk/injection) Plastic Polycarbonate Plastic POM/Acetal Plastic Nylon PA6 Plastic Nylon PA66 Plastic PEEK Plastic PTFE Plastic UHMWPE Plastic HDPE Plastic Polypropylene Plastic PMMA Rubber Wood Aluminum Aluminum 6061-T6 Aluminum 7075-T6 Aluminum 2024-T351 Aluminum 5052-H32 Aluminum 7050-T7451 Steel Steel AISI 1018 Steel AISI 1045 Steel AISI 4340 Steel A992 Iron Titanium Titanium Ti-6Al-4V Stainless 304 Stainless 316 Stainless 303 Stainless 17-4PH Brass C360 Brass C260 Copper C110 Glass Nickel Inconel 718 Magnesium AZ31B-H24 Zinc Zamak 3 FDM ASA FDM Polycarbonate FDM PAHT-CF FDM HIPS SLA Resin Standard SLA Resin Tough 2000 SLA Resin Elastic 50A SLS PA12 Nylon DMLS AlSi10Mg Aluminum DMLS Ti-6Al-4V ELI Titanium DMLS 316L Stainless Steel DMLS 17-4PH Stainless Steel Concrete Brick Plywood Drywall Concrete Cast Plastic PLA Plastic PETG Plastic ABS Plastic TPU Plastic Nylon Plastic ABS (bulk/injection) Plastic Polycarbonate Plastic POM/Acetal Plastic Nylon PA6 Plastic Nylon PA66 Plastic PEEK Plastic PTFE Plastic UHMWPE Plastic HDPE Plastic Polypropylene Plastic PMMA Rubber Wood Aluminum Aluminum 6061-T6 Aluminum 7075-T6 Aluminum 2024-T351 Aluminum 5052-H32 Aluminum 7050-T7451 Steel Steel AISI 1018 Steel AISI 1045 Steel AISI 4340 Steel A992 Iron Titanium Titanium Ti-6Al-4V Stainless 304 Stainless 316 Stainless 303 Stainless 17-4PH Brass C360 Brass C260 Copper C110 Glass Nickel Inconel 718 Magnesium AZ31B-H24 Zinc Zamak 3 FDM ASA FDM Polycarbonate FDM PAHT-CF FDM HIPS SLA Resin Standard SLA Resin Tough 2000 SLA Resin Elastic 50A SLS PA12 Nylon DMLS AlSi10Mg Aluminum DMLS Ti-6Al-4V ELI Titanium DMLS 316L Stainless Steel DMLS 17-4PH Stainless Steel Concrete Brick Plywood Drywall Glass Natural Try it on a partA panel to run stress or thermal on, free in your browser Open in LessCAD Open in LessCAD Mechanical Yield strength not sourced not given (tensile used) Ultimate tensile strength not sourced 41 MPa source typical mean surface tensile stress at fracture (MOR), 60 s load, weathered, 50% breakage probability Compressive strength 27.6 MPa source specified compressive strength class (f'c), not a measured typical not sourced Flexural strength not sourced 41 MPa source mean MOR (same value as tensile) Elongation at break not sourced not sourced Young's modulus (stiffness) not sourced 72 GPa source typical Density 2,240–2,400 kg/m³ source range for normalweight concrete 2,500 kg/m³ source typical Strength to weight not sourced 16.4 kN·m/kg Stiffness to weight not sourced 28.8 MN·m/kg Poisson's ratio 0.15–0.2 source general range at normal ambient conditions (overall 0.11-0.32) 0.22 source typical Shear modulus not sourced 29.5 GPa Bulk modulus not sourced 42.9 GPa Speed of sound not sourced 5,367 m/s Thermal Thermal conductivity 0.9 W/m·K source typical (comparative value) 0.937 W/m·K source typical at 75 F Thermal expansion 8–12 µm/m·K source typical range for portland cement concrete (aggregate dependent) 8.3 µm/m·K source typical, 75-575 F 100 mm part over a 50 °C swing 50 µm growth 41.5 µm growth 20% less Specific heat 900 J/kg·K source typical (NIST guidance for thermal analysis) 880 J/kg·K source typical at 75 F Heats up and cools (diffusivity) 0.431 mm²/s 1% faster 0.426 mm²/s Thermal shock resistance not sourced 50.1 W/m Max service temperature 65 °C source code long-term temperature limit (ASME Code, concrete containments) 511 °C source strain point (ASTM C336) - stress-relaxation onset, not a rated service limit 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 Annealed soda-lime-silica float glass, Pilkington North America Technical Bulletin ATS-129 (04/2025)
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 Glass? Concrete is lighter: 2,320 kg/m³ against 2,500 kg/m³ for Glass.
Which conducts heat better, Concrete or Glass? Glass conducts heat better: 0.937 W/m·K against 0.9 W/m·K for Concrete.
Which expands less with temperature? Glass expands less: 8.3 µm/m·K against 10 µm/m·K for Concrete.
Among 59 materials 1k 10k 0.1 1 10 100 Density (kg/m³) Young's modulus (GPa) Plastic PLA Plastic PETG Plastic ABS Plastic TPU Plastic Nylon Aluminum Steel Iron Titanium Steel AISI 1018 Stainless 304 Stainless 316 Aluminum 6061-T6 Aluminum 7075-T6 Brass C360 Copper C110 Steel AISI 1045 Steel AISI 4340 Steel A992 Stainless 303 Stainless 17-4PH Aluminum 2024-T351 Aluminum 5052-H32 Aluminum 7050-T7451 Titanium Ti-6Al-4V Brass C260 Nickel Inconel 718 Magnesium AZ31B-H24 Zinc Zamak 3 Plastic ABS (bulk/injection) Plastic Polycarbonate Plastic POM/Acetal Plastic Nylon PA6 Plastic Nylon PA66 Plastic PEEK Plastic UHMWPE Plastic HDPE Plastic Polypropylene Plastic PMMA FDM ASA FDM Polycarbonate FDM PAHT-CF FDM HIPS SLA Resin Tough 2000 SLS PA12 Nylon DMLS AlSi10Mg Aluminum DMLS Ti-6Al-4V ELI Titanium DMLS 316L Stainless Steel DMLS 17-4PH Stainless Steel Glass Stiffness against density 1k 10k 10 100 1k Density (kg/m³) Yield strength (MPa) Plastic PLA Plastic PETG Plastic ABS Plastic TPU Plastic Nylon Rubber Aluminum Steel Iron Titanium Steel AISI 1018 Stainless 304 Stainless 316 Aluminum 6061-T6 Aluminum 7075-T6 Brass C360 Copper C110 Steel AISI 1045 Steel AISI 4340 Steel A992 Stainless 303 Stainless 17-4PH Aluminum 2024-T351 Aluminum 5052-H32 Aluminum 7050-T7451 Titanium Ti-6Al-4V Brass C260 Nickel Inconel 718 Magnesium AZ31B-H24 Zinc Zamak 3 Plastic ABS (bulk/injection) Plastic Polycarbonate Plastic POM/Acetal Plastic Nylon PA6 Plastic Nylon PA66 Plastic PEEK Plastic PTFE Plastic UHMWPE Plastic HDPE Plastic Polypropylene Plastic PMMA FDM ASA FDM Polycarbonate FDM PAHT-CF FDM HIPS SLA Resin Tough 2000 SLA Resin Elastic 50A SLS PA12 Nylon DMLS AlSi10Mg Aluminum DMLS Ti-6Al-4V ELI Titanium DMLS 316L Stainless Steel DMLS 17-4PH Stainless Steel Brick Glass Strength against density