Materials / Iron
Iron (commercially pure) strength, stiffness, density and thermal properties, with their source.
A bracket in Iron, brushed finish.
Process Wrought Mechanical Yield strength 186 MPa source typical (0.2% YS), hot rolled + SRA/recrystallization anneal Ultimate tensile strength 290 MPa source typical, SRA/recrystallization anneal Elongation at break 38 % source typical, gauge 4D0 Young's modulus (stiffness) 207 GPa source typical, after SRA/recrystallization anneal Density 7,860 kg/m³ source typical Strength to weight 23.7 kN·m/kg Stiffness to weight 26.3 MN·m/kg Poisson's ratio 0.282 source NIST critically evaluated best value (polycrystalline iron) Shear modulus 80.7 GPa Bulk modulus 158 GPa Speed of sound 5,132 m/s Thermal Thermal conductivity 73.2 W/m·K source typical at 20 °C Thermal expansion 13.7 µm/m·K source mean, 20-399 °C 100 mm part over a 50 °C swing 68.5 µm growth Specific heat 450 J/kg·K source typical Heats up and cools (diffusivity) 20.7 mm²/s Thermal shock resistance 3,447 W/m Melting point 1,532 °C source typical Values for Cleveland-Cliffs / AK Steel ARMCO Pure Iron Product Data Bulletin (07/2022): Table 1 typical physical properties, Table 2 typical mechanical properties after SRA/recrystallization anneal.
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 Titanium Steel AISI 1018 Stainless 304 Stainless 316 Aluminum 6061-T6 Aluminum 7075-T6 Brass C360 Copper C110 Glass 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 Iron 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 Titanium Steel AISI 1018 Stainless 304 Stainless 316 Aluminum 6061-T6 Aluminum 7075-T6 Brass C360 Copper C110 Glass 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 Iron Strength against density