ASTM A209 Steel vs. C51900 Bronze
ASTM A209 steel belongs to the iron alloys classification, while C51900 bronze belongs to the copper alloys. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.
For each property being compared, the top bar is ASTM A209 steel and the bottom bar is C51900 bronze.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 110 |
| Elongation at Break, % | 34 | |
| 14 to 29 |
| Poisson's Ratio | 0.29 | |
| 0.34 |
| Rockwell B Hardness | 77 to 81 | |
| 42 to 91 |
| Shear Modulus, GPa | 73 | |
| 42 |
| Shear Strength, MPa | 280 to 310 | |
| 320 to 370 |
| Tensile Strength: Ultimate (UTS), MPa | 420 to 460 | |
| 380 to 620 |
| Tensile Strength: Yield (Proof), MPa | 220 to 250 | |
| 390 to 570 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 200 |
| Maximum Temperature: Mechanical, °C | 410 | |
| 180 |
| Melting Completion (Liquidus), °C | 1470 | |
| 1040 |
| Melting Onset (Solidus), °C | 1420 to 1430 | |
| 930 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 380 |
| Thermal Conductivity, W/m-K | 50 | |
| 66 |
| Thermal Expansion, µm/m-K | 13 | |
| 18 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.1 | |
| 14 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.1 to 8.2 | |
| 14 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.4 | |
| 33 |
| Density, g/cm3 | 7.9 | |
| 8.8 |
| Embodied Carbon, kg CO2/kg material | 1.5 | |
| 3.2 |
| Embodied Energy, MJ/kg | 20 | |
| 51 |
| Embodied Water, L/kg | 47 | |
| 360 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 120 to 130 | |
| 55 to 180 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 130 to 170 | |
| 680 to 1450 |
| Stiffness to Weight: Axial, points | 13 | |
| 7.0 |
| Stiffness to Weight: Bending, points | 24 | |
| 18 |
| Strength to Weight: Axial, points | 15 to 16 | |
| 12 to 19 |
| Strength to Weight: Bending, points | 16 to 17 | |
| 13 to 18 |
| Thermal Diffusivity, mm2/s | 13 | |
| 20 |
| Thermal Shock Resistance, points | 12 to 14 | |
| 14 to 22 |