C63020 Bronze vs. ASTM A369 Grade FP21
C63020 bronze belongs to the copper alloys classification, while ASTM A369 grade FP21 belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.
For each property being compared, the top bar is C63020 bronze and the bottom bar is ASTM A369 grade FP21.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 190 |
| Elongation at Break, % | 6.8 | |
| 20 |
| Poisson's Ratio | 0.33 | |
| 0.29 |
| Shear Modulus, GPa | 44 | |
| 74 |
| Shear Strength, MPa | 600 | |
| 300 |
| Tensile Strength: Ultimate (UTS), MPa | 1020 | |
| 470 |
| Tensile Strength: Yield (Proof), MPa | 740 | |
| 240 |
Thermal Properties
| Latent Heat of Fusion, J/g | 230 | |
| 260 |
| Maximum Temperature: Mechanical, °C | 230 | |
| 470 |
| Melting Completion (Liquidus), °C | 1070 | |
| 1470 |
| Melting Onset (Solidus), °C | 1020 | |
| 1430 |
| Specific Heat Capacity, J/kg-K | 450 | |
| 470 |
| Thermal Conductivity, W/m-K | 40 | |
| 41 |
| Thermal Expansion, µm/m-K | 18 | |
| 13 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 29 | |
| 4.0 |
| Density, g/cm3 | 8.2 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 3.6 | |
| 1.8 |
| Embodied Energy, MJ/kg | 58 | |
| 23 |
| Embodied Water, L/kg | 390 | |
| 61 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 63 | |
| 80 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 2320 | |
| 150 |
| Stiffness to Weight: Axial, points | 8.0 | |
| 13 |
| Stiffness to Weight: Bending, points | 20 | |
| 24 |
| Strength to Weight: Axial, points | 34 | |
| 17 |
| Strength to Weight: Bending, points | 27 | |
| 17 |
| Thermal Diffusivity, mm2/s | 11 | |
| 11 |
| Thermal Shock Resistance, points | 35 | |
| 14 |
Alloy Composition
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| Aluminum (Al), % | 10 to 11 | |
| 0 |
| Carbon (C), % | 0 | |
| 0.050 to 0.15 |
| Chromium (Cr), % | 0 to 0.050 | |
| 2.7 to 3.4 |
| Cobalt (Co), % | 0 to 0.2 | |
| 0 |
| Copper (Cu), % | 74.7 to 81.8 | |
| 0 |
| Iron (Fe), % | 4.0 to 5.5 | |
| 94.3 to 96.2 |
| Lead (Pb), % | 0 to 0.030 | |
| 0 |
| Manganese (Mn), % | 0 to 1.5 | |
| 0.3 to 0.6 |
| Molybdenum (Mo), % | 0 | |
| 0.8 to 1.1 |
| Nickel (Ni), % | 4.2 to 6.0 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.025 |
| Silicon (Si), % | 0 | |
| 0 to 0.5 |
| Sulfur (S), % | 0 | |
| 0 to 0.025 |
| Tin (Sn), % | 0 to 0.25 | |
| 0 |
| Zinc (Zn), % | 0 to 0.3 | |
| 0 |
| Residuals, % | 0 to 0.5 | |
| 0 |