C95820 Bronze vs. S21904 Stainless Steel
C95820 bronze belongs to the copper alloys classification, while S21904 stainless steel belongs to the iron alloys. There are 28 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 C95820 bronze and the bottom bar is S21904 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 200 |
| Elongation at Break, % | 15 | |
| 17 to 51 |
| Poisson's Ratio | 0.34 | |
| 0.28 |
| Shear Modulus, GPa | 44 | |
| 78 |
| Tensile Strength: Ultimate (UTS), MPa | 730 | |
| 700 to 1000 |
| Tensile Strength: Yield (Proof), MPa | 310 | |
| 390 to 910 |
Thermal Properties
| Latent Heat of Fusion, J/g | 230 | |
| 290 |
| Maximum Temperature: Mechanical, °C | 230 | |
| 980 |
| Melting Completion (Liquidus), °C | 1080 | |
| 1400 |
| Melting Onset (Solidus), °C | 1020 | |
| 1350 |
| Specific Heat Capacity, J/kg-K | 440 | |
| 480 |
| Thermal Conductivity, W/m-K | 38 | |
| 14 |
| Thermal Expansion, µm/m-K | 17 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.5 | |
| 2.5 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.2 | |
| 2.9 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 29 | |
| 15 |
| Density, g/cm3 | 8.3 | |
| 7.7 |
| Embodied Carbon, kg CO2/kg material | 3.5 | |
| 3.0 |
| Embodied Energy, MJ/kg | 56 | |
| 43 |
| Embodied Water, L/kg | 380 | |
| 160 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 86 | |
| 160 to 310 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 400 | |
| 380 to 2070 |
| Stiffness to Weight: Axial, points | 8.0 | |
| 14 |
| Stiffness to Weight: Bending, points | 20 | |
| 25 |
| Strength to Weight: Axial, points | 24 | |
| 25 to 36 |
| Strength to Weight: Bending, points | 22 | |
| 23 to 29 |
| Thermal Diffusivity, mm2/s | 11 | |
| 3.8 |
| Thermal Shock Resistance, points | 25 | |
| 15 to 21 |
Alloy Composition
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| Aluminum (Al), % | 9.0 to 10 | |
| 0 |
| Carbon (C), % | 0 | |
| 0 to 0.040 |
| Chromium (Cr), % | 0 | |
| 19 to 21.5 |
| Copper (Cu), % | 77.5 to 82.5 | |
| 0 |
| Iron (Fe), % | 4.0 to 5.0 | |
| 59.5 to 67.4 |
| Lead (Pb), % | 0 to 0.020 | |
| 0 |
| Manganese (Mn), % | 0 to 1.5 | |
| 8.0 to 10 |
| Nickel (Ni), % | 4.5 to 5.8 | |
| 5.5 to 7.5 |
| Nitrogen (N), % | 0 | |
| 0.15 to 0.4 |
| Phosphorus (P), % | 0 | |
| 0 to 0.045 |
| Silicon (Si), % | 0 to 0.1 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 | |
| 0 to 0.030 |
| Tin (Sn), % | 0 to 0.020 | |
| 0 |
| Zinc (Zn), % | 0 to 0.2 | |
| 0 |
| Residuals, % | 0 to 0.8 | |
| 0 |