C38500 Bronze vs. C68100 Brass
Both C38500 bronze and C68100 brass are copper alloys. They have a very high 97% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.
For each property being compared, the top bar is C38500 bronze and the bottom bar is C68100 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 100 |
| Elongation at Break, % | 17 | |
| 29 |
| Poisson's Ratio | 0.31 | |
| 0.3 |
| Shear Modulus, GPa | 37 | |
| 40 |
| Tensile Strength: Ultimate (UTS), MPa | 370 | |
| 380 |
| Tensile Strength: Yield (Proof), MPa | 130 | |
| 140 |
Thermal Properties
| Latent Heat of Fusion, J/g | 160 | |
| 170 |
| Maximum Temperature: Mechanical, °C | 110 | |
| 120 |
| Melting Completion (Liquidus), °C | 890 | |
| 890 |
| Melting Onset (Solidus), °C | 880 | |
| 870 |
| Specific Heat Capacity, J/kg-K | 380 | |
| 390 |
| Thermal Conductivity, W/m-K | 120 | |
| 98 |
| Thermal Expansion, µm/m-K | 21 | |
| 21 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 28 | |
| 24 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 31 | |
| 27 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 22 | |
| 23 |
| Density, g/cm3 | 8.1 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 2.6 | |
| 2.8 |
| Embodied Energy, MJ/kg | 45 | |
| 47 |
| Embodied Water, L/kg | 320 | |
| 330 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 48 | |
| 86 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 78 | |
| 94 |
| Stiffness to Weight: Axial, points | 7.0 | |
| 7.3 |
| Stiffness to Weight: Bending, points | 19 | |
| 20 |
| Strength to Weight: Axial, points | 13 | |
| 13 |
| Strength to Weight: Bending, points | 14 | |
| 15 |
| Thermal Diffusivity, mm2/s | 40 | |
| 32 |
| Thermal Shock Resistance, points | 12 | |
| 13 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 0 to 0.010 |
| Copper (Cu), % | 55 to 59 | |
| 56 to 60 |
| Iron (Fe), % | 0 to 0.35 | |
| 0.25 to 1.3 |
| Lead (Pb), % | 2.5 to 3.5 | |
| 0 to 0.050 |
| Manganese (Mn), % | 0 | |
| 0.010 to 0.5 |
| Silicon (Si), % | 0 | |
| 0.040 to 0.15 |
| Tin (Sn), % | 0 | |
| 0.75 to 1.1 |
| Zinc (Zn), % | 36.7 to 42.5 | |
| 36.4 to 43 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.5 |