C38500 Bronze vs. C33000 Brass
Both C38500 bronze and C33000 brass are copper alloys. They have a moderately high 91% of their average alloy composition in common. There are 29 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 C33000 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 110 |
| Elongation at Break, % | 17 | |
| 7.0 to 60 |
| Poisson's Ratio | 0.31 | |
| 0.31 |
| Shear Modulus, GPa | 37 | |
| 40 |
| Shear Strength, MPa | 230 | |
| 240 to 300 |
| Tensile Strength: Ultimate (UTS), MPa | 370 | |
| 320 to 520 |
| Tensile Strength: Yield (Proof), MPa | 130 | |
| 110 to 450 |
Thermal Properties
| Latent Heat of Fusion, J/g | 160 | |
| 180 |
| Maximum Temperature: Mechanical, °C | 110 | |
| 130 |
| Melting Completion (Liquidus), °C | 890 | |
| 940 |
| Melting Onset (Solidus), °C | 880 | |
| 900 |
| Specific Heat Capacity, J/kg-K | 380 | |
| 390 |
| Thermal Conductivity, W/m-K | 120 | |
| 120 |
| Thermal Expansion, µm/m-K | 21 | |
| 20 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 28 | |
| 26 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 31 | |
| 29 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 22 | |
| 24 |
| Density, g/cm3 | 8.1 | |
| 8.2 |
| Embodied Carbon, kg CO2/kg material | 2.6 | |
| 2.7 |
| Embodied Energy, MJ/kg | 45 | |
| 45 |
| Embodied Water, L/kg | 320 | |
| 320 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 48 | |
| 35 to 150 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 78 | |
| 60 to 950 |
| Stiffness to Weight: Axial, points | 7.0 | |
| 7.2 |
| Stiffness to Weight: Bending, points | 19 | |
| 19 |
| Strength to Weight: Axial, points | 13 | |
| 11 to 18 |
| Strength to Weight: Bending, points | 14 | |
| 13 to 18 |
| Thermal Diffusivity, mm2/s | 40 | |
| 37 |
| Thermal Shock Resistance, points | 12 | |
| 11 to 17 |
Alloy Composition
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| Copper (Cu), % | 55 to 59 | |
| 65 to 68 |
| Iron (Fe), % | 0 to 0.35 | |
| 0 to 0.070 |
| Lead (Pb), % | 2.5 to 3.5 | |
| 0.25 to 0.7 |
| Zinc (Zn), % | 36.7 to 42.5 | |
| 30.8 to 34.8 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.4 |