C51100 Bronze vs. C68300 Brass
Both C51100 bronze and C68300 brass are copper alloys. They have 62% of their average alloy composition in common. There are 28 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 C51100 bronze and the bottom bar is C68300 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 100 |
| Elongation at Break, % | 2.5 to 50 | |
| 15 |
| Poisson's Ratio | 0.34 | |
| 0.31 |
| Rockwell B Hardness | 67 to 93 | |
| 60 |
| Shear Modulus, GPa | 42 | |
| 40 |
| Shear Strength, MPa | 230 to 410 | |
| 260 |
| Tensile Strength: Ultimate (UTS), MPa | 330 to 720 | |
| 430 |
| Tensile Strength: Yield (Proof), MPa | 93 to 700 | |
| 260 |
Thermal Properties
| Latent Heat of Fusion, J/g | 200 | |
| 180 |
| Maximum Temperature: Mechanical, °C | 190 | |
| 120 |
| Melting Completion (Liquidus), °C | 1060 | |
| 900 |
| Melting Onset (Solidus), °C | 970 | |
| 890 |
| Specific Heat Capacity, J/kg-K | 380 | |
| 390 |
| Thermal Conductivity, W/m-K | 84 | |
| 120 |
| Thermal Expansion, µm/m-K | 18 | |
| 20 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 32 | |
| 23 |
| Density, g/cm3 | 8.9 | |
| 8.0 |
| Embodied Carbon, kg CO2/kg material | 3.0 | |
| 2.8 |
| Embodied Energy, MJ/kg | 48 | |
| 46 |
| Embodied Water, L/kg | 340 | |
| 340 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 18 to 140 | |
| 56 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 38 to 2170 | |
| 330 |
| Stiffness to Weight: Axial, points | 7.1 | |
| 7.3 |
| Stiffness to Weight: Bending, points | 18 | |
| 20 |
| Strength to Weight: Axial, points | 10 to 22 | |
| 15 |
| Strength to Weight: Bending, points | 12 to 20 | |
| 16 |
| Thermal Diffusivity, mm2/s | 25 | |
| 38 |
| Thermal Shock Resistance, points | 12 to 26 | |
| 14 |
Alloy Composition
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| Antimony (Sb), % | 0 | |
| 0.3 to 1.0 |
| Cadmium (Cd), % | 0 | |
| 0 to 0.010 |
| Copper (Cu), % | 93.8 to 96.5 | |
| 59 to 63 |
| Iron (Fe), % | 0 to 0.1 | |
| 0 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 to 0.090 |
| Phosphorus (P), % | 0.030 to 0.35 | |
| 0 |
| Silicon (Si), % | 0 | |
| 0.3 to 1.0 |
| Tin (Sn), % | 3.5 to 4.9 | |
| 0.050 to 0.2 |
| Zinc (Zn), % | 0 to 0.3 | |
| 34.2 to 40.4 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.5 |