C51900 Bronze vs. C68400 Brass
Both C51900 bronze and C68400 brass are copper alloys. They have 62% of their average alloy composition in common. There are 29 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 C51900 bronze and the bottom bar is C68400 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 110 |
| Elongation at Break, % | 14 to 29 | |
| 18 |
| Poisson's Ratio | 0.34 | |
| 0.31 |
| Shear Modulus, GPa | 42 | |
| 41 |
| Shear Strength, MPa | 320 to 370 | |
| 330 |
| Tensile Strength: Ultimate (UTS), MPa | 380 to 620 | |
| 540 |
| Tensile Strength: Yield (Proof), MPa | 390 to 570 | |
| 310 |
Thermal Properties
| Latent Heat of Fusion, J/g | 200 | |
| 210 |
| Maximum Temperature: Mechanical, °C | 180 | |
| 130 |
| Melting Completion (Liquidus), °C | 1040 | |
| 840 |
| Melting Onset (Solidus), °C | 930 | |
| 820 |
| Specific Heat Capacity, J/kg-K | 380 | |
| 400 |
| Thermal Conductivity, W/m-K | 66 | |
| 66 |
| Thermal Expansion, µm/m-K | 18 | |
| 20 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 14 | |
| 87 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 14 | |
| 99 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 33 | |
| 23 |
| Density, g/cm3 | 8.8 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 3.2 | |
| 2.7 |
| Embodied Energy, MJ/kg | 51 | |
| 47 |
| Embodied Water, L/kg | 360 | |
| 320 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 55 to 180 | |
| 81 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 680 to 1450 | |
| 460 |
| Stiffness to Weight: Axial, points | 7.0 | |
| 7.5 |
| Stiffness to Weight: Bending, points | 18 | |
| 20 |
| Strength to Weight: Axial, points | 12 to 19 | |
| 19 |
| Strength to Weight: Bending, points | 13 to 18 | |
| 19 |
| Thermal Diffusivity, mm2/s | 20 | |
| 21 |
| Thermal Shock Resistance, points | 14 to 22 | |
| 18 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 0 to 0.5 |
| Boron (B), % | 0 | |
| 0.0010 to 0.030 |
| Copper (Cu), % | 91.7 to 95 | |
| 59 to 64 |
| Iron (Fe), % | 0 to 0.1 | |
| 0 to 1.0 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 to 0.090 |
| Manganese (Mn), % | 0 | |
| 0.2 to 1.5 |
| Nickel (Ni), % | 0 | |
| 0 to 0.5 |
| Phosphorus (P), % | 0.030 to 0.35 | |
| 0.030 to 0.3 |
| Silicon (Si), % | 0 | |
| 1.5 to 2.5 |
| Tin (Sn), % | 5.0 to 7.0 | |
| 0 to 0.5 |
| Zinc (Zn), % | 0 to 0.3 | |
| 28.6 to 39.3 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.5 |