C94700 Bronze vs. C68800 Brass
Both C94700 bronze and C68800 brass are copper alloys. They have 75% 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 C94700 bronze and the bottom bar is C68800 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 110 |
| Elongation at Break, % | 7.9 to 32 | |
| 2.0 to 36 |
| Poisson's Ratio | 0.34 | |
| 0.32 |
| Shear Modulus, GPa | 43 | |
| 41 |
| Tensile Strength: Ultimate (UTS), MPa | 350 to 590 | |
| 570 to 890 |
| Tensile Strength: Yield (Proof), MPa | 160 to 400 | |
| 390 to 790 |
Thermal Properties
| Latent Heat of Fusion, J/g | 200 | |
| 190 |
| Maximum Temperature: Mechanical, °C | 190 | |
| 160 |
| Melting Completion (Liquidus), °C | 1030 | |
| 960 |
| Melting Onset (Solidus), °C | 900 | |
| 950 |
| Specific Heat Capacity, J/kg-K | 380 | |
| 400 |
| Thermal Conductivity, W/m-K | 54 | |
| 40 |
| Thermal Expansion, µm/m-K | 17 | |
| 19 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 12 | |
| 18 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 12 | |
| 20 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 34 | |
| 26 |
| Density, g/cm3 | 8.8 | |
| 8.2 |
| Embodied Carbon, kg CO2/kg material | 3.5 | |
| 2.8 |
| Embodied Energy, MJ/kg | 56 | |
| 48 |
| Embodied Water, L/kg | 350 | |
| 350 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 41 to 89 | |
| 16 to 180 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 110 to 700 | |
| 710 to 2860 |
| Stiffness to Weight: Axial, points | 7.3 | |
| 7.3 |
| Stiffness to Weight: Bending, points | 18 | |
| 19 |
| Strength to Weight: Axial, points | 11 to 19 | |
| 19 to 30 |
| Strength to Weight: Bending, points | 13 to 18 | |
| 19 to 25 |
| Thermal Diffusivity, mm2/s | 16 | |
| 12 |
| Thermal Shock Resistance, points | 12 to 21 | |
| 19 to 30 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.0050 | |
| 3.0 to 3.8 |
| Antimony (Sb), % | 0 to 0.15 | |
| 0 |
| Cobalt (Co), % | 0 | |
| 0.25 to 0.55 |
| Copper (Cu), % | 85 to 90 | |
| 70.8 to 75.5 |
| Iron (Fe), % | 0 to 0.25 | |
| 0 to 0.2 |
| Lead (Pb), % | 0 to 0.1 | |
| 0 to 0.050 |
| Manganese (Mn), % | 0 to 0.2 | |
| 0 |
| Nickel (Ni), % | 4.5 to 6.0 | |
| 0 |
| Phosphorus (P), % | 0 to 0.050 | |
| 0 |
| Silicon (Si), % | 0 to 0.0050 | |
| 0 |
| Sulfur (S), % | 0 to 0.050 | |
| 0 |
| Tin (Sn), % | 4.5 to 6.0 | |
| 0 |
| Zinc (Zn), % | 1.0 to 2.5 | |
| 21.3 to 24.1 |
| Residuals, % | 0 to 1.3 | |
| 0 to 0.5 |