C99700 Brass vs. C47940 Brass
Both C99700 brass and C47940 brass are copper alloys. They have 84% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.
For each property being compared, the top bar is C99700 brass and the bottom bar is C47940 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 100 |
| Elongation at Break, % | 25 | |
| 14 to 34 |
| Poisson's Ratio | 0.32 | |
| 0.31 |
| Shear Modulus, GPa | 46 | |
| 40 |
| Tensile Strength: Ultimate (UTS), MPa | 380 | |
| 380 to 520 |
| Tensile Strength: Yield (Proof), MPa | 170 | |
| 160 to 390 |
Thermal Properties
| Latent Heat of Fusion, J/g | 200 | |
| 170 |
| Maximum Temperature: Mechanical, °C | 160 | |
| 130 |
| Melting Completion (Liquidus), °C | 900 | |
| 850 |
| Melting Onset (Solidus), °C | 880 | |
| 800 |
| Specific Heat Capacity, J/kg-K | 410 | |
| 380 |
| Thermal Expansion, µm/m-K | 20 | |
| 20 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 25 | |
| 25 |
| Density, g/cm3 | 8.1 | |
| 8.2 |
| Embodied Carbon, kg CO2/kg material | 3.3 | |
| 2.8 |
| Embodied Energy, MJ/kg | 53 | |
| 47 |
| Embodied Water, L/kg | 320 | |
| 330 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 78 | |
| 68 to 100 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 120 | |
| 120 to 740 |
| Stiffness to Weight: Axial, points | 8.3 | |
| 7.1 |
| Stiffness to Weight: Bending, points | 20 | |
| 19 |
| Strength to Weight: Axial, points | 13 | |
| 13 to 17 |
| Strength to Weight: Bending, points | 14 | |
| 14 to 17 |
| Thermal Shock Resistance, points | 11 | |
| 13 to 17 |
Alloy Composition
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| Aluminum (Al), % | 0.5 to 3.0 | |
| 0 |
| Copper (Cu), % | 54 to 65.5 | |
| 63 to 66 |
| Iron (Fe), % | 0 to 1.0 | |
| 0.1 to 1.0 |
| Lead (Pb), % | 0 to 2.0 | |
| 1.0 to 2.0 |
| Manganese (Mn), % | 11 to 15 | |
| 0 |
| Nickel (Ni), % | 4.0 to 6.0 | |
| 0.1 to 0.5 |
| Tin (Sn), % | 0 to 1.0 | |
| 1.2 to 2.0 |
| Zinc (Zn), % | 19 to 25 | |
| 28.1 to 34.6 |
| Residuals, % | 0 to 0.3 | |
| 0 to 0.4 |