C70260 Copper vs. C48500 Brass
Both C70260 copper and C48500 brass are copper alloys. They have 61% of their average alloy composition in common.
For each property being compared, the top bar is C70260 copper and the bottom bar is C48500 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 100 |
| Elongation at Break, % | 9.5 to 19 | |
| 13 to 40 |
| Poisson's Ratio | 0.34 | |
| 0.31 |
| Shear Modulus, GPa | 44 | |
| 39 |
| Shear Strength, MPa | 320 to 450 | |
| 250 to 300 |
| Tensile Strength: Ultimate (UTS), MPa | 520 to 760 | |
| 400 to 500 |
| Tensile Strength: Yield (Proof), MPa | 410 to 650 | |
| 160 to 320 |
Thermal Properties
| Latent Heat of Fusion, J/g | 220 | |
| 170 |
| Maximum Temperature: Mechanical, °C | 200 | |
| 120 |
| Melting Completion (Liquidus), °C | 1060 | |
| 900 |
| Melting Onset (Solidus), °C | 1040 | |
| 890 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 380 |
| Thermal Conductivity, W/m-K | 160 | |
| 120 |
| Thermal Expansion, µm/m-K | 17 | |
| 21 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 40 to 50 | |
| 26 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 40 to 51 | |
| 29 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 31 | |
| 23 |
| Density, g/cm3 | 8.9 | |
| 8.1 |
| Embodied Carbon, kg CO2/kg material | 2.7 | |
| 2.7 |
| Embodied Energy, MJ/kg | 43 | |
| 46 |
| Embodied Water, L/kg | 310 | |
| 330 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 46 to 140 | |
| 56 to 140 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 710 to 1810 | |
| 120 to 500 |
| Stiffness to Weight: Axial, points | 7.3 | |
| 7.1 |
| Stiffness to Weight: Bending, points | 18 | |
| 19 |
| Strength to Weight: Axial, points | 16 to 24 | |
| 14 to 17 |
| Strength to Weight: Bending, points | 16 to 21 | |
| 15 to 17 |
| Thermal Diffusivity, mm2/s | 45 | |
| 38 |
| Thermal Shock Resistance, points | 18 to 27 | |
| 13 to 17 |
Alloy Composition
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| Copper (Cu), % | 95.8 to 98.8 | |
| 59 to 62 |
| Iron (Fe), % | 0 | |
| 0 to 0.1 |
| Lead (Pb), % | 0 | |
| 1.3 to 2.2 |
| Nickel (Ni), % | 1.0 to 3.0 | |
| 0 |
| Phosphorus (P), % | 0 to 0.010 | |
| 0 |
| Silicon (Si), % | 0.2 to 0.7 | |
| 0 |
| Tin (Sn), % | 0 | |
| 0.5 to 1.0 |
| Zinc (Zn), % | 0 | |
| 34.3 to 39.2 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.4 |