C42500 Brass vs. C15100 Copper
Both C42500 brass and C15100 copper are copper alloys. They have 89% of their average alloy composition in common.
For each property being compared, the top bar is C42500 brass and the bottom bar is C15100 copper.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 120 |
| Elongation at Break, % | 2.0 to 49 | |
| 2.0 to 36 |
| Poisson's Ratio | 0.33 | |
| 0.34 |
| Rockwell B Hardness | 60 to 92 | |
| 30 to 64 |
| Rockwell Superficial 30T Hardness | 32 to 76 | |
| 48 to 65 |
| Shear Modulus, GPa | 42 | |
| 43 |
| Shear Strength, MPa | 220 to 360 | |
| 170 to 270 |
| Tensile Strength: Ultimate (UTS), MPa | 310 to 630 | |
| 260 to 470 |
| Tensile Strength: Yield (Proof), MPa | 120 to 590 | |
| 69 to 460 |
Thermal Properties
| Latent Heat of Fusion, J/g | 200 | |
| 210 |
| Maximum Temperature: Mechanical, °C | 180 | |
| 200 |
| Melting Completion (Liquidus), °C | 1030 | |
| 1100 |
| Melting Onset (Solidus), °C | 1010 | |
| 1030 |
| Specific Heat Capacity, J/kg-K | 380 | |
| 390 |
| Thermal Conductivity, W/m-K | 120 | |
| 360 |
| Thermal Expansion, µm/m-K | 18 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 28 | |
| 95 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 29 | |
| 95 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 30 | |
| 31 |
| Density, g/cm3 | 8.7 | |
| 9.0 |
| Embodied Carbon, kg CO2/kg material | 2.8 | |
| 2.7 |
| Embodied Energy, MJ/kg | 46 | |
| 43 |
| Embodied Water, L/kg | 330 | |
| 310 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 12 to 130 | |
| 9.3 to 71 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 64 to 1570 | |
| 21 to 890 |
| Stiffness to Weight: Axial, points | 7.1 | |
| 7.2 |
| Stiffness to Weight: Bending, points | 18 | |
| 18 |
| Strength to Weight: Axial, points | 9.9 to 20 | |
| 8.1 to 15 |
| Strength to Weight: Bending, points | 12 to 19 | |
| 10 to 15 |
| Thermal Diffusivity, mm2/s | 36 | |
| 100 |
| Thermal Shock Resistance, points | 11 to 22 | |
| 9.3 to 17 |
Alloy Composition
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| Copper (Cu), % | 87 to 90 | |
| 99.8 to 99.95 |
| Iron (Fe), % | 0 to 0.050 | |
| 0 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 |
| Phosphorus (P), % | 0 to 0.35 | |
| 0 |
| Tin (Sn), % | 1.5 to 3.0 | |
| 0 |
| Zinc (Zn), % | 6.1 to 11.5 | |
| 0 |
| Zirconium (Zr), % | 0 | |
| 0.050 to 0.15 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.1 |