C12900 Copper vs. C27200 Brass
Both C12900 copper and C27200 brass are copper alloys. They have 64% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.
For each property being compared, the top bar is C12900 copper and the bottom bar is C27200 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 110 |
| Elongation at Break, % | 2.8 to 50 | |
| 10 to 50 |
| Poisson's Ratio | 0.34 | |
| 0.31 |
| Shear Modulus, GPa | 43 | |
| 40 |
| Shear Strength, MPa | 150 to 210 | |
| 230 to 320 |
| Tensile Strength: Ultimate (UTS), MPa | 220 to 420 | |
| 370 to 590 |
| Tensile Strength: Yield (Proof), MPa | 75 to 380 | |
| 150 to 410 |
Thermal Properties
| Latent Heat of Fusion, J/g | 210 | |
| 170 |
| Maximum Temperature: Mechanical, °C | 200 | |
| 130 |
| Melting Completion (Liquidus), °C | 1080 | |
| 920 |
| Melting Onset (Solidus), °C | 1030 | |
| 870 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 390 |
| Thermal Conductivity, W/m-K | 380 | |
| 120 |
| Thermal Expansion, µm/m-K | 17 | |
| 20 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 98 | |
| 28 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 98 | |
| 31 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 32 | |
| 24 |
| Density, g/cm3 | 9.0 | |
| 8.1 |
| Embodied Carbon, kg CO2/kg material | 2.6 | |
| 2.7 |
| Embodied Energy, MJ/kg | 41 | |
| 45 |
| Embodied Water, L/kg | 330 | |
| 320 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 11 to 88 | |
| 30 to 270 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 24 to 640 | |
| 110 to 810 |
| Stiffness to Weight: Axial, points | 7.2 | |
| 7.2 |
| Stiffness to Weight: Bending, points | 18 | |
| 19 |
| Strength to Weight: Axial, points | 6.8 to 13 | |
| 13 to 20 |
| Strength to Weight: Bending, points | 9.1 to 14 | |
| 14 to 19 |
| Thermal Diffusivity, mm2/s | 110 | |
| 37 |
| Thermal Shock Resistance, points | 7.8 to 15 | |
| 12 to 20 |
Alloy Composition
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| Antimony (Sb), % | 0 to 0.0030 | |
| 0 |
| Arsenic (As), % | 0 to 0.012 | |
| 0 |
| Bismuth (Bi), % | 0 to 0.0030 | |
| 0 |
| Copper (Cu), % | 99.88 to 100 | |
| 62 to 65 |
| Iron (Fe), % | 0 | |
| 0 to 0.070 |
| Lead (Pb), % | 0 to 0.0040 | |
| 0 to 0.070 |
| Nickel (Ni), % | 0 to 0.050 | |
| 0 |
| Silver (Ag), % | 0 to 0.054 | |
| 0 |
| Tellurium (Te), % | 0 to 0.025 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 34.6 to 38 |
| Residuals, % | 0 | |
| 0 to 0.3 |