C28000 Muntz Metal vs. C61000 Bronze
Both C28000 Muntz Metal and C61000 bronze are copper alloys. They have 61% of their average alloy composition in common.
For each property being compared, the top bar is C28000 Muntz Metal and the bottom bar is C61000 bronze.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 110 |
| Elongation at Break, % | 10 to 45 | |
| 29 to 50 |
| Poisson's Ratio | 0.31 | |
| 0.34 |
| Rockwell B Hardness | 55 to 78 | |
| 60 to 85 |
| Shear Modulus, GPa | 40 | |
| 42 |
| Shear Strength, MPa | 230 to 330 | |
| 280 to 300 |
| Tensile Strength: Ultimate (UTS), MPa | 330 to 610 | |
| 390 to 460 |
| Tensile Strength: Yield (Proof), MPa | 150 to 370 | |
| 150 to 190 |
Thermal Properties
| Latent Heat of Fusion, J/g | 170 | |
| 220 |
| Maximum Temperature: Mechanical, °C | 120 | |
| 210 |
| Melting Completion (Liquidus), °C | 900 | |
| 1040 |
| Melting Onset (Solidus), °C | 900 | |
| 990 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 420 |
| Thermal Conductivity, W/m-K | 120 | |
| 69 |
| Thermal Expansion, µm/m-K | 21 | |
| 18 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 28 | |
| 15 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 31 | |
| 16 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 23 | |
| 29 |
| Density, g/cm3 | 8.0 | |
| 8.5 |
| Embodied Carbon, kg CO2/kg material | 2.7 | |
| 3.0 |
| Embodied Energy, MJ/kg | 46 | |
| 49 |
| Embodied Water, L/kg | 320 | |
| 370 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 27 to 240 | |
| 110 to 160 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 110 to 670 | |
| 100 to 160 |
| Stiffness to Weight: Axial, points | 7.2 | |
| 7.4 |
| Stiffness to Weight: Bending, points | 20 | |
| 19 |
| Strength to Weight: Axial, points | 11 to 21 | |
| 13 to 15 |
| Strength to Weight: Bending, points | 13 to 20 | |
| 14 to 16 |
| Thermal Diffusivity, mm2/s | 40 | |
| 19 |
| Thermal Shock Resistance, points | 11 to 20 | |
| 14 to 16 |
Alloy Composition
| Aluminum (Al), % | 0 | |
| 6.0 to 8.5 |
| Copper (Cu), % | 59 to 63 | |
| 90.2 to 94 |
| Iron (Fe), % | 0 to 0.070 | |
| 0 to 0.5 |
| Lead (Pb), % | 0 to 0.3 | |
| 0 to 0.020 |
| Silicon (Si), % | 0 | |
| 0 to 0.1 |
| Zinc (Zn), % | 36.3 to 41 | |
| 0 to 0.2 |
| Residuals, % | 0 | |
| 0 to 0.5 |