O61 C28000 Muntz Metal vs. O61 C71640 Copper-nickel
Both O61 C28000 Muntz Metal and O61 C71640 copper-nickel are copper alloys. Both are furnished in the O61 (annealed) temper. They have 62% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.
For each property being compared, the top bar is O61 C28000 Muntz Metal and the bottom bar is O61 C71640 copper-nickel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 140 |
| Poisson's Ratio | 0.31 | |
| 0.33 |
| Shear Modulus, GPa | 40 | |
| 52 |
| Tensile Strength: Ultimate (UTS), MPa | 380 | |
| 490 |
| Tensile Strength: Yield (Proof), MPa | 150 | |
| 190 |
Thermal Properties
| Latent Heat of Fusion, J/g | 170 | |
| 240 |
| Maximum Temperature: Mechanical, °C | 120 | |
| 260 |
| Melting Completion (Liquidus), °C | 900 | |
| 1180 |
| Melting Onset (Solidus), °C | 900 | |
| 1120 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 410 |
| Thermal Conductivity, W/m-K | 120 | |
| 29 |
| Thermal Expansion, µm/m-K | 21 | |
| 15 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 28 | |
| 7.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 31 | |
| 7.1 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 23 | |
| 40 |
| Density, g/cm3 | 8.0 | |
| 8.9 |
| Embodied Carbon, kg CO2/kg material | 2.7 | |
| 5.0 |
| Embodied Energy, MJ/kg | 46 | |
| 73 |
| Embodied Water, L/kg | 320 | |
| 280 |
Common Calculations
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 110 | |
| 130 |
| Stiffness to Weight: Axial, points | 7.2 | |
| 8.7 |
| Stiffness to Weight: Bending, points | 20 | |
| 20 |
| Strength to Weight: Axial, points | 13 | |
| 15 |
| Strength to Weight: Bending, points | 15 | |
| 16 |
| Thermal Diffusivity, mm2/s | 40 | |
| 8.2 |
| Thermal Shock Resistance, points | 12 | |
| 16 |
Alloy Composition
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| Copper (Cu), % | 59 to 63 | |
| 61.7 to 67.8 |
| Iron (Fe), % | 0 to 0.070 | |
| 1.7 to 2.3 |
| Lead (Pb), % | 0 to 0.3 | |
| 0 to 0.050 |
| Manganese (Mn), % | 0 | |
| 1.5 to 2.5 |
| Nickel (Ni), % | 0 | |
| 29 to 32 |
| Zinc (Zn), % | 36.3 to 41 | |
| 0 to 1.0 |
| Residuals, % | 0 to 0.3 | |
| 0 to 0.5 |