C18100 Copper vs. C28500 Muntz Metal
Both C18100 copper and C28500 Muntz Metal are copper alloys. They have 58% of their average alloy composition in common.
For each property being compared, the top bar is C18100 copper and the bottom bar is C28500 Muntz Metal.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 100 |
| Elongation at Break, % | 8.3 | |
| 20 |
| Poisson's Ratio | 0.34 | |
| 0.3 |
| Rockwell B Hardness | 80 | |
| 150 |
| Shear Modulus, GPa | 47 | |
| 40 |
| Shear Strength, MPa | 300 | |
| 320 |
| Tensile Strength: Ultimate (UTS), MPa | 510 | |
| 520 |
| Tensile Strength: Yield (Proof), MPa | 460 | |
| 380 |
Thermal Properties
| Latent Heat of Fusion, J/g | 210 | |
| 170 |
| Maximum Temperature: Mechanical, °C | 200 | |
| 110 |
| Melting Completion (Liquidus), °C | 1080 | |
| 900 |
| Melting Onset (Solidus), °C | 1020 | |
| 890 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 390 |
| Thermal Conductivity, W/m-K | 320 | |
| 100 |
| Thermal Expansion, µm/m-K | 17 | |
| 21 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 80 | |
| 29 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 81 | |
| 33 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 31 | |
| 22 |
| Density, g/cm3 | 8.9 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 2.7 | |
| 2.7 |
| Embodied Energy, MJ/kg | 43 | |
| 46 |
| Embodied Water, L/kg | 310 | |
| 320 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 40 | |
| 94 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 900 | |
| 700 |
| Stiffness to Weight: Axial, points | 7.3 | |
| 7.3 |
| Stiffness to Weight: Bending, points | 18 | |
| 20 |
| Strength to Weight: Axial, points | 16 | |
| 18 |
| Strength to Weight: Bending, points | 16 | |
| 18 |
| Thermal Diffusivity, mm2/s | 94 | |
| 33 |
| Thermal Shock Resistance, points | 18 | |
| 17 |
Alloy Composition
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| Chromium (Cr), % | 0.4 to 1.2 | |
| 0 |
| Copper (Cu), % | 98.7 to 99.49 | |
| 57 to 59 |
| Iron (Fe), % | 0 | |
| 0 to 0.35 |
| Lead (Pb), % | 0 | |
| 0 to 0.25 |
| Magnesium (Mg), % | 0.030 to 0.060 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 39.5 to 43 |
| Zirconium (Zr), % | 0.080 to 0.2 | |
| 0 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.9 |