C28000 Muntz Metal vs. C42500 Brass
Both C28000 Muntz Metal and C42500 brass are copper alloys. They have 70% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.
For each property being compared, the top bar is C28000 Muntz Metal and the bottom bar is C42500 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 110 |
| Elongation at Break, % | 10 to 45 | |
| 2.0 to 49 |
| Poisson's Ratio | 0.31 | |
| 0.33 |
| Rockwell B Hardness | 55 to 78 | |
| 60 to 92 |
| Shear Modulus, GPa | 40 | |
| 42 |
| Shear Strength, MPa | 230 to 330 | |
| 220 to 360 |
| Tensile Strength: Ultimate (UTS), MPa | 330 to 610 | |
| 310 to 630 |
| Tensile Strength: Yield (Proof), MPa | 150 to 370 | |
| 120 to 590 |
Thermal Properties
| Latent Heat of Fusion, J/g | 170 | |
| 200 |
| Maximum Temperature: Mechanical, °C | 120 | |
| 180 |
| Melting Completion (Liquidus), °C | 900 | |
| 1030 |
| Melting Onset (Solidus), °C | 900 | |
| 1010 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 380 |
| Thermal Conductivity, W/m-K | 120 | |
| 120 |
| Thermal Expansion, µm/m-K | 21 | |
| 18 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 28 | |
| 28 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 31 | |
| 29 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 23 | |
| 30 |
| Density, g/cm3 | 8.0 | |
| 8.7 |
| Embodied Carbon, kg CO2/kg material | 2.7 | |
| 2.8 |
| Embodied Energy, MJ/kg | 46 | |
| 46 |
| Embodied Water, L/kg | 320 | |
| 330 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 27 to 240 | |
| 12 to 130 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 110 to 670 | |
| 64 to 1570 |
| Stiffness to Weight: Axial, points | 7.2 | |
| 7.1 |
| Stiffness to Weight: Bending, points | 20 | |
| 18 |
| Strength to Weight: Axial, points | 11 to 21 | |
| 9.9 to 20 |
| Strength to Weight: Bending, points | 13 to 20 | |
| 12 to 19 |
| Thermal Diffusivity, mm2/s | 40 | |
| 36 |
| Thermal Shock Resistance, points | 11 to 20 | |
| 11 to 22 |
Alloy Composition
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| Copper (Cu), % | 59 to 63 | |
| 87 to 90 |
| Iron (Fe), % | 0 to 0.070 | |
| 0 to 0.050 |
| Lead (Pb), % | 0 to 0.3 | |
| 0 to 0.050 |
| Phosphorus (P), % | 0 | |
| 0 to 0.35 |
| Tin (Sn), % | 0 | |
| 1.5 to 3.0 |
| Zinc (Zn), % | 36.3 to 41 | |
| 6.1 to 11.5 |
| Residuals, % | 0 to 0.3 | |
| 0 to 0.5 |