C28000 Muntz Metal vs. C66900 Brass
Both C28000 Muntz Metal and C66900 brass are copper alloys. They have 85% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.
For each property being compared, the top bar is C28000 Muntz Metal and the bottom bar is C66900 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 120 |
| Elongation at Break, % | 10 to 45 | |
| 1.1 to 26 |
| Poisson's Ratio | 0.31 | |
| 0.32 |
| Rockwell B Hardness | 55 to 78 | |
| 65 to 100 |
| Shear Modulus, GPa | 40 | |
| 45 |
| Shear Strength, MPa | 230 to 330 | |
| 290 to 440 |
| Tensile Strength: Ultimate (UTS), MPa | 330 to 610 | |
| 460 to 770 |
| Tensile Strength: Yield (Proof), MPa | 150 to 370 | |
| 330 to 760 |
Thermal Properties
| Latent Heat of Fusion, J/g | 170 | |
| 190 |
| Maximum Temperature: Mechanical, °C | 120 | |
| 150 |
| Melting Completion (Liquidus), °C | 900 | |
| 860 |
| Melting Onset (Solidus), °C | 900 | |
| 850 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 400 |
| Thermal Expansion, µm/m-K | 21 | |
| 20 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 28 | |
| 3.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 31 | |
| 3.8 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 23 | |
| 23 |
| Density, g/cm3 | 8.0 | |
| 8.2 |
| Embodied Carbon, kg CO2/kg material | 2.7 | |
| 2.8 |
| Embodied Energy, MJ/kg | 46 | |
| 46 |
| Embodied Water, L/kg | 320 | |
| 310 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 27 to 240 | |
| 4.6 to 200 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 110 to 670 | |
| 460 to 2450 |
| Stiffness to Weight: Axial, points | 7.2 | |
| 8.1 |
| Stiffness to Weight: Bending, points | 20 | |
| 20 |
| Strength to Weight: Axial, points | 11 to 21 | |
| 15 to 26 |
| Strength to Weight: Bending, points | 13 to 20 | |
| 16 to 23 |
| Thermal Shock Resistance, points | 11 to 20 | |
| 14 to 23 |
Alloy Composition
| Copper (Cu), % | 59 to 63 | |
| 62.5 to 64.5 |
| Iron (Fe), % | 0 to 0.070 | |
| 0 to 0.25 |
| Lead (Pb), % | 0 to 0.3 | |
| 0 to 0.050 |
| Manganese (Mn), % | 0 | |
| 11.5 to 12.5 |
| Zinc (Zn), % | 36.3 to 41 | |
| 22.5 to 26 |
| Residuals, % | 0 | |
| 0 to 0.2 |