C66900 Brass vs. C28000 Muntz Metal
Both C66900 brass and C28000 Muntz Metal 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 C66900 brass and the bottom bar is C28000 Muntz Metal.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 100 |
| Elongation at Break, % | 1.1 to 26 | |
| 10 to 45 |
| Poisson's Ratio | 0.32 | |
| 0.31 |
| Rockwell B Hardness | 65 to 100 | |
| 55 to 78 |
| Shear Modulus, GPa | 45 | |
| 40 |
| Shear Strength, MPa | 290 to 440 | |
| 230 to 330 |
| Tensile Strength: Ultimate (UTS), MPa | 460 to 770 | |
| 330 to 610 |
| Tensile Strength: Yield (Proof), MPa | 330 to 760 | |
| 150 to 370 |
Thermal Properties
| Latent Heat of Fusion, J/g | 190 | |
| 170 |
| Maximum Temperature: Mechanical, °C | 150 | |
| 120 |
| Melting Completion (Liquidus), °C | 860 | |
| 900 |
| Melting Onset (Solidus), °C | 850 | |
| 900 |
| Specific Heat Capacity, J/kg-K | 400 | |
| 390 |
| Thermal Expansion, µm/m-K | 20 | |
| 21 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 3.4 | |
| 28 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 3.8 | |
| 31 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 23 | |
| 23 |
| Density, g/cm3 | 8.2 | |
| 8.0 |
| Embodied Carbon, kg CO2/kg material | 2.8 | |
| 2.7 |
| Embodied Energy, MJ/kg | 46 | |
| 46 |
| Embodied Water, L/kg | 310 | |
| 320 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 4.6 to 200 | |
| 27 to 240 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 460 to 2450 | |
| 110 to 670 |
| Stiffness to Weight: Axial, points | 8.1 | |
| 7.2 |
| Stiffness to Weight: Bending, points | 20 | |
| 20 |
| Strength to Weight: Axial, points | 15 to 26 | |
| 11 to 21 |
| Strength to Weight: Bending, points | 16 to 23 | |
| 13 to 20 |
| Thermal Shock Resistance, points | 14 to 23 | |
| 11 to 20 |
Alloy Composition
| Copper (Cu), % | 62.5 to 64.5 | |
| 59 to 63 |
| Iron (Fe), % | 0 to 0.25 | |
| 0 to 0.070 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 to 0.3 |
| Manganese (Mn), % | 11.5 to 12.5 | |
| 0 |
| Zinc (Zn), % | 22.5 to 26 | |
| 36.3 to 41 |
| Residuals, % | 0 | |
| 0 to 0.3 |