C28000 Muntz Metal vs. R04295 Alloy
C28000 Muntz Metal belongs to the copper alloys classification, while R04295 alloy belongs to the otherwise unclassified metals. There are 18 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.
For each property being compared, the top bar is C28000 Muntz Metal and the bottom bar is R04295 alloy.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 100 |
| Elongation at Break, % | 10 to 45 | |
| 22 |
| Poisson's Ratio | 0.31 | |
| 0.38 |
| Shear Modulus, GPa | 40 | |
| 37 |
| Tensile Strength: Ultimate (UTS), MPa | 330 to 610 | |
| 410 |
| Tensile Strength: Yield (Proof), MPa | 150 to 370 | |
| 300 |
Thermal Properties
| Latent Heat of Fusion, J/g | 170 | |
| 300 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 260 |
| Thermal Expansion, µm/m-K | 21 | |
| 7.2 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.0 | |
| 9.0 |
| Embodied Water, L/kg | 320 | |
| 950 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 27 to 240 | |
| 84 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 110 to 670 | |
| 430 |
| Stiffness to Weight: Axial, points | 7.2 | |
| 6.3 |
| Stiffness to Weight: Bending, points | 20 | |
| 17 |
| Strength to Weight: Axial, points | 11 to 21 | |
| 13 |
| Strength to Weight: Bending, points | 13 to 20 | |
| 14 |
| Thermal Shock Resistance, points | 11 to 20 | |
| 40 |
Alloy Composition
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| Carbon (C), % | 0 | |
| 0 to 0.015 |
| Copper (Cu), % | 59 to 63 | |
| 0 |
| Hafnium (Hf), % | 0 | |
| 9.0 to 11 |
| Hydrogen (H), % | 0 | |
| 0 to 0.0015 |
| Iron (Fe), % | 0 to 0.070 | |
| 0 |
| Lead (Pb), % | 0 to 0.3 | |
| 0 |
| Niobium (Nb), % | 0 | |
| 85.9 to 90.3 |
| Nitrogen (N), % | 0 | |
| 0 to 0.010 |
| Oxygen (O), % | 0 | |
| 0 to 0.025 |
| Tantalum (Ta), % | 0 | |
| 0 to 0.5 |
| Titanium (Ti), % | 0 | |
| 0.7 to 1.3 |
| Tungsten (W), % | 0 | |
| 0 to 0.5 |
| Zinc (Zn), % | 36.3 to 41 | |
| 0 |
| Zirconium (Zr), % | 0 | |
| 0 to 0.7 |
| Residuals, % | 0 to 0.3 | |
| 0 |