C28000 Muntz Metal vs. ACI-ASTM CF20 Steel
C28000 Muntz Metal belongs to the copper alloys classification, while ACI-ASTM CF20 steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.
For each property being compared, the top bar is C28000 Muntz Metal and the bottom bar is ACI-ASTM CF20 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 200 |
| Elongation at Break, % | 10 to 45 | |
| 50 |
| Poisson's Ratio | 0.31 | |
| 0.28 |
| Shear Modulus, GPa | 40 | |
| 77 |
| Tensile Strength: Ultimate (UTS), MPa | 330 to 610 | |
| 530 |
| Tensile Strength: Yield (Proof), MPa | 150 to 370 | |
| 250 |
Thermal Properties
| Latent Heat of Fusion, J/g | 170 | |
| 300 |
| Maximum Temperature: Mechanical, °C | 120 | |
| 970 |
| Melting Completion (Liquidus), °C | 900 | |
| 1420 |
| Melting Onset (Solidus), °C | 900 | |
| 1410 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 480 |
| Thermal Conductivity, W/m-K | 120 | |
| 16 |
| Thermal Expansion, µm/m-K | 21 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 28 | |
| 2.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 31 | |
| 2.3 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 23 | |
| 16 |
| Density, g/cm3 | 8.0 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 2.7 | |
| 3.1 |
| Embodied Energy, MJ/kg | 46 | |
| 44 |
| Embodied Water, L/kg | 320 | |
| 150 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 27 to 240 | |
| 220 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 110 to 670 | |
| 160 |
| Stiffness to Weight: Axial, points | 7.2 | |
| 14 |
| Stiffness to Weight: Bending, points | 20 | |
| 25 |
| Strength to Weight: Axial, points | 11 to 21 | |
| 19 |
| Strength to Weight: Bending, points | 13 to 20 | |
| 19 |
| Thermal Diffusivity, mm2/s | 40 | |
| 4.3 |
| Thermal Shock Resistance, points | 11 to 20 | |
| 11 |
Alloy Composition
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| Carbon (C), % | 0 | |
| 0 to 0.2 |
| Chromium (Cr), % | 0 | |
| 18 to 21 |
| Copper (Cu), % | 59 to 63 | |
| 0 |
| Iron (Fe), % | 0 to 0.070 | |
| 64.2 to 74 |
| Lead (Pb), % | 0 to 0.3 | |
| 0 |
| Manganese (Mn), % | 0 | |
| 0 to 1.5 |
| Nickel (Ni), % | 0 | |
| 8.0 to 11 |
| Phosphorus (P), % | 0 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 | |
| 0 to 2.0 |
| Sulfur (S), % | 0 | |
| 0 to 0.040 |
| Zinc (Zn), % | 36.3 to 41 | |
| 0 |
| Residuals, % | 0 to 0.3 | |
| 0 |