C70250 Copper vs. SAE-AISI M2 Steel
C70250 copper belongs to the copper alloys classification, while SAE-AISI M2 steel belongs to the iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.
For each property being compared, the top bar is C70250 copper and the bottom bar is SAE-AISI M2 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 200 |
| Poisson's Ratio | 0.34 | |
| 0.29 |
| Shear Modulus, GPa | 44 | |
| 77 |
| Tensile Strength: Ultimate (UTS), MPa | 520 to 740 | |
| 760 to 2150 |
Thermal Properties
| Latent Heat of Fusion, J/g | 220 | |
| 260 |
| Melting Completion (Liquidus), °C | 1100 | |
| 1610 |
| Melting Onset (Solidus), °C | 1080 | |
| 1570 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 440 |
| Thermal Conductivity, W/m-K | 170 | |
| 22 |
| Thermal Expansion, µm/m-K | 17 | |
| 10 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 31 | |
| 24 |
| Density, g/cm3 | 8.9 | |
| 8.4 |
| Embodied Carbon, kg CO2/kg material | 2.9 | |
| 8.8 |
| Embodied Energy, MJ/kg | 45 | |
| 130 |
| Embodied Water, L/kg | 310 | |
| 98 |
Common Calculations
| Stiffness to Weight: Axial, points | 7.4 | |
| 13 |
| Stiffness to Weight: Bending, points | 18 | |
| 23 |
| Strength to Weight: Axial, points | 16 to 23 | |
| 25 to 71 |
| Strength to Weight: Bending, points | 16 to 21 | |
| 22 to 44 |
| Thermal Diffusivity, mm2/s | 49 | |
| 5.9 |
| Thermal Shock Resistance, points | 18 to 26 | |
| 27 to 76 |
Alloy Composition
Deprecated: Automatic conversion of false to array is deprecated in /home/public/compare.php on line 452
| Carbon (C), % | 0 | |
| 0.78 to 1.1 |
| Chromium (Cr), % | 0 | |
| 3.8 to 4.5 |
| Copper (Cu), % | 92.7 to 97.5 | |
| 0 to 0.25 |
| Iron (Fe), % | 0 | |
| 78.5 to 83.4 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 |
| Magnesium (Mg), % | 0.050 to 0.3 | |
| 0 |
| Manganese (Mn), % | 0 to 0.1 | |
| 0.15 to 0.4 |
| Molybdenum (Mo), % | 0 | |
| 4.5 to 5.5 |
| Nickel (Ni), % | 2.2 to 4.2 | |
| 0 to 0.3 |
| Phosphorus (P), % | 0 | |
| 0 to 0.030 |
| Silicon (Si), % | 0.25 to 1.2 | |
| 0.2 to 0.45 |
| Sulfur (S), % | 0 | |
| 0 to 0.030 |
| Tungsten (W), % | 0 | |
| 5.5 to 6.8 |
| Vanadium (V), % | 0 | |
| 1.8 to 2.2 |
| Zinc (Zn), % | 0 to 1.0 | |
| 0 |
| Residuals, % | 0 to 0.5 | |
| 0 |