SAE-AISI A2 Steel vs. C72500 Copper-nickel
SAE-AISI A2 steel belongs to the iron alloys classification, while C72500 copper-nickel belongs to the copper alloys. There are 23 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 SAE-AISI A2 steel and the bottom bar is C72500 copper-nickel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 120 |
| Poisson's Ratio | 0.29 | |
| 0.34 |
| Shear Modulus, GPa | 74 | |
| 45 |
| Tensile Strength: Ultimate (UTS), MPa | 710 to 2040 | |
| 420 to 780 |
Thermal Properties
| Latent Heat of Fusion, J/g | 260 | |
| 210 |
| Melting Completion (Liquidus), °C | 1450 | |
| 1130 |
| Melting Onset (Solidus), °C | 1410 | |
| 1060 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 390 |
| Thermal Conductivity, W/m-K | 38 | |
| 54 |
| Thermal Expansion, µm/m-K | 11 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 8.2 | |
| 11 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 9.5 | |
| 11 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 5.5 | |
| 35 |
| Density, g/cm3 | 7.8 | |
| 8.9 |
| Embodied Carbon, kg CO2/kg material | 2.7 | |
| 3.6 |
| Embodied Energy, MJ/kg | 38 | |
| 55 |
| Embodied Water, L/kg | 73 | |
| 320 |
Common Calculations
| Stiffness to Weight: Axial, points | 14 | |
| 7.6 |
| Stiffness to Weight: Bending, points | 25 | |
| 19 |
| Strength to Weight: Axial, points | 25 to 73 | |
| 13 to 24 |
| Strength to Weight: Bending, points | 23 to 46 | |
| 14 to 21 |
| Thermal Diffusivity, mm2/s | 10 | |
| 16 |
| Thermal Shock Resistance, points | 25 to 71 | |
| 14 to 27 |
Alloy Composition
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| Carbon (C), % | 1.0 to 1.1 | |
| 0 |
| Chromium (Cr), % | 4.8 to 5.5 | |
| 0 |
| Copper (Cu), % | 0 to 0.25 | |
| 85.2 to 89.7 |
| Iron (Fe), % | 89.4 to 93.3 | |
| 0 to 0.6 |
| Lead (Pb), % | 0 | |
| 0 to 0.050 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0 to 0.2 |
| Molybdenum (Mo), % | 0.9 to 1.4 | |
| 0 |
| Nickel (Ni), % | 0 to 0.3 | |
| 8.5 to 10.5 |
| Phosphorus (P), % | 0 to 0.030 | |
| 0 |
| Silicon (Si), % | 0 to 0.5 | |
| 0 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 |
| Tin (Sn), % | 0 | |
| 1.8 to 2.8 |
| Vanadium (V), % | 0.15 to 0.5 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 0 to 0.5 |
| Residuals, % | 0 | |
| 0 to 0.2 |