C70260 Copper vs. SAE-AISI 4028 Steel
C70260 copper belongs to the copper alloys classification, while SAE-AISI 4028 steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.
For each property being compared, the top bar is C70260 copper and the bottom bar is SAE-AISI 4028 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 190 |
| Elongation at Break, % | 9.5 to 19 | |
| 14 to 23 |
| Poisson's Ratio | 0.34 | |
| 0.29 |
| Shear Modulus, GPa | 44 | |
| 73 |
| Shear Strength, MPa | 320 to 450 | |
| 310 to 380 |
| Tensile Strength: Ultimate (UTS), MPa | 520 to 760 | |
| 490 to 630 |
| Tensile Strength: Yield (Proof), MPa | 410 to 650 | |
| 260 to 520 |
Thermal Properties
| Latent Heat of Fusion, J/g | 220 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 200 | |
| 400 |
| Melting Completion (Liquidus), °C | 1060 | |
| 1460 |
| Melting Onset (Solidus), °C | 1040 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 470 |
| Thermal Conductivity, W/m-K | 160 | |
| 49 |
| Thermal Expansion, µm/m-K | 17 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 40 to 50 | |
| 7.1 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 40 to 51 | |
| 8.1 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 31 | |
| 2.1 |
| Density, g/cm3 | 8.9 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 2.7 | |
| 1.5 |
| Embodied Energy, MJ/kg | 43 | |
| 19 |
| Embodied Water, L/kg | 310 | |
| 47 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 46 to 140 | |
| 81 to 95 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 710 to 1810 | |
| 180 to 720 |
| Stiffness to Weight: Axial, points | 7.3 | |
| 13 |
| Stiffness to Weight: Bending, points | 18 | |
| 24 |
| Strength to Weight: Axial, points | 16 to 24 | |
| 17 to 22 |
| Strength to Weight: Bending, points | 16 to 21 | |
| 18 to 21 |
| Thermal Diffusivity, mm2/s | 45 | |
| 13 |
| Thermal Shock Resistance, points | 18 to 27 | |
| 16 to 20 |
Alloy Composition
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| Carbon (C), % | 0 | |
| 0.25 to 0.3 |
| Copper (Cu), % | 95.8 to 98.8 | |
| 0 |
| Iron (Fe), % | 0 | |
| 98.1 to 98.7 |
| Manganese (Mn), % | 0 | |
| 0.7 to 0.9 |
| Molybdenum (Mo), % | 0 | |
| 0.2 to 0.3 |
| Nickel (Ni), % | 1.0 to 3.0 | |
| 0 |
| Phosphorus (P), % | 0 to 0.010 | |
| 0 to 0.035 |
| Silicon (Si), % | 0.2 to 0.7 | |
| 0.15 to 0.35 |
| Sulfur (S), % | 0 | |
| 0.035 to 0.050 |
| Residuals, % | 0 to 0.5 | |
| 0 |