C14510 Copper vs. S41045 Stainless Steel
C14510 copper belongs to the copper alloys classification, while S41045 stainless steel belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.
For each property being compared, the top bar is C14510 copper and the bottom bar is S41045 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 190 |
| Elongation at Break, % | 9.1 to 9.6 | |
| 25 |
| Poisson's Ratio | 0.34 | |
| 0.28 |
| Shear Modulus, GPa | 43 | |
| 76 |
| Shear Strength, MPa | 180 to 190 | |
| 280 |
| Tensile Strength: Ultimate (UTS), MPa | 300 to 320 | |
| 430 |
| Tensile Strength: Yield (Proof), MPa | 230 to 250 | |
| 230 |
Thermal Properties
| Latent Heat of Fusion, J/g | 210 | |
| 270 |
| Maximum Temperature: Mechanical, °C | 200 | |
| 740 |
| Melting Completion (Liquidus), °C | 1080 | |
| 1450 |
| Melting Onset (Solidus), °C | 1050 | |
| 1400 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 480 |
| Thermal Conductivity, W/m-K | 360 | |
| 29 |
| Thermal Expansion, µm/m-K | 17 | |
| 10 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 33 | |
| 8.5 |
| Density, g/cm3 | 8.9 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 2.6 | |
| 2.2 |
| Embodied Energy, MJ/kg | 42 | |
| 31 |
| Embodied Water, L/kg | 310 | |
| 100 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 25 to 29 | |
| 92 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 230 to 280 | |
| 140 |
| Stiffness to Weight: Axial, points | 7.2 | |
| 14 |
| Stiffness to Weight: Bending, points | 18 | |
| 25 |
| Strength to Weight: Axial, points | 9.2 to 10 | |
| 16 |
| Strength to Weight: Bending, points | 11 to 12 | |
| 16 |
| Thermal Diffusivity, mm2/s | 100 | |
| 7.8 |
| Thermal Shock Resistance, points | 11 to 12 | |
| 16 |
Alloy Composition
| Carbon (C), % | 0 | |
| 0 to 0.030 |
| Chromium (Cr), % | 0 | |
| 12 to 13 |
| Copper (Cu), % | 99.15 to 99.69 | |
| 0 |
| Iron (Fe), % | 0 | |
| 83.8 to 88 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 |
| Manganese (Mn), % | 0 | |
| 0 to 1.0 |
| Nickel (Ni), % | 0 | |
| 0 to 0.5 |
| Niobium (Nb), % | 0 | |
| 0 to 0.6 |
| Nitrogen (N), % | 0 | |
| 0 to 0.030 |
| Phosphorus (P), % | 0.010 to 0.030 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 | |
| 0 to 0.030 |
| Tellurium (Te), % | 0.3 to 0.7 | |
| 0 |