C14500 Copper vs. S43940 Stainless Steel
C14500 copper belongs to the copper alloys classification, while S43940 stainless steel belongs to the iron alloys. There are 29 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 C14500 copper and the bottom bar is S43940 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 200 |
| Elongation at Break, % | 12 to 50 | |
| 21 |
| Poisson's Ratio | 0.34 | |
| 0.28 |
| Shear Modulus, GPa | 43 | |
| 77 |
| Shear Strength, MPa | 150 to 190 | |
| 310 |
| Tensile Strength: Ultimate (UTS), MPa | 220 to 330 | |
| 490 |
| Tensile Strength: Yield (Proof), MPa | 69 to 260 | |
| 280 |
Thermal Properties
| Latent Heat of Fusion, J/g | 210 | |
| 280 |
| Maximum Temperature: Mechanical, °C | 200 | |
| 890 |
| Melting Completion (Liquidus), °C | 1080 | |
| 1440 |
| Melting Onset (Solidus), °C | 1050 | |
| 1400 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 480 |
| Thermal Conductivity, W/m-K | 360 | |
| 25 |
| Thermal Expansion, µm/m-K | 17 | |
| 10 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 94 | |
| 2.9 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 95 | |
| 3.4 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 33 | |
| 12 |
| Density, g/cm3 | 8.9 | |
| 7.7 |
| Embodied Carbon, kg CO2/kg material | 2.6 | |
| 2.6 |
| Embodied Energy, MJ/kg | 42 | |
| 38 |
| Embodied Water, L/kg | 310 | |
| 120 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 36 to 85 | |
| 86 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 21 to 300 | |
| 200 |
| Stiffness to Weight: Axial, points | 7.2 | |
| 14 |
| Stiffness to Weight: Bending, points | 18 | |
| 25 |
| Strength to Weight: Axial, points | 6.8 to 10 | |
| 18 |
| Strength to Weight: Bending, points | 9.1 to 12 | |
| 18 |
| Thermal Diffusivity, mm2/s | 100 | |
| 6.8 |
| Thermal Shock Resistance, points | 8.0 to 12 | |
| 18 |
Alloy Composition
| Carbon (C), % | 0 | |
| 0 to 0.030 |
| Chromium (Cr), % | 0 | |
| 17.5 to 18.5 |
| Copper (Cu), % | 99.2 to 99.596 | |
| 0 |
| Iron (Fe), % | 0 | |
| 78.2 to 82.1 |
| Manganese (Mn), % | 0 | |
| 0 to 1.0 |
| Niobium (Nb), % | 0 | |
| 0.3 to 0.6 |
| Phosphorus (P), % | 0.0040 to 0.012 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 | |
| 0 to 0.015 |
| Tellurium (Te), % | 0.4 to 0.7 | |
| 0 |
| Titanium (Ti), % | 0 | |
| 0.1 to 0.6 |