C17000 Copper vs. S15500 Stainless Steel
C17000 copper belongs to the copper alloys classification, while S15500 stainless steel belongs to the iron alloys. There are 29 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 C17000 copper and the bottom bar is S15500 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 190 |
| Elongation at Break, % | 1.1 to 31 | |
| 6.8 to 16 |
| Poisson's Ratio | 0.33 | |
| 0.28 |
| Rockwell C Hardness | 21 to 42 | |
| 27 to 46 |
| Shear Modulus, GPa | 45 | |
| 75 |
| Shear Strength, MPa | 320 to 750 | |
| 540 to 870 |
| Tensile Strength: Ultimate (UTS), MPa | 490 to 1310 | |
| 890 to 1490 |
| Tensile Strength: Yield (Proof), MPa | 160 to 1140 | |
| 590 to 1310 |
Thermal Properties
| Latent Heat of Fusion, J/g | 230 | |
| 280 |
| Maximum Temperature: Mechanical, °C | 270 | |
| 820 |
| Melting Completion (Liquidus), °C | 980 | |
| 1430 |
| Melting Onset (Solidus), °C | 870 | |
| 1380 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 480 |
| Thermal Conductivity, W/m-K | 110 | |
| 17 |
| Thermal Expansion, µm/m-K | 17 | |
| 11 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 22 | |
| 2.2 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 22 | |
| 2.5 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.8 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 8.7 | |
| 2.7 |
| Embodied Energy, MJ/kg | 140 | |
| 39 |
| Embodied Water, L/kg | 310 | |
| 130 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 4.2 to 390 | |
| 98 to 120 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 110 to 5420 | |
| 890 to 4460 |
| Stiffness to Weight: Axial, points | 7.6 | |
| 14 |
| Stiffness to Weight: Bending, points | 19 | |
| 25 |
| Strength to Weight: Axial, points | 15 to 41 | |
| 32 to 53 |
| Strength to Weight: Bending, points | 16 to 30 | |
| 26 to 37 |
| Thermal Diffusivity, mm2/s | 32 | |
| 4.6 |
| Thermal Shock Resistance, points | 17 to 45 | |
| 30 to 50 |
Alloy Composition
| Aluminum (Al), % | 0 to 0.2 | |
| 0 |
| Beryllium (Be), % | 1.6 to 1.8 | |
| 0 |
| Carbon (C), % | 0 | |
| 0 to 0.070 |
| Chromium (Cr), % | 0 | |
| 14 to 15.5 |
| Copper (Cu), % | 96.3 to 98.2 | |
| 2.5 to 4.5 |
| Iron (Fe), % | 0 to 0.4 | |
| 71.9 to 79.9 |
| Manganese (Mn), % | 0 | |
| 0 to 1.0 |
| Nickel (Ni), % | 0.2 to 0.6 | |
| 3.5 to 5.5 |
| Niobium (Nb), % | 0 | |
| 0.15 to 0.45 |
| Phosphorus (P), % | 0 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 to 0.2 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 | |
| 0 to 0.030 |
| Residuals, % | 0 to 0.5 | |
| 0 |