S45000 Stainless Steel vs. C17000 Copper
S45000 stainless steel belongs to the iron alloys classification, while C17000 copper belongs to the copper 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 S45000 stainless steel and the bottom bar is C17000 copper.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 120 |
| Elongation at Break, % | 6.8 to 14 | |
| 1.1 to 31 |
| Poisson's Ratio | 0.28 | |
| 0.33 |
| Rockwell C Hardness | 28 to 44 | |
| 21 to 42 |
| Shear Modulus, GPa | 76 | |
| 45 |
| Shear Strength, MPa | 590 to 830 | |
| 320 to 750 |
| Tensile Strength: Ultimate (UTS), MPa | 980 to 1410 | |
| 490 to 1310 |
| Tensile Strength: Yield (Proof), MPa | 580 to 1310 | |
| 160 to 1140 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 230 |
| Maximum Temperature: Mechanical, °C | 840 | |
| 270 |
| Melting Completion (Liquidus), °C | 1440 | |
| 980 |
| Melting Onset (Solidus), °C | 1390 | |
| 870 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 390 |
| Thermal Conductivity, W/m-K | 17 | |
| 110 |
| Thermal Expansion, µm/m-K | 11 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.2 | |
| 22 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.5 | |
| 22 |
Otherwise Unclassified Properties
| Density, g/cm3 | 7.8 | |
| 8.8 |
| Embodied Carbon, kg CO2/kg material | 2.8 | |
| 8.7 |
| Embodied Energy, MJ/kg | 39 | |
| 140 |
| Embodied Water, L/kg | 130 | |
| 310 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 94 to 160 | |
| 4.2 to 390 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 850 to 4400 | |
| 110 to 5420 |
| Stiffness to Weight: Axial, points | 14 | |
| 7.6 |
| Stiffness to Weight: Bending, points | 25 | |
| 19 |
| Strength to Weight: Axial, points | 35 to 50 | |
| 15 to 41 |
| Strength to Weight: Bending, points | 28 to 36 | |
| 16 to 30 |
| Thermal Diffusivity, mm2/s | 4.5 | |
| 32 |
| Thermal Shock Resistance, points | 33 to 47 | |
| 17 to 45 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 0 to 0.2 |
| Beryllium (Be), % | 0 | |
| 1.6 to 1.8 |
| Carbon (C), % | 0 to 0.050 | |
| 0 |
| Chromium (Cr), % | 14 to 16 | |
| 0 |
| Copper (Cu), % | 1.3 to 1.8 | |
| 96.3 to 98.2 |
| Iron (Fe), % | 72.1 to 79.3 | |
| 0 to 0.4 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0 |
| Molybdenum (Mo), % | 0.5 to 1.0 | |
| 0 |
| Nickel (Ni), % | 5.0 to 7.0 | |
| 0.2 to 0.6 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 to 0.2 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 |
| Residuals, % | 0 | |
| 0 to 0.5 |