S45500 Stainless Steel vs. C18400 Copper
S45500 stainless steel belongs to the iron alloys classification, while C18400 copper belongs to the copper alloys. There are 24 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.
For each property being compared, the top bar is S45500 stainless steel and the bottom bar is C18400 copper.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 120 |
| Elongation at Break, % | 3.4 to 11 | |
| 13 to 50 |
| Poisson's Ratio | 0.28 | |
| 0.34 |
| Shear Modulus, GPa | 75 | |
| 44 |
| Shear Strength, MPa | 790 to 1090 | |
| 190 to 310 |
| Tensile Strength: Ultimate (UTS), MPa | 1370 to 1850 | |
| 270 to 490 |
| Tensile Strength: Yield (Proof), MPa | 1240 to 1700 | |
| 110 to 480 |
Thermal Properties
| Latent Heat of Fusion, J/g | 270 | |
| 210 |
| Maximum Temperature: Mechanical, °C | 760 | |
| 200 |
| Melting Completion (Liquidus), °C | 1440 | |
| 1080 |
| Melting Onset (Solidus), °C | 1400 | |
| 1070 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 390 |
| Thermal Expansion, µm/m-K | 11 | |
| 17 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 17 | |
| 31 |
| Density, g/cm3 | 7.9 | |
| 8.9 |
| Embodied Carbon, kg CO2/kg material | 3.8 | |
| 2.6 |
| Embodied Energy, MJ/kg | 57 | |
| 41 |
| Embodied Water, L/kg | 120 | |
| 310 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 45 to 190 | |
| 63 to 120 |
| Stiffness to Weight: Axial, points | 14 | |
| 7.3 |
| Stiffness to Weight: Bending, points | 24 | |
| 18 |
| Strength to Weight: Axial, points | 48 to 65 | |
| 8.5 to 15 |
| Strength to Weight: Bending, points | 35 to 42 | |
| 10 to 16 |
| Thermal Shock Resistance, points | 48 to 64 | |
| 9.6 to 17 |
Alloy Composition
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| Arsenic (As), % | 0 | |
| 0 to 0.0050 |
| Calcium (Ca), % | 0 | |
| 0 to 0.0050 |
| Carbon (C), % | 0 to 0.050 | |
| 0 |
| Chromium (Cr), % | 11 to 12.5 | |
| 0.4 to 1.2 |
| Copper (Cu), % | 1.5 to 2.5 | |
| 97.2 to 99.6 |
| Iron (Fe), % | 71.5 to 79.2 | |
| 0 to 0.15 |
| Lithium (Li), % | 0 | |
| 0 to 0.050 |
| Manganese (Mn), % | 0 to 0.5 | |
| 0 |
| Molybdenum (Mo), % | 0 to 0.5 | |
| 0 |
| Nickel (Ni), % | 7.5 to 9.5 | |
| 0 |
| Niobium (Nb), % | 0 to 0.5 | |
| 0 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.050 |
| Silicon (Si), % | 0 to 0.5 | |
| 0 to 0.1 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 |
| Tantalum (Ta), % | 0 to 0.5 | |
| 0 |
| Titanium (Ti), % | 0.8 to 1.4 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 0 to 0.7 |
| Residuals, % | 0 | |
| 0 to 0.5 |