S46500 Stainless Steel vs. C71640 Copper-nickel
S46500 stainless steel belongs to the iron alloys classification, while C71640 copper-nickel belongs to the copper alloys. There are 21 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 S46500 stainless steel and the bottom bar is C71640 copper-nickel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 140 |
| Poisson's Ratio | 0.28 | |
| 0.33 |
| Shear Modulus, GPa | 75 | |
| 52 |
| Tensile Strength: Ultimate (UTS), MPa | 1260 to 1930 | |
| 490 to 630 |
| Tensile Strength: Yield (Proof), MPa | 1120 to 1810 | |
| 190 to 460 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 240 |
| Maximum Temperature: Mechanical, °C | 780 | |
| 260 |
| Melting Completion (Liquidus), °C | 1450 | |
| 1180 |
| Melting Onset (Solidus), °C | 1410 | |
| 1120 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 410 |
| Thermal Expansion, µm/m-K | 11 | |
| 15 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 15 | |
| 40 |
| Density, g/cm3 | 7.9 | |
| 8.9 |
| Embodied Carbon, kg CO2/kg material | 3.6 | |
| 5.0 |
| Embodied Energy, MJ/kg | 51 | |
| 73 |
| Embodied Water, L/kg | 120 | |
| 280 |
Common Calculations
| Stiffness to Weight: Axial, points | 14 | |
| 8.7 |
| Stiffness to Weight: Bending, points | 25 | |
| 20 |
| Strength to Weight: Axial, points | 44 to 68 | |
| 15 to 20 |
| Strength to Weight: Bending, points | 33 to 44 | |
| 16 to 18 |
| Thermal Shock Resistance, points | 44 to 67 | |
| 16 to 21 |
Alloy Composition
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| Carbon (C), % | 0 to 0.020 | |
| 0 |
| Chromium (Cr), % | 11 to 12.5 | |
| 0 |
| Copper (Cu), % | 0 | |
| 61.7 to 67.8 |
| Iron (Fe), % | 72.6 to 76.1 | |
| 1.7 to 2.3 |
| Lead (Pb), % | 0 | |
| 0 to 0.050 |
| Manganese (Mn), % | 0 to 0.25 | |
| 1.5 to 2.5 |
| Molybdenum (Mo), % | 0.75 to 1.3 | |
| 0 |
| Nickel (Ni), % | 10.7 to 11.3 | |
| 29 to 32 |
| Nitrogen (N), % | 0 to 0.010 | |
| 0 |
| Phosphorus (P), % | 0 to 0.015 | |
| 0 |
| Silicon (Si), % | 0 to 0.25 | |
| 0 |
| Sulfur (S), % | 0 to 0.010 | |
| 0 |
| Titanium (Ti), % | 1.5 to 1.8 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 0 to 1.0 |
| Residuals, % | 0 | |
| 0 to 0.5 |