S31730 Stainless Steel vs. C75200 Nickel Silver
S31730 stainless steel belongs to the iron alloys classification, while C75200 nickel silver belongs to the copper alloys. They have a modest 21% of their average alloy composition in common, which, by itself, doesn't mean much. There are 21 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.
For each property being compared, the top bar is S31730 stainless steel and the bottom bar is C75200 nickel silver.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 120 |
| Poisson's Ratio | 0.28 | |
| 0.32 |
| Rockwell B Hardness | 78 | |
| 63 to 93 |
| Shear Modulus, GPa | 77 | |
| 47 |
| Tensile Strength: Ultimate (UTS), MPa | 540 | |
| 400 to 660 |
Thermal Properties
| Latent Heat of Fusion, J/g | 290 | |
| 210 |
| Maximum Temperature: Mechanical, °C | 990 | |
| 200 |
| Melting Completion (Liquidus), °C | 1430 | |
| 1110 |
| Melting Onset (Solidus), °C | 1390 | |
| 1070 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 400 |
| Thermal Expansion, µm/m-K | 16 | |
| 18 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 24 | |
| 33 |
| Density, g/cm3 | 8.0 | |
| 8.5 |
| Embodied Carbon, kg CO2/kg material | 4.6 | |
| 4.1 |
| Embodied Energy, MJ/kg | 63 | |
| 62 |
| Embodied Water, L/kg | 180 | |
| 300 |
Common Calculations
| Stiffness to Weight: Axial, points | 14 | |
| 8.0 |
| Stiffness to Weight: Bending, points | 24 | |
| 19 |
| Strength to Weight: Axial, points | 19 | |
| 13 to 21 |
| Strength to Weight: Bending, points | 18 | |
| 14 to 20 |
| Thermal Shock Resistance, points | 12 | |
| 13 to 22 |
Alloy Composition
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| Carbon (C), % | 0 to 0.030 | |
| 0 |
| Chromium (Cr), % | 17 to 19 | |
| 0 |
| Copper (Cu), % | 4.0 to 5.0 | |
| 63.5 to 66.5 |
| Iron (Fe), % | 52.4 to 61 | |
| 0 to 0.25 |
| Lead (Pb), % | 0 | |
| 0 to 0.050 |
| Manganese (Mn), % | 0 to 2.0 | |
| 0 to 0.5 |
| Molybdenum (Mo), % | 3.0 to 4.0 | |
| 0 |
| Nickel (Ni), % | 15 to 16.5 | |
| 16.5 to 19.5 |
| Nitrogen (N), % | 0 to 0.045 | |
| 0 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 |
| Sulfur (S), % | 0 to 0.010 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 12.7 to 20 |
| Residuals, % | 0 | |
| 0 to 0.5 |