C72900 Copper-nickel vs. S35500 Stainless Steel
C72900 copper-nickel belongs to the copper alloys classification, while S35500 stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.
For each property being compared, the top bar is C72900 copper-nickel and the bottom bar is S35500 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 200 |
| Elongation at Break, % | 6.0 to 20 | |
| 14 |
| Poisson's Ratio | 0.34 | |
| 0.28 |
| Shear Modulus, GPa | 45 | |
| 78 |
| Shear Strength, MPa | 540 to 630 | |
| 810 to 910 |
| Tensile Strength: Ultimate (UTS), MPa | 870 to 1080 | |
| 1330 to 1490 |
| Tensile Strength: Yield (Proof), MPa | 700 to 920 | |
| 1200 to 1280 |
Thermal Properties
| Latent Heat of Fusion, J/g | 210 | |
| 280 |
| Maximum Temperature: Mechanical, °C | 210 | |
| 870 |
| Melting Completion (Liquidus), °C | 1120 | |
| 1460 |
| Melting Onset (Solidus), °C | 950 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 380 | |
| 470 |
| Thermal Conductivity, W/m-K | 29 | |
| 16 |
| Thermal Expansion, µm/m-K | 17 | |
| 11 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.8 | |
| 2.2 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.0 | |
| 2.5 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 39 | |
| 16 |
| Density, g/cm3 | 8.8 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 4.6 | |
| 3.5 |
| Embodied Energy, MJ/kg | 72 | |
| 47 |
| Embodied Water, L/kg | 360 | |
| 130 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 49 to 210 | |
| 180 to 190 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 2030 to 3490 | |
| 3610 to 4100 |
| Stiffness to Weight: Axial, points | 7.6 | |
| 14 |
| Stiffness to Weight: Bending, points | 19 | |
| 25 |
| Strength to Weight: Axial, points | 27 to 34 | |
| 47 to 53 |
| Strength to Weight: Bending, points | 23 to 27 | |
| 34 to 37 |
| Thermal Diffusivity, mm2/s | 8.6 | |
| 4.4 |
| Thermal Shock Resistance, points | 31 to 38 | |
| 44 to 49 |
Alloy Composition
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| Carbon (C), % | 0 | |
| 0.1 to 0.15 |
| Chromium (Cr), % | 0 | |
| 15 to 16 |
| Copper (Cu), % | 74.1 to 78 | |
| 0 |
| Iron (Fe), % | 0 to 0.5 | |
| 73.2 to 77.7 |
| Lead (Pb), % | 0 to 0.020 | |
| 0 |
| Magnesium (Mg), % | 0 to 0.15 | |
| 0 |
| Manganese (Mn), % | 0 to 0.3 | |
| 0.5 to 1.3 |
| Molybdenum (Mo), % | 0 | |
| 2.5 to 3.2 |
| Nickel (Ni), % | 14.5 to 15.5 | |
| 4.0 to 5.0 |
| Niobium (Nb), % | 0 to 0.1 | |
| 0.1 to 0.5 |
| Nitrogen (N), % | 0 | |
| 0.070 to 0.13 |
| Phosphorus (P), % | 0 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 | |
| 0 to 0.5 |
| Sulfur (S), % | 0 | |
| 0 to 0.030 |
| Tin (Sn), % | 7.5 to 8.5 | |
| 0 |
| Zinc (Zn), % | 0 to 0.5 | |
| 0 |
| Residuals, % | 0 to 0.3 | |
| 0 |