C72700 Copper-nickel vs. S45500 Stainless Steel
C72700 copper-nickel belongs to the copper alloys classification, while S45500 stainless steel belongs to the iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.
For each property being compared, the top bar is C72700 copper-nickel and the bottom bar is S45500 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 190 |
| Elongation at Break, % | 4.0 to 36 | |
| 3.4 to 11 |
| Poisson's Ratio | 0.34 | |
| 0.28 |
| Shear Modulus, GPa | 44 | |
| 75 |
| Shear Strength, MPa | 310 to 620 | |
| 790 to 1090 |
| Tensile Strength: Ultimate (UTS), MPa | 460 to 1070 | |
| 1370 to 1850 |
| Tensile Strength: Yield (Proof), MPa | 580 to 1060 | |
| 1240 to 1700 |
Thermal Properties
| Latent Heat of Fusion, J/g | 210 | |
| 270 |
| Maximum Temperature: Mechanical, °C | 200 | |
| 760 |
| Melting Completion (Liquidus), °C | 1100 | |
| 1440 |
| Melting Onset (Solidus), °C | 930 | |
| 1400 |
| Specific Heat Capacity, J/kg-K | 380 | |
| 470 |
| Thermal Expansion, µm/m-K | 17 | |
| 11 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 36 | |
| 17 |
| Density, g/cm3 | 8.8 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 4.0 | |
| 3.8 |
| Embodied Energy, MJ/kg | 62 | |
| 57 |
| Embodied Water, L/kg | 350 | |
| 120 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 20 to 380 | |
| 45 to 190 |
| Stiffness to Weight: Axial, points | 7.4 | |
| 14 |
| Stiffness to Weight: Bending, points | 19 | |
| 24 |
| Strength to Weight: Axial, points | 14 to 34 | |
| 48 to 65 |
| Strength to Weight: Bending, points | 15 to 26 | |
| 35 to 42 |
| Thermal Shock Resistance, points | 16 to 38 | |
| 48 to 64 |
Alloy Composition
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| Carbon (C), % | 0 | |
| 0 to 0.050 |
| Chromium (Cr), % | 0 | |
| 11 to 12.5 |
| Copper (Cu), % | 82.1 to 86 | |
| 1.5 to 2.5 |
| Iron (Fe), % | 0 to 0.5 | |
| 71.5 to 79.2 |
| Lead (Pb), % | 0 to 0.020 | |
| 0 |
| Magnesium (Mg), % | 0 to 0.15 | |
| 0 |
| Manganese (Mn), % | 0.050 to 0.3 | |
| 0 to 0.5 |
| Molybdenum (Mo), % | 0 | |
| 0 to 0.5 |
| Nickel (Ni), % | 8.5 to 9.5 | |
| 7.5 to 9.5 |
| Niobium (Nb), % | 0 to 0.1 | |
| 0 to 0.5 |
| Phosphorus (P), % | 0 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 | |
| 0 to 0.5 |
| Sulfur (S), % | 0 | |
| 0 to 0.030 |
| Tantalum (Ta), % | 0 | |
| 0 to 0.5 |
| Tin (Sn), % | 5.5 to 6.5 | |
| 0 |
| Titanium (Ti), % | 0 | |
| 0.8 to 1.4 |
| Zinc (Zn), % | 0 to 0.5 | |
| 0 |
| Residuals, % | 0 to 0.3 | |
| 0 |