C72800 Copper-nickel vs. S44735 Stainless Steel
C72800 copper-nickel belongs to the copper alloys classification, while S44735 stainless steel belongs to the iron alloys. There are 26 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.
For each property being compared, the top bar is C72800 copper-nickel and the bottom bar is S44735 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 210 |
| Elongation at Break, % | 3.9 to 23 | |
| 21 |
| Poisson's Ratio | 0.34 | |
| 0.27 |
| Rockwell C Hardness | 21 to 40 | |
| 22 |
| Shear Modulus, GPa | 44 | |
| 82 |
| Shear Strength, MPa | 330 to 740 | |
| 390 |
| Tensile Strength: Ultimate (UTS), MPa | 520 to 1270 | |
| 630 |
| Tensile Strength: Yield (Proof), MPa | 250 to 1210 | |
| 460 |
Thermal Properties
| Latent Heat of Fusion, J/g | 210 | |
| 310 |
| Maximum Temperature: Mechanical, °C | 200 | |
| 1100 |
| Melting Completion (Liquidus), °C | 1080 | |
| 1460 |
| Melting Onset (Solidus), °C | 920 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 380 | |
| 480 |
| Thermal Expansion, µm/m-K | 17 | |
| 11 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 38 | |
| 21 |
| Density, g/cm3 | 8.8 | |
| 7.7 |
| Embodied Carbon, kg CO2/kg material | 4.4 | |
| 4.4 |
| Embodied Energy, MJ/kg | 68 | |
| 61 |
| Embodied Water, L/kg | 360 | |
| 180 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 37 to 99 | |
| 120 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 260 to 5650 | |
| 520 |
| Stiffness to Weight: Axial, points | 7.4 | |
| 15 |
| Stiffness to Weight: Bending, points | 19 | |
| 26 |
| Strength to Weight: Axial, points | 17 to 40 | |
| 23 |
| Strength to Weight: Bending, points | 16 to 30 | |
| 21 |
| Thermal Shock Resistance, points | 19 to 45 | |
| 20 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.1 | |
| 0 |
| Antimony (Sb), % | 0 to 0.020 | |
| 0 |
| Bismuth (Bi), % | 0 to 0.0010 | |
| 0 |
| Boron (B), % | 0 to 0.0010 | |
| 0 |
| Carbon (C), % | 0 | |
| 0 to 0.030 |
| Chromium (Cr), % | 0 | |
| 28 to 30 |
| Copper (Cu), % | 78.3 to 82.8 | |
| 0 |
| Iron (Fe), % | 0 to 0.5 | |
| 60.7 to 68.4 |
| Lead (Pb), % | 0 to 0.0050 | |
| 0 |
| Magnesium (Mg), % | 0.0050 to 0.15 | |
| 0 |
| Manganese (Mn), % | 0.050 to 0.3 | |
| 0 to 1.0 |
| Molybdenum (Mo), % | 0 | |
| 3.6 to 4.2 |
| Nickel (Ni), % | 9.5 to 10.5 | |
| 0 to 1.0 |
| Niobium (Nb), % | 0.1 to 0.3 | |
| 0.2 to 1.0 |
| Nitrogen (N), % | 0 | |
| 0 to 0.045 |
| Phosphorus (P), % | 0 to 0.0050 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 to 0.050 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 to 0.0025 | |
| 0 to 0.030 |
| Tin (Sn), % | 7.5 to 8.5 | |
| 0 |
| Titanium (Ti), % | 0 to 0.010 | |
| 0.2 to 1.0 |
| Zinc (Zn), % | 0 to 1.0 | |
| 0 |
| Residuals, % | 0 to 0.3 | |
| 0 |