C72700 Copper-nickel vs. EN 1.4020 Stainless Steel
C72700 copper-nickel belongs to the copper alloys classification, while EN 1.4020 stainless steel belongs to the iron alloys. There are 25 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 C72700 copper-nickel and the bottom bar is EN 1.4020 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 200 |
| Elongation at Break, % | 4.0 to 36 | |
| 13 to 34 |
| Poisson's Ratio | 0.34 | |
| 0.28 |
| Shear Modulus, GPa | 44 | |
| 77 |
| Shear Strength, MPa | 310 to 620 | |
| 510 to 680 |
| Tensile Strength: Ultimate (UTS), MPa | 460 to 1070 | |
| 770 to 1130 |
| Tensile Strength: Yield (Proof), MPa | 580 to 1060 | |
| 430 to 950 |
Thermal Properties
| Latent Heat of Fusion, J/g | 210 | |
| 280 |
| Maximum Temperature: Mechanical, °C | 200 | |
| 890 |
| Melting Completion (Liquidus), °C | 1100 | |
| 1390 |
| Melting Onset (Solidus), °C | 930 | |
| 1350 |
| Specific Heat Capacity, J/kg-K | 380 | |
| 480 |
| Thermal Expansion, µm/m-K | 17 | |
| 17 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 36 | |
| 11 |
| Density, g/cm3 | 8.8 | |
| 7.6 |
| Embodied Carbon, kg CO2/kg material | 4.0 | |
| 2.5 |
| Embodied Energy, MJ/kg | 62 | |
| 37 |
| Embodied Water, L/kg | 350 | |
| 150 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 20 to 380 | |
| 140 to 220 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1420 to 4770 | |
| 460 to 2290 |
| Stiffness to Weight: Axial, points | 7.4 | |
| 14 |
| Stiffness to Weight: Bending, points | 19 | |
| 25 |
| Strength to Weight: Axial, points | 14 to 34 | |
| 28 to 41 |
| Strength to Weight: Bending, points | 15 to 26 | |
| 25 to 32 |
| Thermal Shock Resistance, points | 16 to 38 | |
| 16 to 23 |
Alloy Composition
| Carbon (C), % | 0 | |
| 0 to 0.15 |
| Chromium (Cr), % | 0 | |
| 16.5 to 19 |
| Copper (Cu), % | 82.1 to 86 | |
| 0 |
| Iron (Fe), % | 0 to 0.5 | |
| 62.8 to 71.8 |
| Lead (Pb), % | 0 to 0.020 | |
| 0 |
| Magnesium (Mg), % | 0 to 0.15 | |
| 0 |
| Manganese (Mn), % | 0.050 to 0.3 | |
| 11 to 14 |
| Nickel (Ni), % | 8.5 to 9.5 | |
| 0.5 to 2.5 |
| Niobium (Nb), % | 0 to 0.1 | |
| 0 |
| Nitrogen (N), % | 0 | |
| 0.2 to 0.45 |
| Phosphorus (P), % | 0 | |
| 0 to 0.045 |
| Silicon (Si), % | 0 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 | |
| 0 to 0.030 |
| Tin (Sn), % | 5.5 to 6.5 | |
| 0 |
| Zinc (Zn), % | 0 to 0.5 | |
| 0 |
| Residuals, % | 0 to 0.3 | |
| 0 |