C71640 Copper-nickel vs. AISI 201LN Stainless Steel
C71640 copper-nickel belongs to the copper alloys classification, while AISI 201LN stainless steel belongs to the iron alloys. There are 26 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.
For each property being compared, the top bar is C71640 copper-nickel and the bottom bar is AISI 201LN stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 140 | |
| 200 |
| Poisson's Ratio | 0.33 | |
| 0.28 |
| Shear Modulus, GPa | 52 | |
| 77 |
| Tensile Strength: Ultimate (UTS), MPa | 490 to 630 | |
| 740 to 1060 |
| Tensile Strength: Yield (Proof), MPa | 190 to 460 | |
| 350 to 770 |
Thermal Properties
| Latent Heat of Fusion, J/g | 240 | |
| 280 |
| Maximum Temperature: Mechanical, °C | 260 | |
| 880 |
| Melting Completion (Liquidus), °C | 1180 | |
| 1410 |
| Melting Onset (Solidus), °C | 1120 | |
| 1370 |
| Specific Heat Capacity, J/kg-K | 410 | |
| 480 |
| Thermal Conductivity, W/m-K | 29 | |
| 15 |
| Thermal Expansion, µm/m-K | 15 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.0 | |
| 2.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 7.1 | |
| 2.9 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 40 | |
| 12 |
| Density, g/cm3 | 8.9 | |
| 7.7 |
| Embodied Carbon, kg CO2/kg material | 5.0 | |
| 2.6 |
| Embodied Energy, MJ/kg | 73 | |
| 38 |
| Embodied Water, L/kg | 280 | |
| 140 |
Common Calculations
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 130 to 750 | |
| 310 to 1520 |
| Stiffness to Weight: Axial, points | 8.7 | |
| 14 |
| Stiffness to Weight: Bending, points | 20 | |
| 25 |
| Strength to Weight: Axial, points | 15 to 20 | |
| 27 to 38 |
| Strength to Weight: Bending, points | 16 to 18 | |
| 24 to 30 |
| Thermal Diffusivity, mm2/s | 8.2 | |
| 4.0 |
| Thermal Shock Resistance, points | 16 to 21 | |
| 16 to 23 |
Alloy Composition
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| Carbon (C), % | 0 | |
| 0 to 0.030 |
| Chromium (Cr), % | 0 | |
| 16 to 17.5 |
| Copper (Cu), % | 61.7 to 67.8 | |
| 0 to 1.0 |
| Iron (Fe), % | 1.7 to 2.3 | |
| 67.9 to 73.5 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 |
| Manganese (Mn), % | 1.5 to 2.5 | |
| 6.4 to 7.5 |
| Nickel (Ni), % | 29 to 32 | |
| 4.0 to 5.0 |
| Nitrogen (N), % | 0 | |
| 0.1 to 0.25 |
| Phosphorus (P), % | 0 | |
| 0 to 0.045 |
| Silicon (Si), % | 0 | |
| 0 to 0.75 |
| Sulfur (S), % | 0 | |
| 0 to 0.015 |
| Zinc (Zn), % | 0 to 1.0 | |
| 0 |
| Residuals, % | 0 to 0.5 | |
| 0 |