C71640 Copper-nickel vs. S20432 Stainless Steel
C71640 copper-nickel belongs to the copper alloys classification, while S20432 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 C71640 copper-nickel and the bottom bar is S20432 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 | |
76 |
Tensile Strength: Ultimate (UTS), MPa | 490 to 630 | |
580 |
Tensile Strength: Yield (Proof), MPa | 190 to 460 | |
230 |
Thermal Properties
Latent Heat of Fusion, J/g | 240 | |
280 |
Maximum Temperature: Mechanical, °C | 260 | |
900 |
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 | |
2.8 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 40 | |
13 |
Density, g/cm3 | 8.9 | |
7.8 |
Embodied Carbon, kg CO2/kg material | 5.0 | |
2.7 |
Embodied Energy, MJ/kg | 73 | |
38 |
Embodied Water, L/kg | 280 | |
140 |
Common Calculations
Resilience: Unit (Modulus of Resilience), kJ/m3 | 130 to 750 | |
140 |
Stiffness to Weight: Axial, points | 8.7 | |
14 |
Stiffness to Weight: Bending, points | 20 | |
25 |
Strength to Weight: Axial, points | 15 to 20 | |
21 |
Strength to Weight: Bending, points | 16 to 18 | |
20 |
Thermal Diffusivity, mm2/s | 8.2 | |
4.0 |
Thermal Shock Resistance, points | 16 to 21 | |
13 |
Alloy Composition
Carbon (C), % | 0 | |
0 to 0.080 |
Chromium (Cr), % | 0 | |
17 to 18 |
Copper (Cu), % | 61.7 to 67.8 | |
2.0 to 3.0 |
Iron (Fe), % | 1.7 to 2.3 | |
66.7 to 74 |
Lead (Pb), % | 0 to 0.050 | |
0 |
Manganese (Mn), % | 1.5 to 2.5 | |
3.0 to 5.0 |
Nickel (Ni), % | 29 to 32 | |
4.0 to 6.0 |
Nitrogen (N), % | 0 | |
0.050 to 0.2 |
Phosphorus (P), % | 0 | |
0 to 0.045 |
Silicon (Si), % | 0 | |
0 to 1.0 |
Sulfur (S), % | 0 | |
0 to 0.030 |
Zinc (Zn), % | 0 to 1.0 | |
0 |
Residuals, % | 0 to 0.5 | |
0 |