EN 2.4878 Nickel vs. Solder Alloy 721
EN 2.4878 nickel belongs to the nickel alloys classification, while solder alloy 721 belongs to the otherwise unclassified metals. There are 20 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.
For each property being compared, the top bar is EN 2.4878 nickel and the bottom bar is solder alloy 721.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 51 |
| Elongation at Break, % | 13 to 17 | |
| 17 |
| Poisson's Ratio | 0.29 | |
| 0.36 |
| Shear Modulus, GPa | 78 | |
| 19 |
| Tensile Strength: Ultimate (UTS), MPa | 1210 to 1250 | |
| 50 |
Thermal Properties
| Latent Heat of Fusion, J/g | 330 | |
| 61 |
| Melting Completion (Liquidus), °C | 1370 | |
| 220 |
| Melting Onset (Solidus), °C | 1320 | |
| 210 |
| Specific Heat Capacity, J/kg-K | 460 | |
| 220 |
| Thermal Conductivity, W/m-K | 11 | |
| 56 |
| Thermal Expansion, µm/m-K | 12 | |
| 22 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.3 | |
| 7.4 |
| Embodied Carbon, kg CO2/kg material | 10 | |
| 17 |
| Embodied Energy, MJ/kg | 150 | |
| 280 |
Common Calculations
| Stiffness to Weight: Axial, points | 13 | |
| 3.8 |
| Stiffness to Weight: Bending, points | 24 | |
| 17 |
| Strength to Weight: Axial, points | 41 to 42 | |
| 1.9 |
| Strength to Weight: Bending, points | 31 | |
| 4.1 |
| Thermal Diffusivity, mm2/s | 2.8 | |
| 34 |
| Thermal Shock Resistance, points | 37 to 39 | |
| 3.2 |
Alloy Composition
| Aluminum (Al), % | 1.2 to 1.6 | |
| 0 to 0.0010 |
| Antimony (Sb), % | 0 | |
| 0 to 0.1 |
| Arsenic (As), % | 0 | |
| 0 to 0.030 |
| Bismuth (Bi), % | 0 | |
| 0.8 to 1.2 |
| Boron (B), % | 0.010 to 0.015 | |
| 0 |
| Cadmium (Cd), % | 0 | |
| 0 to 0.0020 |
| Carbon (C), % | 0.030 to 0.070 | |
| 0 |
| Chromium (Cr), % | 23 to 25 | |
| 0 |
| Cobalt (Co), % | 19 to 21 | |
| 0 |
| Copper (Cu), % | 0 to 0.2 | |
| 0.3 to 0.7 |
| Gold (Au), % | 0 | |
| 0 to 0.050 |
| Indium (In), % | 0 | |
| 0 to 0.1 |
| Iron (Fe), % | 0 to 1.0 | |
| 0 to 0.020 |
| Lead (Pb), % | 0 | |
| 0 to 0.070 |
| Manganese (Mn), % | 0 to 0.5 | |
| 0 |
| Molybdenum (Mo), % | 1.0 to 2.0 | |
| 0 |
| Nickel (Ni), % | 43.6 to 52.2 | |
| 0 to 0.010 |
| Niobium (Nb), % | 0.7 to 1.2 | |
| 0 |
| Phosphorus (P), % | 0 to 0.010 | |
| 0 |
| Silicon (Si), % | 0 to 0.5 | |
| 0 |
| Silver (Ag), % | 0 | |
| 2.3 to 2.7 |
| Sulfur (S), % | 0 to 0.0070 | |
| 0 |
| Tantalum (Ta), % | 0 to 0.050 | |
| 0 |
| Tin (Sn), % | 0 | |
| 95 to 96.6 |
| Titanium (Ti), % | 2.8 to 3.2 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 0 to 0.0010 |
| Zirconium (Zr), % | 0.030 to 0.070 | |
| 0 |