ASTM A387 Grade 91 Class 2 vs. Solder Alloy 716
ASTM A387 grade 91 class 2 belongs to the iron alloys classification, while solder alloy 716 belongs to the otherwise unclassified metals. There are 23 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.
For each property being compared, the top bar is ASTM A387 grade 91 class 2 and the bottom bar is solder alloy 716.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 200 | |
| 13 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 51 |
| Elongation at Break, % | 20 | |
| 13 |
| Poisson's Ratio | 0.28 | |
| 0.36 |
| Shear Modulus, GPa | 75 | |
| 19 |
| Tensile Strength: Ultimate (UTS), MPa | 670 | |
| 39 |
Thermal Properties
| Latent Heat of Fusion, J/g | 270 | |
| 60 |
| Melting Completion (Liquidus), °C | 1460 | |
| 230 |
| Melting Onset (Solidus), °C | 1420 | |
| 220 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 220 |
| Thermal Conductivity, W/m-K | 26 | |
| 60 |
| Thermal Expansion, µm/m-K | 13 | |
| 22 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 8.9 | |
| 13 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 10 | |
| 16 |
Otherwise Unclassified Properties
| Density, g/cm3 | 7.8 | |
| 7.3 |
| Embodied Carbon, kg CO2/kg material | 2.6 | |
| 16 |
| Embodied Energy, MJ/kg | 37 | |
| 270 |
Common Calculations
| Stiffness to Weight: Axial, points | 14 | |
| 3.8 |
| Stiffness to Weight: Bending, points | 25 | |
| 17 |
| Strength to Weight: Axial, points | 24 | |
| 1.5 |
| Strength to Weight: Bending, points | 22 | |
| 3.5 |
| Thermal Diffusivity, mm2/s | 6.9 | |
| 37 |
| Thermal Shock Resistance, points | 19 | |
| 2.5 |
Alloy Composition
| Aluminum (Al), % | 0 to 0.020 | |
| 0 to 0.0010 |
| Antimony (Sb), % | 0 | |
| 0 to 0.1 |
| Arsenic (As), % | 0 | |
| 0 to 0.030 |
| Bismuth (Bi), % | 0 | |
| 0 to 0.1 |
| Cadmium (Cd), % | 0 | |
| 0 to 0.0020 |
| Carbon (C), % | 0.080 to 0.12 | |
| 0 |
| Chromium (Cr), % | 8.0 to 9.5 | |
| 0 |
| Copper (Cu), % | 0 | |
| 0.3 to 0.7 |
| Gold (Au), % | 0 | |
| 0 to 0.050 |
| Indium (In), % | 0 | |
| 0 to 0.1 |
| Iron (Fe), % | 87.3 to 90.3 | |
| 0 to 0.020 |
| Lead (Pb), % | 0 | |
| 0 to 0.070 |
| Manganese (Mn), % | 0.3 to 0.6 | |
| 0 |
| Molybdenum (Mo), % | 0.85 to 1.1 | |
| 0 |
| Nickel (Ni), % | 0 to 0.4 | |
| 0 to 0.010 |
| Niobium (Nb), % | 0.060 to 0.1 | |
| 0 |
| Nitrogen (N), % | 0.030 to 0.070 | |
| 0 |
| Phosphorus (P), % | 0 to 0.020 | |
| 0 |
| Silicon (Si), % | 0.2 to 0.5 | |
| 0 |
| Silver (Ag), % | 0 | |
| 0.8 to 1.2 |
| Sulfur (S), % | 0 to 0.010 | |
| 0 |
| Tin (Sn), % | 0 | |
| 97.6 to 98.9 |
| Titanium (Ti), % | 0 to 0.010 | |
| 0 |
| Vanadium (V), % | 0.18 to 0.25 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 0 to 0.0010 |
| Zirconium (Zr), % | 0 to 0.010 | |
| 0 |