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Solder Alloy 716 vs. ASTM A369 Grade FP91

Solder alloy 716 belongs to the otherwise unclassified metals classification, while ASTM A369 grade FP91 belongs to the iron alloys. 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 solder alloy 716 and the bottom bar is ASTM A369 grade FP91.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 13
200
Elastic (Young's, Tensile) Modulus, GPa 51
190
Elongation at Break, % 13
19
Poisson's Ratio 0.36
0.28
Shear Modulus, GPa 19
75
Tensile Strength: Ultimate (UTS), MPa 39
670

Thermal Properties

Latent Heat of Fusion, J/g 60
270
Melting Completion (Liquidus), °C 230
1460
Melting Onset (Solidus), °C 220
1420
Specific Heat Capacity, J/kg-K 220
470
Thermal Conductivity, W/m-K 60
26
Thermal Expansion, µm/m-K 22
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
8.9
Electrical Conductivity: Equal Weight (Specific), % IACS 16
10

Otherwise Unclassified Properties

Density, g/cm3 7.3
7.8
Embodied Carbon, kg CO2/kg material 16
2.6
Embodied Energy, MJ/kg 270
37

Common Calculations

Stiffness to Weight: Axial, points 3.8
14
Stiffness to Weight: Bending, points 17
25
Strength to Weight: Axial, points 1.5
24
Strength to Weight: Bending, points 3.5
22
Thermal Diffusivity, mm2/s 37
6.9
Thermal Shock Resistance, points 2.5
18

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0 to 0.020
Antimony (Sb), % 0 to 0.1
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.1
0
Cadmium (Cd), % 0 to 0.0020
0
Carbon (C), % 0
0.080 to 0.12
Chromium (Cr), % 0
8.0 to 9.5
Copper (Cu), % 0.3 to 0.7
0
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
87.3 to 90.3
Lead (Pb), % 0 to 0.070
0
Manganese (Mn), % 0
0.3 to 0.6
Molybdenum (Mo), % 0
0.85 to 1.1
Nickel (Ni), % 0 to 0.010
0 to 0.4
Niobium (Nb), % 0
0.060 to 0.1
Nitrogen (N), % 0
0.030 to 0.070
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0
0.2 to 0.5
Silver (Ag), % 0.8 to 1.2
0
Sulfur (S), % 0
0 to 0.025
Tin (Sn), % 97.6 to 98.9
0
Titanium (Ti), % 0
0 to 0.010
Vanadium (V), % 0
0.18 to 0.25
Zinc (Zn), % 0 to 0.0010
0
Zirconium (Zr), % 0
0 to 0.010