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Solder Alloy 801 vs. AWS ER90S-B9

Solder alloy 801 belongs to the otherwise unclassified metals classification, while AWS ER90S-B9 belongs to the iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is solder alloy 801 and the bottom bar is AWS ER90S-B9.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 53
190
Elongation at Break, % 33
18
Poisson's Ratio 0.35
0.28
Shear Modulus, GPa 20
75
Tensile Strength: Ultimate (UTS), MPa 55
690

Thermal Properties

Latent Heat of Fusion, J/g 64
270
Melting Completion (Liquidus), °C 200
1450
Melting Onset (Solidus), °C 200
1410
Specific Heat Capacity, J/kg-K 240
470
Thermal Conductivity, W/m-K 61
25
Thermal Expansion, µm/m-K 22
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 19
8.1

Otherwise Unclassified Properties

Density, g/cm3 7.2
7.8
Embodied Carbon, kg CO2/kg material 14
2.6
Embodied Energy, MJ/kg 240
37
Embodied Water, L/kg 1140
91

Common Calculations

Stiffness to Weight: Axial, points 4.1
14
Stiffness to Weight: Bending, points 17
25
Strength to Weight: Axial, points 2.1
25
Strength to Weight: Bending, points 4.4
22
Thermal Diffusivity, mm2/s 36
6.9
Thermal Shock Resistance, points 3.3
19

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0 to 0.040
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
0.070 to 0.13
Chromium (Cr), % 0
8.0 to 10.5
Copper (Cu), % 0 to 0.050
0 to 0.2
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
84.4 to 90.7
Lead (Pb), % 0 to 0.070
0
Manganese (Mn), % 0
0 to 1.2
Molybdenum (Mo), % 0
0.85 to 1.2
Nickel (Ni), % 0 to 0.010
0 to 0.8
Niobium (Nb), % 0
0.020 to 0.1
Nitrogen (N), % 0
0.030 to 0.070
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0
0.15 to 0.5
Silver (Ag), % 0 to 0.1
0
Sulfur (S), % 0
0 to 0.010
Tin (Sn), % 89.9 to 91.5
0
Vanadium (V), % 0
0.15 to 0.3
Zinc (Zn), % 8.5 to 9.5
0
Residuals, % 0
0 to 0.5