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Solder Alloy 111 vs. ASTM A387 Grade 91 Class 2

Solder alloy 111 belongs to the otherwise unclassified metals classification, while ASTM A387 grade 91 class 2 belongs to the iron alloys. There are 24 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 solder alloy 111 and the bottom bar is ASTM A387 grade 91 class 2.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 14
200
Elastic (Young's, Tensile) Modulus, GPa 33
190
Elongation at Break, % 35
20
Poisson's Ratio 0.4
0.28
Shear Modulus, GPa 12
75
Tensile Strength: Ultimate (UTS), MPa 41
670

Thermal Properties

Latent Heat of Fusion, J/g 41
270
Melting Completion (Liquidus), °C 220
1460
Melting Onset (Solidus), °C 180
1420
Specific Heat Capacity, J/kg-K 180
470
Thermal Conductivity, W/m-K 48
26
Thermal Expansion, µm/m-K 26
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
8.9
Electrical Conductivity: Equal Weight (Specific), % IACS 11
10

Otherwise Unclassified Properties

Density, g/cm3 9.3
7.8
Embodied Carbon, kg CO2/kg material 9.4
2.6
Embodied Energy, MJ/kg 160
37
Embodied Water, L/kg 830
88

Common Calculations

Stiffness to Weight: Axial, points 2.0
14
Stiffness to Weight: Bending, points 12
25
Strength to Weight: Axial, points 1.2
24
Strength to Weight: Bending, points 2.8
22
Thermal Diffusivity, mm2/s 29
6.9
Thermal Shock Resistance, points 3.5
19

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0 to 0.020
Antimony (Sb), % 0 to 0.2
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 to 0.080
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), % 48.8 to 50.5
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 0.020
Silicon (Si), % 0
0.2 to 0.5
Silver (Ag), % 0 to 0.1
0
Sulfur (S), % 0
0 to 0.010
Tin (Sn), % 49.5 to 50.5
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