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Solder Alloy 111 vs. ASTM A387 Grade 21L Class 1

Solder alloy 111 belongs to the otherwise unclassified metals classification, while ASTM A387 grade 21L class 1 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 21L class 1.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 14
150
Elastic (Young's, Tensile) Modulus, GPa 33
190
Elongation at Break, % 35
21
Poisson's Ratio 0.4
0.29
Shear Modulus, GPa 12
74
Tensile Strength: Ultimate (UTS), MPa 41
500

Thermal Properties

Latent Heat of Fusion, J/g 41
260
Melting Completion (Liquidus), °C 220
1470
Melting Onset (Solidus), °C 180
1430
Specific Heat Capacity, J/kg-K 180
470
Thermal Conductivity, W/m-K 48
41
Thermal Expansion, µm/m-K 26
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 11
8.8

Otherwise Unclassified Properties

Density, g/cm3 9.3
7.9
Embodied Carbon, kg CO2/kg material 9.4
1.8
Embodied Energy, MJ/kg 160
23
Embodied Water, L/kg 830
62

Common Calculations

Stiffness to Weight: Axial, points 2.0
13
Stiffness to Weight: Bending, points 12
24
Strength to Weight: Axial, points 1.2
18
Strength to Weight: Bending, points 2.8
18
Thermal Diffusivity, mm2/s 29
11
Thermal Shock Resistance, points 3.5
14

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0
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 to 0.1
Chromium (Cr), % 0
2.8 to 3.3
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
94.4 to 96.1
Lead (Pb), % 48.8 to 50.5
0
Manganese (Mn), % 0
0.3 to 0.6
Molybdenum (Mo), % 0
0.9 to 1.1
Nickel (Ni), % 0 to 0.010
0
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0
0 to 0.5
Silver (Ag), % 0 to 0.1
0
Sulfur (S), % 0
0 to 0.025
Tin (Sn), % 49.5 to 50.5
0
Zinc (Zn), % 0 to 0.0010
0