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Solder Alloy 121 vs. SAE-AISI 1016 Steel

Solder alloy 121 belongs to the otherwise unclassified metals classification, while SAE-AISI 1016 steel belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is solder alloy 121 and the bottom bar is SAE-AISI 1016 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 11
120 to 140
Elastic (Young's, Tensile) Modulus, GPa 21
190
Elongation at Break, % 25
21 to 28
Poisson's Ratio 0.43
0.29
Shear Modulus, GPa 7.5
73
Tensile Strength: Ultimate (UTS), MPa 32
430 to 480

Thermal Properties

Latent Heat of Fusion, J/g 29
250
Melting Completion (Liquidus), °C 290
1460
Melting Onset (Solidus), °C 230
1420
Specific Heat Capacity, J/kg-K 140
470
Thermal Conductivity, W/m-K 31
52
Thermal Expansion, µm/m-K 28
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.8
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 7.4
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 80
1.8
Density, g/cm3 11
7.9
Embodied Carbon, kg CO2/kg material 5.6
1.4
Embodied Energy, MJ/kg 93
18
Embodied Water, L/kg 580
46

Common Calculations

Stiffness to Weight: Axial, points 1.1
13
Stiffness to Weight: Bending, points 8.6
24
Strength to Weight: Axial, points 0.84
15 to 17
Strength to Weight: Bending, points 2.1
16 to 17
Thermal Diffusivity, mm2/s 20
14
Thermal Shock Resistance, points 3.9
13 to 15

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0
Antimony (Sb), % 0 to 0.5
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.25
0
Cadmium (Cd), % 0 to 0.0050
0
Carbon (C), % 0
0.13 to 0.18
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
98.8 to 99.27
Lead (Pb), % 83.4 to 85.5
0
Manganese (Mn), % 0
0.6 to 0.9
Nickel (Ni), % 0 to 0.010
0
Phosphorus (P), % 0
0 to 0.040
Silver (Ag), % 0 to 0.1
0
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 14.5 to 15.5
0
Zinc (Zn), % 0 to 0.0010
0