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Solder Alloy 101 vs. SAE-AISI 4820 Steel

Solder alloy 101 belongs to the otherwise unclassified metals classification, while SAE-AISI 4820 steel belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is solder alloy 101 and the bottom bar is SAE-AISI 4820 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 14
170
Elastic (Young's, Tensile) Modulus, GPa 38
190
Elongation at Break, % 48
21
Poisson's Ratio 0.39
0.29
Shear Modulus, GPa 14
73
Tensile Strength: Ultimate (UTS), MPa 31
570
Tensile Strength: Yield (Proof), MPa 27
370

Thermal Properties

Latent Heat of Fusion, J/g 46
250
Melting Completion (Liquidus), °C 180
1460
Melting Onset (Solidus), °C 180
1420
Specific Heat Capacity, J/kg-K 190
470
Thermal Conductivity, W/m-K 51
51
Thermal Expansion, µm/m-K 25
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 12
8.7

Otherwise Unclassified Properties

Density, g/cm3 8.8
7.9
Embodied Carbon, kg CO2/kg material 11
1.8
Embodied Energy, MJ/kg 180
24
Embodied Water, L/kg 930
53

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 14
110
Resilience: Unit (Modulus of Resilience), kJ/m3 9.9
370
Stiffness to Weight: Axial, points 2.4
13
Stiffness to Weight: Bending, points 13
24
Strength to Weight: Axial, points 1.0
20
Strength to Weight: Bending, points 2.5
19
Thermal Diffusivity, mm2/s 31
14
Thermal Shock Resistance, points 2.4
19

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
0.18 to 0.23
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
94.6 to 95.7
Lead (Pb), % 35.8 to 37.5
0
Manganese (Mn), % 0
0.5 to 0.7
Molybdenum (Mo), % 0
0.2 to 0.3
Nickel (Ni), % 0 to 0.010
3.3 to 3.8
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0
0.15 to 0.35
Silver (Ag), % 0 to 0.1
0
Sulfur (S), % 0
0 to 0.040
Tin (Sn), % 62.5 to 63.5
0
Zinc (Zn), % 0 to 0.0010
0