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SAE-AISI 4820 Steel vs. Solder Alloy 141

SAE-AISI 4820 steel belongs to the iron alloys classification, while solder alloy 141 belongs to the otherwise unclassified metals. There are 23 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 SAE-AISI 4820 steel and the bottom bar is solder alloy 141.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
37
Elongation at Break, % 21
39
Poisson's Ratio 0.29
0.39
Shear Modulus, GPa 73
13
Tensile Strength: Ultimate (UTS), MPa 570
54

Thermal Properties

Latent Heat of Fusion, J/g 250
46
Melting Completion (Liquidus), °C 1460
190
Melting Onset (Solidus), °C 1420
180
Specific Heat Capacity, J/kg-K 470
180
Thermal Conductivity, W/m-K 51
48
Thermal Expansion, µm/m-K 11
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
10
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
10

Otherwise Unclassified Properties

Density, g/cm3 7.9
8.9
Embodied Carbon, kg CO2/kg material 1.8
11
Embodied Energy, MJ/kg 24
180
Embodied Water, L/kg 53
970

Common Calculations

Stiffness to Weight: Axial, points 13
2.3
Stiffness to Weight: Bending, points 24
13
Strength to Weight: Axial, points 20
1.7
Strength to Weight: Bending, points 19
3.6
Thermal Diffusivity, mm2/s 14
29
Thermal Shock Resistance, points 19
4.3

Alloy Composition

Aluminum (Al), % 0
0 to 0.0010
Antimony (Sb), % 0
0 to 0.2
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
2.0 to 3.0
Cadmium (Cd), % 0
0 to 0.0020
Carbon (C), % 0.18 to 0.23
0
Copper (Cu), % 0
0 to 0.080
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 94.6 to 95.7
0 to 0.020
Lead (Pb), % 0
35.9 to 38.5
Manganese (Mn), % 0.5 to 0.7
0
Molybdenum (Mo), % 0.2 to 0.3
0
Nickel (Ni), % 3.3 to 3.8
0 to 0.010
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0.15 to 0.35
0
Silver (Ag), % 0
0 to 0.1
Sulfur (S), % 0 to 0.040
0
Tin (Sn), % 0
59.5 to 60.5
Zinc (Zn), % 0
0 to 0.0010