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Solder Alloy 123 vs. Automotive Malleable Cast Iron

Solder alloy 123 belongs to the otherwise unclassified metals classification, while automotive malleable cast iron belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is solder alloy 123 and the bottom bar is automotive malleable cast iron.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 8.0
130 to 290
Elastic (Young's, Tensile) Modulus, GPa 18
180
Elongation at Break, % 45
1.0 to 10
Poisson's Ratio 0.44
0.29
Shear Modulus, GPa 6.2
70
Tensile Strength: Ultimate (UTS), MPa 28
350 to 720

Thermal Properties

Latent Heat of Fusion, J/g 26
260
Melting Completion (Liquidus), °C 310
1410
Melting Onset (Solidus), °C 300
1370
Specific Heat Capacity, J/kg-K 130
480
Thermal Conductivity, W/m-K 23
41
Thermal Expansion, µm/m-K 29
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.8
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 7.1
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 75
1.9
Density, g/cm3 11
7.6
Embodied Carbon, kg CO2/kg material 4.5
1.5
Embodied Energy, MJ/kg 74
20
Embodied Water, L/kg 500
45

Common Calculations

Stiffness to Weight: Axial, points 0.9
13
Stiffness to Weight: Bending, points 7.8
25
Strength to Weight: Axial, points 0.69
13 to 26
Strength to Weight: Bending, points 1.8
14 to 24
Thermal Diffusivity, mm2/s 16
11
Thermal Shock Resistance, points 3.8
9.9 to 21

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 0.1
0
Cadmium (Cd), % 0 to 0.0050
0
Carbon (C), % 0
2.2 to 2.9
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
93.6 to 96.7
Lead (Pb), % 93.5 to 95.5
0
Manganese (Mn), % 0
0.15 to 1.3
Nickel (Ni), % 0 to 0.010
0
Phosphorus (P), % 0
0.020 to 0.15
Silicon (Si), % 0
0.9 to 1.9
Silver (Ag), % 0 to 0.1
0
Sulfur (S), % 0
0.020 to 0.2
Tin (Sn), % 4.5 to 5.5
0
Zinc (Zn), % 0 to 0.0010
0