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Solder Alloy 124 vs. AWS E383

Solder alloy 124 belongs to the otherwise unclassified metals classification, while AWS E383 belongs to the iron alloys. There are 22 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 124 and the bottom bar is AWS E383.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 17
210
Elongation at Break, % 46
34
Poisson's Ratio 0.44
0.28
Shear Modulus, GPa 5.8
80
Tensile Strength: Ultimate (UTS), MPa 27
580

Thermal Properties

Latent Heat of Fusion, J/g 24
320
Melting Completion (Liquidus), °C 330
1420
Melting Onset (Solidus), °C 320
1370
Specific Heat Capacity, J/kg-K 130
470
Thermal Conductivity, W/m-K 22
12
Thermal Expansion, µm/m-K 29
14

Otherwise Unclassified Properties

Base Metal Price, % relative 70
37
Density, g/cm3 11
8.1
Embodied Carbon, kg CO2/kg material 4.1
6.4
Embodied Energy, MJ/kg 68
89
Embodied Water, L/kg 470
240

Common Calculations

Stiffness to Weight: Axial, points 0.83
14
Stiffness to Weight: Bending, points 7.6
24
Strength to Weight: Axial, points 0.65
20
Strength to Weight: Bending, points 1.8
19
Thermal Diffusivity, mm2/s 15
3.1
Thermal Shock Resistance, points 3.9
15

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0
Antimony (Sb), % 0 to 0.12
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 0.030
Chromium (Cr), % 0
26.5 to 29
Copper (Cu), % 0 to 0.080
0.6 to 1.5
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
28.8 to 39.2
Lead (Pb), % 97.2 to 98.2
0
Manganese (Mn), % 0
0.5 to 2.5
Molybdenum (Mo), % 0
3.2 to 4.2
Nickel (Ni), % 0 to 0.010
30 to 33
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0
0 to 0.9
Silver (Ag), % 0 to 0.1
0
Sulfur (S), % 0
0 to 0.020
Tin (Sn), % 1.8 to 2.2
0
Zinc (Zn), % 0 to 0.0010
0