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Solder Alloy 124 vs. AWS E33-31

Solder alloy 124 belongs to the otherwise unclassified metals classification, while AWS E33-31 belongs to the iron alloys. There are 20 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is solder alloy 124 and the bottom bar is AWS E33-31.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 17
210
Elongation at Break, % 46
29
Poisson's Ratio 0.44
0.27
Shear Modulus, GPa 5.8
81
Tensile Strength: Ultimate (UTS), MPa 27
810

Thermal Properties

Latent Heat of Fusion, J/g 24
320
Melting Completion (Liquidus), °C 330
1380
Melting Onset (Solidus), °C 320
1330
Specific Heat Capacity, J/kg-K 130
480
Thermal Expansion, µm/m-K 29
14

Otherwise Unclassified Properties

Base Metal Price, % relative 70
36
Density, g/cm3 11
7.9
Embodied Carbon, kg CO2/kg material 4.1
6.0
Embodied Energy, MJ/kg 68
86
Embodied Water, L/kg 470
260

Common Calculations

Stiffness to Weight: Axial, points 0.83
14
Stiffness to Weight: Bending, points 7.6
25
Strength to Weight: Axial, points 0.65
28
Strength to Weight: Bending, points 1.8
24
Thermal Shock Resistance, points 3.9
19

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
31 to 35
Copper (Cu), % 0 to 0.080
0.4 to 0.8
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
24.7 to 34.8
Lead (Pb), % 97.2 to 98.2
0
Manganese (Mn), % 0
2.5 to 4.0
Molybdenum (Mo), % 0
1.0 to 2.0
Nickel (Ni), % 0 to 0.010
30 to 32
Nitrogen (N), % 0
0.3 to 0.5
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 0.010
Tin (Sn), % 1.8 to 2.2
0
Zinc (Zn), % 0 to 0.0010
0