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Solder Alloy 124 vs. SAE-AISI T5 Steel

Solder alloy 124 belongs to the otherwise unclassified metals classification, while SAE-AISI T5 steel belongs to the iron alloys. There are 21 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 124 and the bottom bar is SAE-AISI T5 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 17
210
Poisson's Ratio 0.44
0.29
Shear Modulus, GPa 5.8
80
Tensile Strength: Ultimate (UTS), MPa 27
860 to 2140

Thermal Properties

Latent Heat of Fusion, J/g 24
250
Melting Completion (Liquidus), °C 330
1810
Melting Onset (Solidus), °C 320
1750
Specific Heat Capacity, J/kg-K 130
410
Thermal Conductivity, W/m-K 22
21
Thermal Expansion, µm/m-K 29
11

Otherwise Unclassified Properties

Base Metal Price, % relative 70
60
Density, g/cm3 11
9.4
Embodied Carbon, kg CO2/kg material 4.1
11
Embodied Energy, MJ/kg 68
170
Embodied Water, L/kg 470
140

Common Calculations

Stiffness to Weight: Axial, points 0.83
12
Stiffness to Weight: Bending, points 7.6
21
Strength to Weight: Axial, points 0.65
25 to 63
Strength to Weight: Bending, points 1.8
21 to 39
Thermal Diffusivity, mm2/s 15
5.5
Thermal Shock Resistance, points 3.9
26 to 66

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
0.75 to 0.85
Chromium (Cr), % 0
3.8 to 5.0
Cobalt (Co), % 0
7.0 to 9.5
Copper (Cu), % 0 to 0.080
0 to 0.25
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
60.6 to 68.3
Lead (Pb), % 97.2 to 98.2
0
Manganese (Mn), % 0
0.2 to 0.4
Molybdenum (Mo), % 0
0.5 to 1.3
Nickel (Ni), % 0 to 0.010
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0.2 to 0.4
Silver (Ag), % 0 to 0.1
0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 1.8 to 2.2
0
Tungsten (W), % 0
17.5 to 19
Vanadium (V), % 0
1.8 to 2.4
Zinc (Zn), % 0 to 0.0010
0