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Solder Alloy 124 vs. SAE-AISI D2 Steel

Solder alloy 124 belongs to the otherwise unclassified metals classification, while SAE-AISI D2 steel belongs to the iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (6, 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 D2 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 17
190
Elongation at Break, % 46
5.0 to 16
Poisson's Ratio 0.44
0.28
Shear Modulus, GPa 5.8
75
Tensile Strength: Ultimate (UTS), MPa 27
760 to 2000

Thermal Properties

Latent Heat of Fusion, J/g 24
270
Melting Completion (Liquidus), °C 330
1440
Melting Onset (Solidus), °C 320
1390
Specific Heat Capacity, J/kg-K 130
480
Thermal Conductivity, W/m-K 22
31
Thermal Expansion, µm/m-K 29
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.6
4.3
Electrical Conductivity: Equal Weight (Specific), % IACS 7.7
5.1

Otherwise Unclassified Properties

Base Metal Price, % relative 70
8.0
Density, g/cm3 11
7.7
Embodied Carbon, kg CO2/kg material 4.1
3.4
Embodied Energy, MJ/kg 68
50
Embodied Water, L/kg 470
100

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
27 to 72
Strength to Weight: Bending, points 1.8
24 to 46
Thermal Diffusivity, mm2/s 15
8.3
Thermal Shock Resistance, points 3.9
25 to 67

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
1.4 to 1.6
Chromium (Cr), % 0
11 to 13
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
81.3 to 86.9
Lead (Pb), % 97.2 to 98.2
0
Manganese (Mn), % 0
0 to 0.6
Molybdenum (Mo), % 0
0.7 to 1.2
Nickel (Ni), % 0 to 0.010
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 0.6
Silver (Ag), % 0 to 0.1
0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 1.8 to 2.2
0
Vanadium (V), % 0
0 to 1.1
Zinc (Zn), % 0 to 0.0010
0