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Solder Alloy 124 vs. SAE-AISI H42 Steel

Solder alloy 124 belongs to the otherwise unclassified metals classification, while SAE-AISI H42 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 H42 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 17
200
Poisson's Ratio 0.44
0.29
Shear Modulus, GPa 5.8
77
Tensile Strength: Ultimate (UTS), MPa 27
700 to 1980

Thermal Properties

Latent Heat of Fusion, J/g 24
260
Melting Completion (Liquidus), °C 330
1620
Melting Onset (Solidus), °C 320
1570
Specific Heat Capacity, J/kg-K 130
440
Thermal Conductivity, W/m-K 22
24
Thermal Expansion, µm/m-K 29
12

Otherwise Unclassified Properties

Base Metal Price, % relative 70
24
Density, g/cm3 11
8.4
Embodied Carbon, kg CO2/kg material 4.1
8.8
Embodied Energy, MJ/kg 68
130
Embodied Water, L/kg 470
98

Common Calculations

Stiffness to Weight: Axial, points 0.83
13
Stiffness to Weight: Bending, points 7.6
23
Strength to Weight: Axial, points 0.65
23 to 65
Strength to Weight: Bending, points 1.8
21 to 42
Thermal Diffusivity, mm2/s 15
6.5
Thermal Shock Resistance, points 3.9
20 to 57

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
0.55 to 0.7
Chromium (Cr), % 0
3.8 to 4.5
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
79.3 to 83.8
Lead (Pb), % 97.2 to 98.2
0
Manganese (Mn), % 0
0.15 to 0.4
Molybdenum (Mo), % 0
4.5 to 5.5
Nickel (Ni), % 0 to 0.010
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
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
5.5 to 6.8
Vanadium (V), % 0
1.8 to 2.2
Zinc (Zn), % 0 to 0.0010
0