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Solder Alloy 123 vs. SAE-AISI H26 Steel

Solder alloy 123 belongs to the otherwise unclassified metals classification, while SAE-AISI H26 steel belongs to the iron alloys. There are 21 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 123 and the bottom bar is SAE-AISI H26 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 18
210
Poisson's Ratio 0.44
0.29
Shear Modulus, GPa 6.2
80
Tensile Strength: Ultimate (UTS), MPa 28
720 to 2100

Thermal Properties

Latent Heat of Fusion, J/g 26
240
Melting Completion (Liquidus), °C 310
1810
Melting Onset (Solidus), °C 300
1760
Specific Heat Capacity, J/kg-K 130
410
Thermal Conductivity, W/m-K 23
22
Thermal Expansion, µm/m-K 29
12

Otherwise Unclassified Properties

Base Metal Price, % relative 75
45
Density, g/cm3 11
9.3
Embodied Carbon, kg CO2/kg material 4.5
8.1
Embodied Energy, MJ/kg 74
120
Embodied Water, L/kg 500
90

Common Calculations

Stiffness to Weight: Axial, points 0.9
12
Stiffness to Weight: Bending, points 7.8
21
Strength to Weight: Axial, points 0.69
22 to 63
Strength to Weight: Bending, points 1.8
19 to 39
Thermal Diffusivity, mm2/s 16
5.6
Thermal Shock Resistance, points 3.8
22 to 63

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0
Antimony (Sb), % 0 to 0.5
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.1
0
Cadmium (Cd), % 0 to 0.0050
0
Carbon (C), % 0
0.45 to 0.55
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
73.3 to 77.5
Lead (Pb), % 93.5 to 95.5
0
Manganese (Mn), % 0
0.15 to 0.4
Nickel (Ni), % 0 to 0.010
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0.15 to 0.4
Silver (Ag), % 0 to 0.1
0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 4.5 to 5.5
0
Tungsten (W), % 0
17.3 to 19
Vanadium (V), % 0
0.75 to 1.3
Zinc (Zn), % 0 to 0.0010
0