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Solder Alloy 104 vs. SAE-AISI T6 Steel

Solder alloy 104 belongs to the otherwise unclassified metals classification, while SAE-AISI T6 steel 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 104 and the bottom bar is SAE-AISI T6 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 37
210
Poisson's Ratio 0.39
0.29
Shear Modulus, GPa 13
81
Tensile Strength: Ultimate (UTS), MPa 51
880 to 2150

Thermal Properties

Latent Heat of Fusion, J/g 45
250
Melting Completion (Liquidus), °C 190
1830
Melting Onset (Solidus), °C 180
1770
Specific Heat Capacity, J/kg-K 180
400
Thermal Conductivity, W/m-K 50
18
Thermal Expansion, µm/m-K 25
12

Otherwise Unclassified Properties

Density, g/cm3 8.9
9.5
Embodied Carbon, kg CO2/kg material 10
11
Embodied Energy, MJ/kg 180
170
Embodied Water, L/kg 900
160

Common Calculations

Stiffness to Weight: Axial, points 2.3
12
Stiffness to Weight: Bending, points 12
21
Strength to Weight: Axial, points 1.6
26 to 63
Strength to Weight: Bending, points 3.4
21 to 39
Thermal Diffusivity, mm2/s 30
4.7
Thermal Shock Resistance, points 4.0
26 to 64

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0
Antimony (Sb), % 0 to 0.050
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.050
0
Cadmium (Cd), % 0 to 0.0020
0
Carbon (C), % 0
0.75 to 0.85
Chromium (Cr), % 0
4.0 to 4.8
Cobalt (Co), % 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
55.9 to 63.5
Lead (Pb), % 39 to 40.5
0
Manganese (Mn), % 0
0.2 to 0.4
Molybdenum (Mo), % 0
0.4 to 1.0
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), % 59.5 to 60.5
0
Tungsten (W), % 0
18.5 to 21
Vanadium (V), % 0
1.5 to 2.1
Zinc (Zn), % 0 to 0.0010
0