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Solder Alloy 131 vs. SAE-AISI T6 Steel

Solder alloy 131 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 131 and the bottom bar is SAE-AISI T6 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 38
210
Poisson's Ratio 0.39
0.29
Shear Modulus, GPa 14
81
Tensile Strength: Ultimate (UTS), MPa 31
880 to 2150

Thermal Properties

Latent Heat of Fusion, J/g 46
250
Melting Completion (Liquidus), °C 180
1830
Melting Onset (Solidus), °C 180
1770
Specific Heat Capacity, J/kg-K 190
400
Thermal Conductivity, W/m-K 55
18
Thermal Expansion, µm/m-K 25
12

Otherwise Unclassified Properties

Density, g/cm3 8.8
9.5
Embodied Carbon, kg CO2/kg material 11
11
Embodied Energy, MJ/kg 180
170
Embodied Water, L/kg 940
160

Common Calculations

Stiffness to Weight: Axial, points 2.4
12
Stiffness to Weight: Bending, points 13
21
Strength to Weight: Axial, points 1.0
26 to 63
Strength to Weight: Bending, points 2.5
21 to 39
Thermal Diffusivity, mm2/s 33
4.7
Thermal Shock Resistance, points 2.4
26 to 64

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0
Antimony (Sb), % 0.2 to 0.5
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
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), % 35.5 to 37.3
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), % 62.5 to 63.5
0
Tungsten (W), % 0
18.5 to 21
Vanadium (V), % 0
1.5 to 2.1
Zinc (Zn), % 0 to 0.0010
0