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Solder Alloy 141 vs. SAE-AISI T4 Steel

Solder alloy 141 belongs to the otherwise unclassified metals classification, while SAE-AISI T4 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 141 and the bottom bar is SAE-AISI T4 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
80
Tensile Strength: Ultimate (UTS), MPa 54
800 to 2140

Thermal Properties

Latent Heat of Fusion, J/g 46
250
Melting Completion (Liquidus), °C 190
1810
Melting Onset (Solidus), °C 180
1750
Specific Heat Capacity, J/kg-K 180
410
Thermal Conductivity, W/m-K 48
21
Thermal Expansion, µm/m-K 24
12

Otherwise Unclassified Properties

Density, g/cm3 8.9
9.4
Embodied Carbon, kg CO2/kg material 11
8.5
Embodied Energy, MJ/kg 180
130
Embodied Water, L/kg 970
120

Common Calculations

Stiffness to Weight: Axial, points 2.3
12
Stiffness to Weight: Bending, points 13
21
Strength to Weight: Axial, points 1.7
24 to 64
Strength to Weight: Bending, points 3.6
20 to 39
Thermal Diffusivity, mm2/s 29
5.4
Thermal Shock Resistance, points 4.3
24 to 64

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0
Antimony (Sb), % 0 to 0.2
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 2.0 to 3.0
0
Cadmium (Cd), % 0 to 0.0020
0
Carbon (C), % 0
0.7 to 0.8
Chromium (Cr), % 0
3.8 to 4.5
Cobalt (Co), % 0
4.3 to 5.8
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
66.3 to 72.3
Lead (Pb), % 35.9 to 38.5
0
Manganese (Mn), % 0
0.1 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
17.5 to 19
Vanadium (V), % 0
0.8 to 1.2
Zinc (Zn), % 0 to 0.0010
0