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Solder Alloy 181 vs. EN 1.5450 Steel

Solder alloy 181 belongs to the otherwise unclassified metals classification, while EN 1.5450 steel belongs to the iron alloys. There are 22 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is solder alloy 181 and the bottom bar is EN 1.5450 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 18
190
Elongation at Break, % 41
19
Poisson's Ratio 0.44
0.29
Shear Modulus, GPa 6.1
73
Tensile Strength: Ultimate (UTS), MPa 27
620

Thermal Properties

Latent Heat of Fusion, J/g 26
250
Melting Completion (Liquidus), °C 310
1470
Melting Onset (Solidus), °C 300
1420
Specific Heat Capacity, J/kg-K 130
470
Thermal Conductivity, W/m-K 24
49
Thermal Expansion, µm/m-K 29
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.3
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 7.4
8.2

Otherwise Unclassified Properties

Density, g/cm3 11
7.9
Embodied Carbon, kg CO2/kg material 6.2
1.5
Embodied Energy, MJ/kg 100
20

Common Calculations

Stiffness to Weight: Axial, points 0.86
13
Stiffness to Weight: Bending, points 7.7
24
Strength to Weight: Axial, points 0.66
22
Strength to Weight: Bending, points 1.8
20
Thermal Diffusivity, mm2/s 16
13
Thermal Shock Resistance, points 3.8
18

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0 to 0.060
Antimony (Sb), % 0 to 0.2
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.1
0
Boron (B), % 0
0.0020 to 0.0060
Cadmium (Cd), % 0 to 0.0020
0
Carbon (C), % 0
0.060 to 0.1
Chromium (Cr), % 0
0 to 0.2
Copper (Cu), % 0 to 0.080
0 to 0.3
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
97.6 to 98.8
Lead (Pb), % 96.2 to 98
0
Manganese (Mn), % 0
0.6 to 0.8
Molybdenum (Mo), % 0
0.4 to 0.5
Nickel (Ni), % 0 to 0.010
0
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0
0.1 to 0.35
Silver (Ag), % 2.0 to 3.0
0
Sulfur (S), % 0
0 to 0.010
Tin (Sn), % 0 to 0.25
0
Titanium (Ti), % 0
0 to 0.060
Zinc (Zn), % 0 to 0.0010
0