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Solder Alloy 115 vs. SAE-AISI 50B44 Steel

Solder alloy 115 belongs to the otherwise unclassified metals classification, while SAE-AISI 50B44 steel belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is solder alloy 115 and the bottom bar is SAE-AISI 50B44 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 12
170
Elastic (Young's, Tensile) Modulus, GPa 28
190
Elongation at Break, % 22
22
Poisson's Ratio 0.41
0.29
Shear Modulus, GPa 10
73
Tensile Strength: Ultimate (UTS), MPa 36
570

Thermal Properties

Latent Heat of Fusion, J/g 36
250
Melting Completion (Liquidus), °C 250
1460
Melting Onset (Solidus), °C 180
1420
Specific Heat Capacity, J/kg-K 160
470
Thermal Conductivity, W/m-K 43
46
Thermal Expansion, µm/m-K 27
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.8
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.9
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 95
2.0
Density, g/cm3 9.9
7.8
Embodied Carbon, kg CO2/kg material 7.8
1.4
Embodied Energy, MJ/kg 130
19
Embodied Water, L/kg 730
48

Common Calculations

Stiffness to Weight: Axial, points 1.6
13
Stiffness to Weight: Bending, points 10
24
Strength to Weight: Axial, points 1.0
20
Strength to Weight: Bending, points 2.4
20
Thermal Diffusivity, mm2/s 27
12
Thermal Shock Resistance, points 3.4
17

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 0.25
0
Boron (B), % 0
0.00050 to 0.0030
Cadmium (Cd), % 0 to 0.0050
0
Carbon (C), % 0
0.43 to 0.48
Chromium (Cr), % 0
0.2 to 0.6
Copper (Cu), % 0 to 0.080
0
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
97.5 to 98.5
Lead (Pb), % 63.4 to 65.5
0
Manganese (Mn), % 0
0.75 to 1.0
Nickel (Ni), % 0 to 0.010
0
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0
0.15 to 0.35
Silver (Ag), % 0 to 0.1
0
Sulfur (S), % 0
0 to 0.040
Tin (Sn), % 34.5 to 35.5
0
Zinc (Zn), % 0 to 0.0010
0