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Solder Alloy 115 vs. SAE-AISI P20 Steel

Solder alloy 115 belongs to the otherwise unclassified metals classification, while SAE-AISI P20 steel belongs to the iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (3, 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 P20 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 28
190
Poisson's Ratio 0.41
0.29
Shear Modulus, GPa 10
73
Tensile Strength: Ultimate (UTS), MPa 36
540 to 1050

Thermal Properties

Latent Heat of Fusion, J/g 36
260
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
45
Thermal Expansion, µm/m-K 27
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.8
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.9
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 95
2.8
Density, g/cm3 9.9
7.8
Embodied Carbon, kg CO2/kg material 7.8
1.6
Embodied Energy, MJ/kg 130
21
Embodied Water, L/kg 730
52

Common Calculations

Stiffness to Weight: Axial, points 1.6
13
Stiffness to Weight: Bending, points 10
24
Strength to Weight: Axial, points 1.0
19 to 37
Strength to Weight: Bending, points 2.4
19 to 29
Thermal Diffusivity, mm2/s 27
12
Thermal Shock Resistance, points 3.4
18 to 35

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
Cadmium (Cd), % 0 to 0.0050
0
Carbon (C), % 0
0.28 to 0.4
Chromium (Cr), % 0
0.4 to 2.0
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
95.2 to 98.5
Lead (Pb), % 63.4 to 65.5
0
Manganese (Mn), % 0
0.35 to 0.71
Molybdenum (Mo), % 0
0.3 to 0.55
Nickel (Ni), % 0 to 0.010
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0.2 to 0.8
Silver (Ag), % 0 to 0.1
0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 34.5 to 35.5
0
Zinc (Zn), % 0 to 0.0010
0