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Solder Alloy 135 vs. SAE-AISI 5155 Steel

Solder alloy 135 belongs to the otherwise unclassified metals classification, while SAE-AISI 5155 steel belongs to the iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is solder alloy 135 and the bottom bar is SAE-AISI 5155 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 27
190
Elongation at Break, % 20
21
Poisson's Ratio 0.41
0.29
Shear Modulus, GPa 9.5
73
Tensile Strength: Ultimate (UTS), MPa 35
620

Thermal Properties

Latent Heat of Fusion, J/g 36
250
Melting Completion (Liquidus), °C 250
1450
Melting Onset (Solidus), °C 190
1410
Specific Heat Capacity, J/kg-K 160
470
Thermal Conductivity, W/m-K 42
49
Thermal Expansion, µm/m-K 27
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.5
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 90
2.1
Density, g/cm3 10
7.8
Embodied Carbon, kg CO2/kg material 7.3
1.4
Embodied Energy, MJ/kg 120
19
Embodied Water, L/kg 720
49

Common Calculations

Stiffness to Weight: Axial, points 1.5
13
Stiffness to Weight: Bending, points 9.9
24
Strength to Weight: Axial, points 1.0
22
Strength to Weight: Bending, points 2.4
21
Thermal Diffusivity, mm2/s 27
13
Thermal Shock Resistance, points 3.5
20

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0
Antimony (Sb), % 0.5 to 1.8
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
0.51 to 0.59
Chromium (Cr), % 0
0.7 to 0.9
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
97.2 to 97.9
Lead (Pb), % 67.1 to 70
0
Manganese (Mn), % 0
0.7 to 0.9
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), % 29.5 to 30.5
0
Zinc (Zn), % 0 to 0.0010
0