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SAE-AISI L3 Steel vs. Solder Alloy 201

SAE-AISI L3 steel belongs to the iron alloys classification, while solder alloy 201 belongs to the otherwise unclassified metals. There are 22 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 SAE-AISI L3 steel and the bottom bar is solder alloy 201.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
50
Poisson's Ratio 0.29
0.35
Shear Modulus, GPa 72
19
Tensile Strength: Ultimate (UTS), MPa 600 to 2250
41

Thermal Properties

Latent Heat of Fusion, J/g 250
64
Melting Completion (Liquidus), °C 1450
240
Melting Onset (Solidus), °C 1410
240
Specific Heat Capacity, J/kg-K 470
220
Thermal Conductivity, W/m-K 43
28
Thermal Expansion, µm/m-K 13
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
12
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
15

Otherwise Unclassified Properties

Density, g/cm3 7.8
7.3
Embodied Carbon, kg CO2/kg material 1.9
15
Embodied Energy, MJ/kg 27
250
Embodied Water, L/kg 53
1320

Common Calculations

Stiffness to Weight: Axial, points 13
3.8
Stiffness to Weight: Bending, points 24
17
Strength to Weight: Axial, points 21 to 80
1.6
Strength to Weight: Bending, points 20 to 49
3.6
Thermal Diffusivity, mm2/s 12
17
Thermal Shock Resistance, points 18 to 67
2.7

Alloy Composition

Aluminum (Al), % 0
0 to 0.0010
Antimony (Sb), % 0
4.5 to 5.5
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0 to 0.1
Cadmium (Cd), % 0
0 to 0.0020
Carbon (C), % 1.0 to 1.1
0
Chromium (Cr), % 1.3 to 1.7
0
Copper (Cu), % 0
0 to 0.050
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 95.5 to 97.3
0 to 0.020
Lead (Pb), % 0
0 to 0.070
Manganese (Mn), % 0.25 to 0.8
0
Nickel (Ni), % 0
0 to 0.010
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.1 to 0.5
0
Silver (Ag), % 0
0 to 0.1
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
94 to 95.5
Vanadium (V), % 0.1 to 0.3
0
Zinc (Zn), % 0
0 to 0.0010