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SAE-AISI A3 Steel vs. Solder Alloy 101

SAE-AISI A3 steel belongs to the iron alloys classification, while solder alloy 101 belongs to the otherwise unclassified metals. There are 22 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 SAE-AISI A3 steel and the bottom bar is solder alloy 101.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
38
Poisson's Ratio 0.29
0.39
Shear Modulus, GPa 73
14
Tensile Strength: Ultimate (UTS), MPa 700 to 2150
31

Thermal Properties

Latent Heat of Fusion, J/g 260
46
Melting Completion (Liquidus), °C 1450
180
Melting Onset (Solidus), °C 1410
180
Specific Heat Capacity, J/kg-K 470
190
Thermal Conductivity, W/m-K 37
51
Thermal Expansion, µm/m-K 12
25

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.3
12
Electrical Conductivity: Equal Weight (Specific), % IACS 9.7
12

Otherwise Unclassified Properties

Density, g/cm3 7.8
8.8
Embodied Carbon, kg CO2/kg material 4.4
11
Embodied Energy, MJ/kg 67
180
Embodied Water, L/kg 78
930

Common Calculations

Stiffness to Weight: Axial, points 14
2.4
Stiffness to Weight: Bending, points 25
13
Strength to Weight: Axial, points 25 to 77
1.0
Strength to Weight: Bending, points 23 to 48
2.5
Thermal Diffusivity, mm2/s 10
31
Thermal Shock Resistance, points 23 to 70
2.4

Alloy Composition

Aluminum (Al), % 0
0 to 0.0010
Antimony (Sb), % 0
0 to 0.2
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0 to 0.1
Cadmium (Cd), % 0
0 to 0.0020
Carbon (C), % 1.2 to 1.3
0
Chromium (Cr), % 4.8 to 5.5
0
Copper (Cu), % 0 to 0.25
0 to 0.080
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 88.7 to 92
0 to 0.020
Lead (Pb), % 0
35.8 to 37.5
Manganese (Mn), % 0.4 to 0.6
0
Molybdenum (Mo), % 0.9 to 1.4
0
Nickel (Ni), % 0 to 0.3
0 to 0.010
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.5
0
Silver (Ag), % 0
0 to 0.1
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
62.5 to 63.5
Vanadium (V), % 0.8 to 1.4
0
Zinc (Zn), % 0
0 to 0.0010