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2618 Aluminum vs. Solder Alloy 601

2618 aluminum belongs to the aluminum alloys classification, while solder alloy 601 belongs to the otherwise unclassified metals. There are 22 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is 2618 aluminum and the bottom bar is solder alloy 601.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 120
5.0
Elastic (Young's, Tensile) Modulus, GPa 71
31
Elongation at Break, % 5.8
83
Poisson's Ratio 0.33
0.41
Shear Modulus, GPa 27
11
Tensile Strength: Ultimate (UTS), MPa 420
12

Thermal Properties

Latent Heat of Fusion, J/g 390
43
Melting Completion (Liquidus), °C 640
120
Melting Onset (Solidus), °C 550
120
Specific Heat Capacity, J/kg-K 880
230
Thermal Conductivity, W/m-K 160
34
Thermal Expansion, µm/m-K 22
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 37
12
Electrical Conductivity: Equal Weight (Specific), % IACS 110
14

Otherwise Unclassified Properties

Density, g/cm3 2.9
7.3
Embodied Water, L/kg 1150
1330

Common Calculations

Stiffness to Weight: Axial, points 13
2.3
Stiffness to Weight: Bending, points 47
14
Strength to Weight: Axial, points 40
0.45
Strength to Weight: Bending, points 42
1.6
Thermal Diffusivity, mm2/s 62
20
Thermal Shock Resistance, points 19
1.2

Alloy Composition

Aluminum (Al), % 92.4 to 94.9
0 to 0.0010
Antimony (Sb), % 0
0 to 0.1
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0 to 0.1
Cadmium (Cd), % 0
0 to 0.0020
Copper (Cu), % 1.9 to 2.7
0 to 0.050
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
51 to 52.5
Iron (Fe), % 0.9 to 1.3
0 to 0.020
Lead (Pb), % 0
0 to 0.070
Magnesium (Mg), % 1.3 to 1.8
0
Nickel (Ni), % 0.9 to 1.2
0 to 0.010
Silicon (Si), % 0.1 to 0.25
0
Silver (Ag), % 0
0 to 0.1
Tin (Sn), % 0
47.5 to 48.5
Titanium (Ti), % 0.040 to 0.1
0
Zinc (Zn), % 0 to 0.1
0 to 0.0010
Residuals, % 0 to 0.15
0