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336.0 Aluminum vs. Solder Alloy 121

336.0 aluminum belongs to the aluminum alloys classification, while solder alloy 121 belongs to the otherwise unclassified metals. There are 25 material properties with values for both materials. Properties with values for just one material (6, 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 336.0 aluminum and the bottom bar is solder alloy 121.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110 to 130
11
Elastic (Young's, Tensile) Modulus, GPa 75
21
Elongation at Break, % 0.5
25
Poisson's Ratio 0.33
0.43
Shear Modulus, GPa 28
7.5
Tensile Strength: Ultimate (UTS), MPa 250 to 320
32

Thermal Properties

Latent Heat of Fusion, J/g 570
29
Melting Completion (Liquidus), °C 570
290
Melting Onset (Solidus), °C 540
230
Specific Heat Capacity, J/kg-K 890
140
Thermal Conductivity, W/m-K 120
31
Thermal Expansion, µm/m-K 19
28

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29
8.8
Electrical Conductivity: Equal Weight (Specific), % IACS 95
7.4

Otherwise Unclassified Properties

Base Metal Price, % relative 11
80
Density, g/cm3 2.8
11
Embodied Carbon, kg CO2/kg material 7.9
5.6
Embodied Energy, MJ/kg 140
93
Embodied Water, L/kg 1010
580

Common Calculations

Stiffness to Weight: Axial, points 15
1.1
Stiffness to Weight: Bending, points 51
8.6
Strength to Weight: Axial, points 25 to 32
0.84
Strength to Weight: Bending, points 32 to 38
2.1
Thermal Diffusivity, mm2/s 48
20
Thermal Shock Resistance, points 12 to 16
3.9

Alloy Composition

Aluminum (Al), % 79.1 to 85.8
0 to 0.0010
Antimony (Sb), % 0
0 to 0.5
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0 to 0.25
Cadmium (Cd), % 0
0 to 0.0050
Copper (Cu), % 0.5 to 1.5
0 to 0.080
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 0 to 1.2
0 to 0.020
Lead (Pb), % 0
83.4 to 85.5
Magnesium (Mg), % 0.7 to 1.3
0
Manganese (Mn), % 0 to 0.35
0
Nickel (Ni), % 2.0 to 3.0
0 to 0.010
Silicon (Si), % 11 to 13
0
Silver (Ag), % 0
0 to 0.1
Tin (Sn), % 0
14.5 to 15.5
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.35
0 to 0.0010