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Solder Alloy 301 vs. Solder Alloy 182

Both solder alloy 301 and solder alloy 182 are otherwise unclassified metals. Both are furnished in the as-fabricated (no temper or treatment) condition. There are 22 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is solder alloy 301 and the bottom bar is solder alloy 182.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 40
19
Elongation at Break, % 51
37
Poisson's Ratio 0.34
0.44
Shear Modulus, GPa 15
6.7
Tensile Strength: Ultimate (UTS), MPa 55
28

Thermal Properties

Latent Heat of Fusion, J/g 55
28
Melting Completion (Liquidus), °C 140
370
Melting Onset (Solidus), °C 140
300
Specific Heat Capacity, J/kg-K 160
130
Thermal Conductivity, W/m-K 19
27
Thermal Expansion, µm/m-K 14
29

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.7
9.6
Electrical Conductivity: Equal Weight (Specific), % IACS 4.9
7.6

Otherwise Unclassified Properties

Density, g/cm3 8.7
11
Embodied Carbon, kg CO2/kg material 13
9.0
Embodied Energy, MJ/kg 210
140

Common Calculations

Stiffness to Weight: Axial, points 2.5
0.95
Stiffness to Weight: Bending, points 13
7.9
Strength to Weight: Axial, points 1.8
0.69
Strength to Weight: Bending, points 3.7
1.8
Thermal Diffusivity, mm2/s 13
18
Thermal Shock Resistance, points 7.2
3.7

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0 to 0.0010
Antimony (Sb), % 0 to 0.1
0 to 0.2
Arsenic (As), % 0 to 0.030
0 to 0.030
Bismuth (Bi), % 56.5 to 59
0 to 0.1
Cadmium (Cd), % 0 to 0.0020
0 to 0.0020
Copper (Cu), % 0 to 0.050
0 to 0.080
Gold (Au), % 0 to 0.050
0 to 0.050
Indium (In), % 0 to 0.1
0 to 0.1
Iron (Fe), % 0 to 0.020
0 to 0.020
Lead (Pb), % 0 to 0.070
93.2 to 95
Nickel (Ni), % 0 to 0.010
0 to 0.010
Silver (Ag), % 0 to 0.1
5.0 to 6.0
Tin (Sn), % 41 to 43
0 to 0.25
Zinc (Zn), % 0 to 0.0010
0 to 0.0010