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Solder Alloy 182 vs. Solder Alloy 301

Both solder alloy 182 and solder alloy 301 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 182 and the bottom bar is solder alloy 301.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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