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Solder Alloy 131 vs. AWS BAg-2a

Both solder alloy 131 and AWS BAg-2a are otherwise unclassified metals. Both are furnished in the as-fabricated (no temper or treatment) condition. There are 17 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 solder alloy 131 and the bottom bar is AWS BAg-2a.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 38
83
Poisson's Ratio 0.39
0.32
Shear Modulus, GPa 14
31
Tensile Strength: Ultimate (UTS), MPa 31
170

Thermal Properties

Latent Heat of Fusion, J/g 46
130
Melting Completion (Liquidus), °C 180
710
Melting Onset (Solidus), °C 180
610
Specific Heat Capacity, J/kg-K 190
310
Thermal Expansion, µm/m-K 25
23

Otherwise Unclassified Properties

Density, g/cm3 8.8
8.8
Embodied Carbon, kg CO2/kg material 11
30
Embodied Energy, MJ/kg 180
470

Common Calculations

Stiffness to Weight: Axial, points 2.4
5.2
Stiffness to Weight: Bending, points 13
17
Strength to Weight: Axial, points 1.0
5.4
Strength to Weight: Bending, points 2.5
7.8
Thermal Shock Resistance, points 2.4
6.5

Alloy Composition


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Aluminum (Al), % 0 to 0.0010
0
Antimony (Sb), % 0.2 to 0.5
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.1
0
Cadmium (Cd), % 0 to 0.0020
19 to 21
Copper (Cu), % 0 to 0.080
26 to 28
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0
Lead (Pb), % 35.5 to 37.3
0
Nickel (Ni), % 0 to 0.010
0
Silver (Ag), % 0 to 0.1
29 to 31
Tin (Sn), % 62.5 to 63.5
0
Zinc (Zn), % 0 to 0.0010
21 to 25
Residuals, % 0
0 to 0.15