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Solder Alloy 131 vs. AWS BAg-7

Both solder alloy 131 and AWS BAg-7 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-7.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 38
83
Poisson's Ratio 0.39
0.34
Shear Modulus, GPa 14
31
Tensile Strength: Ultimate (UTS), MPa 31
150

Thermal Properties

Latent Heat of Fusion, J/g 46
130
Melting Completion (Liquidus), °C 180
650
Melting Onset (Solidus), °C 180
620
Specific Heat Capacity, J/kg-K 190
290
Thermal Expansion, µm/m-K 25
20

Otherwise Unclassified Properties

Density, g/cm3 8.8
9.3
Embodied Carbon, kg CO2/kg material 11
55
Embodied Energy, MJ/kg 180
860

Common Calculations

Stiffness to Weight: Axial, points 2.4
4.9
Stiffness to Weight: Bending, points 13
16
Strength to Weight: Axial, points 1.0
4.5
Strength to Weight: Bending, points 2.5
6.7
Thermal Shock Resistance, points 2.4
6.4

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
0
Copper (Cu), % 0 to 0.080
21 to 23
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
55 to 57
Tin (Sn), % 62.5 to 63.5
4.5 to 5.5
Zinc (Zn), % 0 to 0.0010
15 to 19
Residuals, % 0
0 to 0.15