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Solder Alloy 131 vs. AWS BAg-8

Both solder alloy 131 and AWS BAg-8 are otherwise unclassified metals. Both are furnished in the as-fabricated (no temper or treatment) condition. There are 15 material properties with values for both materials. Properties with values for just one material (9, 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-8.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 38
84
Poisson's Ratio 0.39
0.36
Shear Modulus, GPa 14
31
Tensile Strength: Ultimate (UTS), MPa 31
150

Thermal Properties

Latent Heat of Fusion, J/g 46
140
Melting Completion (Liquidus), °C 180
780
Melting Onset (Solidus), °C 180
780
Specific Heat Capacity, J/kg-K 190
280
Thermal Expansion, µm/m-K 25
19

Otherwise Unclassified Properties

Density, g/cm3 8.8
10

Common Calculations

Stiffness to Weight: Axial, points 2.4
4.6
Stiffness to Weight: Bending, points 13
14
Strength to Weight: Axial, points 1.0
4.1
Strength to Weight: Bending, points 2.5
6.2
Thermal Shock Resistance, points 2.4
6.7

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
26.9 to 29
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
71 to 73
Tin (Sn), % 62.5 to 63.5
0
Zinc (Zn), % 0 to 0.0010
0
Residuals, % 0
0 to 0.15