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Solder Alloy 715 vs. AWS BVAg-31

Both solder alloy 715 and AWS BVAg-31 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 715 and the bottom bar is AWS BVAg-31.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 51
90
Poisson's Ratio 0.36
0.36
Shear Modulus, GPa 19
33
Tensile Strength: Ultimate (UTS), MPa 30
180

Thermal Properties

Latent Heat of Fusion, J/g 61
150
Melting Completion (Liquidus), °C 220
850
Melting Onset (Solidus), °C 220
820
Specific Heat Capacity, J/kg-K 220
280
Thermal Expansion, µm/m-K 22
18

Otherwise Unclassified Properties

Density, g/cm3 7.3
10

Common Calculations

Stiffness to Weight: Axial, points 3.8
4.9
Stiffness to Weight: Bending, points 17
15
Strength to Weight: Axial, points 1.1
4.9
Strength to Weight: Bending, points 2.9
7.0
Thermal Shock Resistance, points 1.9
7.8

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0
Antimony (Sb), % 0 to 0.1
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.1
0
Cadmium (Cd), % 0 to 0.0020
0 to 0.0010
Carbon (C), % 0
0 to 0.0050
Copper (Cu), % 0.5 to 0.9
31 to 33
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0
Lead (Pb), % 0 to 0.070
0 to 0.0020
Nickel (Ni), % 0 to 0.010
0
Palladium (Pd), % 0
8.0 to 12
Phosphorus (P), % 0
0 to 0.0020
Silver (Ag), % 0.8 to 1.2
57 to 59
Tin (Sn), % 97.4 to 98.7
0
Zinc (Zn), % 0 to 0.0010
0 to 0.0010