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AWS BVAu-7 vs. Solder Alloy 117

Both AWS BVAu-7 and solder alloy 117 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 (11, in this case) are not shown.

For each property being compared, the top bar is AWS BVAu-7 and the bottom bar is solder alloy 117.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 130
23
Poisson's Ratio 0.38
0.42
Shear Modulus, GPa 45
8.1
Tensile Strength: Ultimate (UTS), MPa 200
33

Thermal Properties

Latent Heat of Fusion, J/g 140
31
Melting Completion (Liquidus), °C 1120
280
Melting Onset (Solidus), °C 1100
180
Specific Heat Capacity, J/kg-K 240
150
Thermal Expansion, µm/m-K 13
28

Otherwise Unclassified Properties

Density, g/cm3 15
11

Common Calculations

Stiffness to Weight: Axial, points 4.7
1.2
Stiffness to Weight: Bending, points 11
9.0
Strength to Weight: Axial, points 3.7
0.88
Strength to Weight: Bending, points 5.1
2.2
Thermal Shock Resistance, points 8.9
3.7

Alloy Composition

Aluminum (Al), % 0
0 to 0.0010
Antimony (Sb), % 0
0 to 0.5
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0 to 0.25
Cadmium (Cd), % 0 to 0.0010
0 to 0.0050
Carbon (C), % 0 to 0.0050
0
Cobalt (Co), % 0 to 0.060
0
Copper (Cu), % 0
0 to 0.080
Gold (Au), % 49.5 to 50.5
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 0
0 to 0.020
Lead (Pb), % 0 to 0.0020
78.4 to 80.5
Nickel (Ni), % 24.5 to 25.5
0 to 0.010
Palladium (Pd), % 23.9 to 26
0
Phosphorus (P), % 0 to 0.0020
0
Silver (Ag), % 0
0 to 0.1
Tin (Sn), % 0
19.5 to 20.5
Zinc (Zn), % 0 to 0.0010
0 to 0.0010