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AWS BVAg-31 vs. Solder Alloy 103

Both AWS BVAg-31 and solder alloy 103 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 AWS BVAg-31 and the bottom bar is solder alloy 103.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 90
37
Poisson's Ratio 0.36
0.39
Shear Modulus, GPa 33
13
Tensile Strength: Ultimate (UTS), MPa 180
52

Thermal Properties

Latent Heat of Fusion, J/g 150
45
Melting Completion (Liquidus), °C 850
190
Melting Onset (Solidus), °C 820
180
Specific Heat Capacity, J/kg-K 280
180
Thermal Expansion, µm/m-K 18
24

Otherwise Unclassified Properties

Density, g/cm3 10
8.9

Common Calculations

Stiffness to Weight: Axial, points 4.9
2.3
Stiffness to Weight: Bending, points 15
12
Strength to Weight: Axial, points 4.9
1.6
Strength to Weight: Bending, points 7.0
3.5
Thermal Shock Resistance, points 7.8
4.3

Alloy Composition

Aluminum (Al), % 0
0 to 0.0010
Antimony (Sb), % 0
0 to 0.2
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0 to 0.1
Cadmium (Cd), % 0 to 0.0010
0 to 0.0020
Carbon (C), % 0 to 0.0050
0
Copper (Cu), % 31 to 33
0 to 0.080
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 0
0 to 0.020
Lead (Pb), % 0 to 0.0020
38.8 to 40.5
Nickel (Ni), % 0
0 to 0.010
Palladium (Pd), % 8.0 to 12
0
Phosphorus (P), % 0 to 0.0020
0
Silver (Ag), % 57 to 59
0 to 0.1
Tin (Sn), % 0
59.5 to 60.5
Zinc (Zn), % 0 to 0.0010
0 to 0.0010