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AWS BVAg-32 vs. Solder Alloy 137

Both AWS BVAg-32 and solder alloy 137 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 (10, in this case) are not shown.

For each property being compared, the top bar is AWS BVAg-32 and the bottom bar is solder alloy 137.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 93
24
Poisson's Ratio 0.37
0.42
Shear Modulus, GPa 34
8.3
Tensile Strength: Ultimate (UTS), MPa 180
34

Thermal Properties

Latent Heat of Fusion, J/g 140
33
Melting Completion (Liquidus), °C 950
270
Melting Onset (Solidus), °C 900
190
Specific Heat Capacity, J/kg-K 270
150
Thermal Expansion, µm/m-K 17
27

Otherwise Unclassified Properties

Density, g/cm3 11
10

Common Calculations

Stiffness to Weight: Axial, points 4.9
1.3
Stiffness to Weight: Bending, points 14
9.2
Strength to Weight: Axial, points 4.7
0.9
Strength to Weight: Bending, points 6.7
2.2
Thermal Shock Resistance, points 8.0
3.7

Alloy Composition

Aluminum (Al), % 0
0 to 0.0010
Antimony (Sb), % 0
0.5 to 3.0
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
Copper (Cu), % 20 to 22
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
75.9 to 80
Nickel (Ni), % 0
0 to 0.010
Palladium (Pd), % 23 to 27
0
Phosphorus (P), % 0 to 0.0020
0
Silver (Ag), % 53 to 55
0 to 0.1
Tin (Sn), % 0
19.5 to 20.5
Zinc (Zn), % 0 to 0.0010
0 to 0.0010