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AWS BVAg-0 vs. Solder Alloy 121

Both AWS BVAg-0 and solder alloy 121 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 BVAg-0 and the bottom bar is solder alloy 121.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
21
Poisson's Ratio 0.37
0.43
Shear Modulus, GPa 26
7.5
Tensile Strength: Ultimate (UTS), MPa 130
32

Thermal Properties

Latent Heat of Fusion, J/g 110
29
Melting Completion (Liquidus), °C 960
290
Melting Onset (Solidus), °C 960
230
Specific Heat Capacity, J/kg-K 240
140
Thermal Expansion, µm/m-K 20
28

Otherwise Unclassified Properties

Density, g/cm3 10
11

Common Calculations

Stiffness to Weight: Axial, points 3.8
1.1
Stiffness to Weight: Bending, points 13
8.6
Strength to Weight: Axial, points 3.4
0.84
Strength to Weight: Bending, points 5.4
2.1
Thermal Shock Resistance, points 6.6
3.9

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
Copper (Cu), % 0 to 0.050
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
83.4 to 85.5
Nickel (Ni), % 0
0 to 0.010
Phosphorus (P), % 0 to 0.0020
0
Silver (Ag), % 99.95 to 100
0 to 0.1
Tin (Sn), % 0
14.5 to 15.5
Zinc (Zn), % 0 to 0.0010
0 to 0.0010