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Solder Alloy 137 vs. AWS BVAg-8b

Both solder alloy 137 and AWS BVAg-8b 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 solder alloy 137 and the bottom bar is AWS BVAg-8b.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 24
84
Poisson's Ratio 0.42
0.36
Shear Modulus, GPa 8.3
31
Tensile Strength: Ultimate (UTS), MPa 34
170

Thermal Properties

Latent Heat of Fusion, J/g 33
140
Melting Completion (Liquidus), °C 270
800
Melting Onset (Solidus), °C 190
780
Specific Heat Capacity, J/kg-K 150
280
Thermal Expansion, µm/m-K 27
19

Otherwise Unclassified Properties

Density, g/cm3 10
10

Common Calculations

Stiffness to Weight: Axial, points 1.3
4.7
Stiffness to Weight: Bending, points 9.2
15
Strength to Weight: Axial, points 0.9
4.7
Strength to Weight: Bending, points 2.2
6.8
Thermal Shock Resistance, points 3.7
7.6

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0
Antimony (Sb), % 0.5 to 3.0
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.25
0
Cadmium (Cd), % 0 to 0.0050
0 to 0.0010
Carbon (C), % 0
0 to 0.0050
Copper (Cu), % 0 to 0.080
26.8 to 29.2
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0
Lead (Pb), % 75.9 to 80
0 to 0.0020
Nickel (Ni), % 0 to 0.010
0.3 to 0.7
Phosphorus (P), % 0
0 to 0.0020
Silver (Ag), % 0 to 0.1
70.5 to 72.5
Tin (Sn), % 19.5 to 20.5
0
Zinc (Zn), % 0 to 0.0010
0 to 0.0010