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Solder Alloy 137 vs. AWS BAg-18

Both solder alloy 137 and AWS BAg-18 are otherwise unclassified metals. Both are furnished in the as-fabricated (no temper or treatment) condition. There are 17 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is solder alloy 137 and the bottom bar is AWS BAg-18.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 24
82
Poisson's Ratio 0.42
0.36
Shear Modulus, GPa 8.3
30
Tensile Strength: Ultimate (UTS), MPa 34
170

Thermal Properties

Latent Heat of Fusion, J/g 33
130
Melting Completion (Liquidus), °C 270
720
Melting Onset (Solidus), °C 190
600
Specific Heat Capacity, J/kg-K 150
280
Thermal Expansion, µm/m-K 27
19

Otherwise Unclassified Properties

Density, g/cm3 10
9.7
Embodied Carbon, kg CO2/kg material 6.3
59
Embodied Energy, MJ/kg 100
930

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
4.9
Strength to Weight: Bending, points 2.2
7.0
Thermal Shock Resistance, points 3.7
7.7

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
Copper (Cu), % 0 to 0.080
28.4 to 31.5
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
Nickel (Ni), % 0 to 0.010
0
Silver (Ag), % 0 to 0.1
59 to 61
Tin (Sn), % 19.5 to 20.5
9.5 to 10.5
Zinc (Zn), % 0 to 0.0010
0
Residuals, % 0
0 to 0.15