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Solder Alloy 171 vs. AWS BVAg-18

Both solder alloy 171 and AWS BVAg-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 (7, in this case) are not shown.

For each property being compared, the top bar is solder alloy 171 and the bottom bar is AWS BVAg-18.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 38
82
Poisson's Ratio 0.39
0.36
Shear Modulus, GPa 14
30
Tensile Strength: Ultimate (UTS), MPa 48
180

Thermal Properties

Latent Heat of Fusion, J/g 47
140
Melting Completion (Liquidus), °C 180
720
Melting Onset (Solidus), °C 180
600
Specific Heat Capacity, J/kg-K 190
280
Thermal Expansion, µm/m-K 24
19

Otherwise Unclassified Properties

Density, g/cm3 8.8
9.7
Embodied Carbon, kg CO2/kg material 13
59
Embodied Energy, MJ/kg 210
930

Common Calculations

Stiffness to Weight: Axial, points 2.4
4.7
Stiffness to Weight: Bending, points 13
15
Strength to Weight: Axial, points 1.5
5.1
Strength to Weight: Bending, points 3.3
7.3
Thermal Shock Resistance, points 3.7
8.1

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0
Antimony (Sb), % 0 to 0.2
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.1
0
Cadmium (Cd), % 0 to 0.0020
0 to 0.0010
Carbon (C), % 0
0 to 0.0050
Copper (Cu), % 0 to 0.080
28.5 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), % 34.7 to 36.7
0 to 0.0020
Nickel (Ni), % 0 to 0.010
0
Phosphorus (P), % 0
0 to 0.0020
Silver (Ag), % 1.8 to 2.2
59 to 61
Tin (Sn), % 61.5 to 62.5
9.5 to 10.5
Zinc (Zn), % 0 to 0.0010
0 to 0.0010