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Solder Alloy 171 vs. AWS BVPd-1

Both solder alloy 171 and AWS BVPd-1 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 (9, in this case) are not shown.

For each property being compared, the top bar is solder alloy 171 and the bottom bar is AWS BVPd-1.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 38
150
Poisson's Ratio 0.39
0.37
Shear Modulus, GPa 14
56
Tensile Strength: Ultimate (UTS), MPa 48
240

Thermal Properties

Latent Heat of Fusion, J/g 47
200
Melting Completion (Liquidus), °C 180
1240
Melting Onset (Solidus), °C 180
1230
Specific Heat Capacity, J/kg-K 190
310
Thermal Expansion, µm/m-K 24
12

Otherwise Unclassified Properties

Density, g/cm3 8.8
11

Common Calculations

Stiffness to Weight: Axial, points 2.4
7.7
Stiffness to Weight: Bending, points 13
16
Strength to Weight: Axial, points 1.5
6.1
Strength to Weight: Bending, points 3.3
7.9
Thermal Shock Resistance, points 3.7
9.8

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
Cobalt (Co), % 0
33.9 to 36
Copper (Cu), % 0 to 0.080
0
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 to 0.060
Palladium (Pd), % 0
64 to 66
Phosphorus (P), % 0
0 to 0.0020
Silver (Ag), % 1.8 to 2.2
0
Tin (Sn), % 61.5 to 62.5
0
Zinc (Zn), % 0 to 0.0010
0 to 0.0010