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AWS BVPd-1 vs. Solder Alloy 181

Both AWS BVPd-1 and solder alloy 181 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 (8, in this case) are not shown.

For each property being compared, the top bar is AWS BVPd-1 and the bottom bar is solder alloy 181.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 150
18
Poisson's Ratio 0.37
0.44
Shear Modulus, GPa 56
6.1
Tensile Strength: Ultimate (UTS), MPa 240
27

Thermal Properties

Latent Heat of Fusion, J/g 200
26
Melting Completion (Liquidus), °C 1240
310
Melting Onset (Solidus), °C 1230
300
Specific Heat Capacity, J/kg-K 310
130
Thermal Expansion, µm/m-K 12
29

Otherwise Unclassified Properties

Density, g/cm3 11
11

Common Calculations

Stiffness to Weight: Axial, points 7.7
0.86
Stiffness to Weight: Bending, points 16
7.7
Strength to Weight: Axial, points 6.1
0.66
Strength to Weight: Bending, points 7.9
1.8
Thermal Shock Resistance, points 9.8
3.8

Alloy Composition

Aluminum (Al), % 0
0 to 0.0010
Antimony (Sb), % 0
0 to 0.2
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0 to 0.1
Cadmium (Cd), % 0 to 0.0010
0 to 0.0020
Carbon (C), % 0 to 0.0050
0
Cobalt (Co), % 33.9 to 36
0
Copper (Cu), % 0
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
96.2 to 98
Nickel (Ni), % 0 to 0.060
0 to 0.010
Palladium (Pd), % 64 to 66
0
Phosphorus (P), % 0 to 0.0020
0
Silver (Ag), % 0
2.0 to 3.0
Tin (Sn), % 0
0 to 0.25
Zinc (Zn), % 0 to 0.0010
0 to 0.0010