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Solder Alloy 502 vs. AWS BVPd-1

Both solder alloy 502 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 (8, in this case) are not shown.

For each property being compared, the top bar is solder alloy 502 and the bottom bar is AWS BVPd-1.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 53
150
Poisson's Ratio 0.36
0.37
Shear Modulus, GPa 19
56
Tensile Strength: Ultimate (UTS), MPa 58
240

Thermal Properties

Latent Heat of Fusion, J/g 66
200
Melting Completion (Liquidus), °C 350
1240
Melting Onset (Solidus), °C 220
1230
Specific Heat Capacity, J/kg-K 230
310
Thermal Expansion, µm/m-K 22
12

Otherwise Unclassified Properties

Density, g/cm3 7.4
11

Common Calculations

Stiffness to Weight: Axial, points 4.0
7.7
Stiffness to Weight: Bending, points 17
16
Strength to Weight: Axial, points 2.2
6.1
Strength to Weight: Bending, points 4.5
7.9
Thermal Shock Resistance, points 3.6
9.8

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0
Antimony (Sb), % 0 to 0.1
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.080
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), % 3.5 to 4.5
0
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0
Lead (Pb), % 0 to 0.070
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), % 0.8 to 1.2
0
Tin (Sn), % 93.8 to 95.7
0
Zinc (Zn), % 0 to 0.0010
0 to 0.0010