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Solder Alloy 201 vs. AWS BVAg-31

Both solder alloy 201 and AWS BVAg-31 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 (10, in this case) are not shown.

For each property being compared, the top bar is solder alloy 201 and the bottom bar is AWS BVAg-31.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 50
90
Poisson's Ratio 0.35
0.36
Shear Modulus, GPa 19
33
Tensile Strength: Ultimate (UTS), MPa 41
180

Thermal Properties

Latent Heat of Fusion, J/g 64
150
Melting Completion (Liquidus), °C 240
850
Melting Onset (Solidus), °C 240
820
Specific Heat Capacity, J/kg-K 220
280
Thermal Expansion, µm/m-K 21
18

Otherwise Unclassified Properties

Density, g/cm3 7.3
10

Common Calculations

Stiffness to Weight: Axial, points 3.8
4.9
Stiffness to Weight: Bending, points 17
15
Strength to Weight: Axial, points 1.6
4.9
Strength to Weight: Bending, points 3.6
7.0
Thermal Shock Resistance, points 2.7
7.8

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0
Antimony (Sb), % 4.5 to 5.5
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 0.050
31 to 33
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
Palladium (Pd), % 0
8.0 to 12
Phosphorus (P), % 0
0 to 0.0020
Silver (Ag), % 0 to 0.1
57 to 59
Tin (Sn), % 94 to 95.5
0
Zinc (Zn), % 0 to 0.0010
0 to 0.0010