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AWS BAg-8a vs. Solder Alloy 502

Both AWS BAg-8a and solder alloy 502 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 BAg-8a and the bottom bar is solder alloy 502.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 83
53
Poisson's Ratio 0.36
0.36
Shear Modulus, GPa 31
19
Tensile Strength: Ultimate (UTS), MPa 150
58

Thermal Properties

Latent Heat of Fusion, J/g 140
66
Melting Completion (Liquidus), °C 770
350
Melting Onset (Solidus), °C 770
220
Specific Heat Capacity, J/kg-K 290
230
Thermal Expansion, µm/m-K 19
22

Otherwise Unclassified Properties

Density, g/cm3 10
7.4

Common Calculations

Stiffness to Weight: Axial, points 4.6
4.0
Stiffness to Weight: Bending, points 15
17
Strength to Weight: Axial, points 4.2
2.2
Strength to Weight: Bending, points 6.3
4.5
Thermal Shock Resistance, points 6.7
3.6

Alloy Composition

Aluminum (Al), % 0
0 to 0.0010
Antimony (Sb), % 0
0 to 0.1
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0 to 0.080
Cadmium (Cd), % 0
0 to 0.0020
Copper (Cu), % 26.4 to 28.8
3.5 to 4.5
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 0
0 to 0.020
Lead (Pb), % 0
0 to 0.070
Lithium (Li), % 0.25 to 0.5
0
Nickel (Ni), % 0
0 to 0.010
Silver (Ag), % 71 to 73
0.8 to 1.2
Tin (Sn), % 0
93.8 to 95.7
Zinc (Zn), % 0
0 to 0.0010
Residuals, % 0 to 0.15
0