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Solder Alloy 502 vs. AWS BAg-27

Both solder alloy 502 and AWS BAg-27 are otherwise unclassified metals. Both are furnished in the as-fabricated (no temper or treatment) condition. There are 17 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is solder alloy 502 and the bottom bar is AWS BAg-27.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 53
88
Poisson's Ratio 0.36
0.32
Shear Modulus, GPa 19
33
Tensile Strength: Ultimate (UTS), MPa 58
160

Thermal Properties

Latent Heat of Fusion, J/g 66
140
Melting Completion (Liquidus), °C 350
750
Melting Onset (Solidus), °C 220
610
Specific Heat Capacity, J/kg-K 230
330
Thermal Expansion, µm/m-K 22
22

Otherwise Unclassified Properties

Density, g/cm3 7.4
8.7
Embodied Carbon, kg CO2/kg material 15
25
Embodied Energy, MJ/kg 260
400

Common Calculations

Stiffness to Weight: Axial, points 4.0
5.7
Stiffness to Weight: Bending, points 17
17
Strength to Weight: Axial, points 2.2
5.1
Strength to Weight: Bending, points 4.5
7.6
Thermal Shock Resistance, points 3.6
5.9

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
12.5 to 14.5
Copper (Cu), % 3.5 to 4.5
34 to 36
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
Nickel (Ni), % 0 to 0.010
0
Silver (Ag), % 0.8 to 1.2
24 to 26
Tin (Sn), % 93.8 to 95.7
0
Zinc (Zn), % 0 to 0.0010
24.5 to 28.5
Residuals, % 0
0 to 0.15