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AWS BAg-1a vs. Solder Alloy 402

Both AWS BAg-1a and solder alloy 402 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 (7, in this case) are not shown.

For each property being compared, the top bar is AWS BAg-1a and the bottom bar is solder alloy 402.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 77
52
Poisson's Ratio 0.33
0.36
Shear Modulus, GPa 29
19
Tensile Strength: Ultimate (UTS), MPa 180
57

Thermal Properties

Latent Heat of Fusion, J/g 120
64
Melting Completion (Liquidus), °C 640
310
Melting Onset (Solidus), °C 630
230
Specific Heat Capacity, J/kg-K 280
230
Thermal Expansion, µm/m-K 22
22

Otherwise Unclassified Properties

Density, g/cm3 9.3
7.3
Embodied Carbon, kg CO2/kg material 48
15
Embodied Energy, MJ/kg 760
250

Common Calculations

Stiffness to Weight: Axial, points 4.6
3.9
Stiffness to Weight: Bending, points 15
17
Strength to Weight: Axial, points 5.4
2.2
Strength to Weight: Bending, points 7.6
4.5
Thermal Shock Resistance, points 7.5
3.6

Alloy Composition


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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 0.1
Cadmium (Cd), % 17 to 19
0 to 0.0020
Copper (Cu), % 14.5 to 16.5
2.5 to 3.5
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
Nickel (Ni), % 0
0 to 0.010
Silver (Ag), % 49 to 51
0 to 0.1
Tin (Sn), % 0
95.9 to 97.5
Zinc (Zn), % 14.5 to 18.5
0 to 0.0010
Residuals, % 0 to 0.15
0