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Solder Alloy 402 vs. AWS BAg-34

Both solder alloy 402 and AWS BAg-34 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 solder alloy 402 and the bottom bar is AWS BAg-34.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 52
89
Poisson's Ratio 0.36
0.33
Shear Modulus, GPa 19
34
Tensile Strength: Ultimate (UTS), MPa 57
170

Thermal Properties

Latent Heat of Fusion, J/g 64
140
Melting Completion (Liquidus), °C 310
720
Melting Onset (Solidus), °C 230
650
Specific Heat Capacity, J/kg-K 230
330
Thermal Expansion, µm/m-K 22
21

Otherwise Unclassified Properties

Density, g/cm3 7.3
8.8
Embodied Carbon, kg CO2/kg material 15
38
Embodied Energy, MJ/kg 250
600

Common Calculations

Stiffness to Weight: Axial, points 3.9
5.6
Stiffness to Weight: Bending, points 17
17
Strength to Weight: Axial, points 2.2
5.4
Strength to Weight: Bending, points 4.5
7.7
Thermal Shock Resistance, points 3.6
6.5

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 0.1
0
Cadmium (Cd), % 0 to 0.0020
0
Copper (Cu), % 2.5 to 3.5
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
Nickel (Ni), % 0 to 0.010
0
Silver (Ag), % 0 to 0.1
37 to 39
Tin (Sn), % 95.9 to 97.5
1.5 to 2.5
Zinc (Zn), % 0 to 0.0010
26 to 30
Residuals, % 0
0 to 0.15