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AWS BAg-2a vs. Solder Alloy 701

Both AWS BAg-2a and solder alloy 701 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 AWS BAg-2a and the bottom bar is solder alloy 701.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 83
51
Poisson's Ratio 0.32
0.36
Shear Modulus, GPa 31
19
Tensile Strength: Ultimate (UTS), MPa 170
54

Thermal Properties

Latent Heat of Fusion, J/g 130
61
Melting Completion (Liquidus), °C 710
230
Melting Onset (Solidus), °C 610
220
Specific Heat Capacity, J/kg-K 310
220
Thermal Expansion, µm/m-K 23
22

Otherwise Unclassified Properties

Density, g/cm3 8.8
7.4
Embodied Carbon, kg CO2/kg material 30
18
Embodied Energy, MJ/kg 470
300

Common Calculations

Stiffness to Weight: Axial, points 5.2
3.8
Stiffness to Weight: Bending, points 17
17
Strength to Weight: Axial, points 5.4
2.0
Strength to Weight: Bending, points 7.8
4.3
Thermal Shock Resistance, points 6.5
3.5

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 0.1
Cadmium (Cd), % 19 to 21
0 to 0.0020
Copper (Cu), % 26 to 28
0 to 0.050
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), % 29 to 31
3.5 to 3.9
Tin (Sn), % 0
95.6 to 96.5
Zinc (Zn), % 21 to 25
0 to 0.0010
Residuals, % 0 to 0.15
0