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AWS BAg-6 vs. Solder Alloy 721

Both AWS BAg-6 and solder alloy 721 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-6 and the bottom bar is solder alloy 721.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 89
51
Poisson's Ratio 0.34
0.36
Shear Modulus, GPa 33
19
Tensile Strength: Ultimate (UTS), MPa 160
50

Thermal Properties

Latent Heat of Fusion, J/g 140
61
Melting Completion (Liquidus), °C 770
220
Melting Onset (Solidus), °C 690
210
Specific Heat Capacity, J/kg-K 310
220
Thermal Expansion, µm/m-K 20
22

Otherwise Unclassified Properties

Density, g/cm3 9.3
7.4
Embodied Carbon, kg CO2/kg material 49
17
Embodied Energy, MJ/kg 770
280

Common Calculations

Stiffness to Weight: Axial, points 5.3
3.8
Stiffness to Weight: Bending, points 16
17
Strength to Weight: Axial, points 4.8
1.9
Strength to Weight: Bending, points 7.0
4.1
Thermal Shock Resistance, points 6.5
3.2

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
0.8 to 1.2
Cadmium (Cd), % 0
0 to 0.0020
Copper (Cu), % 33 to 35
0.3 to 0.7
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
2.3 to 2.7
Tin (Sn), % 0
95 to 96.6
Zinc (Zn), % 14 to 18
0 to 0.0010
Residuals, % 0 to 0.15
0