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Solder Alloy 811 vs. AWS BAg-2a

Both solder alloy 811 and AWS BAg-2a 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 811 and the bottom bar is AWS BAg-2a.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 52
83
Poisson's Ratio 0.35
0.32
Shear Modulus, GPa 19
31
Tensile Strength: Ultimate (UTS), MPa 53
170

Thermal Properties

Latent Heat of Fusion, J/g 63
130
Melting Completion (Liquidus), °C 200
710
Melting Onset (Solidus), °C 190
610
Specific Heat Capacity, J/kg-K 230
310
Thermal Expansion, µm/m-K 22
23

Otherwise Unclassified Properties

Density, g/cm3 7.3
8.8
Embodied Carbon, kg CO2/kg material 14
30
Embodied Energy, MJ/kg 240
470

Common Calculations

Stiffness to Weight: Axial, points 4.0
5.2
Stiffness to Weight: Bending, points 17
17
Strength to Weight: Axial, points 2.0
5.4
Strength to Weight: Bending, points 4.3
7.8
Thermal Shock Resistance, points 3.3
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), % 2.8 to 3.2
0
Cadmium (Cd), % 0 to 0.0020
19 to 21
Copper (Cu), % 0 to 0.050
26 to 28
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
29 to 31
Tin (Sn), % 87.8 to 89.7
0
Zinc (Zn), % 7.5 to 8.5
21 to 25
Residuals, % 0
0 to 0.15