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Commercially Pure Silver vs. Solder Alloy 181

Both commercially pure silver and solder alloy 181 are otherwise unclassified metals. There are 20 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is commercially pure silver and the bottom bar is solder alloy 181.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
18
Elongation at Break, % 1.1 to 29
41
Poisson's Ratio 0.37
0.44
Shear Modulus, GPa 26
6.1
Tensile Strength: Ultimate (UTS), MPa 190 to 340
27

Thermal Properties

Latent Heat of Fusion, J/g 110
26
Melting Completion (Liquidus), °C 960
310
Melting Onset (Solidus), °C 960
300
Specific Heat Capacity, J/kg-K 240
130
Thermal Conductivity, W/m-K 420
24
Thermal Expansion, µm/m-K 20
29

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
9.3
Electrical Conductivity: Equal Weight (Specific), % IACS 87
7.4

Otherwise Unclassified Properties

Density, g/cm3 10
11

Common Calculations

Stiffness to Weight: Axial, points 3.8
0.86
Stiffness to Weight: Bending, points 13
7.7
Strength to Weight: Axial, points 4.9 to 8.9
0.66
Strength to Weight: Bending, points 6.9 to 10
1.8
Thermal Diffusivity, mm2/s 170
16
Thermal Shock Resistance, points 9.5 to 17
3.8

Alloy Composition

Aluminum (Al), % 0
0 to 0.0010
Antimony (Sb), % 0
0 to 0.2
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0 to 0.1
Cadmium (Cd), % 0
0 to 0.0020
Copper (Cu), % 0
0 to 0.080
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 0
0 to 0.020
Lead (Pb), % 0
96.2 to 98
Nickel (Ni), % 0
0 to 0.010
Silver (Ag), % 99.9 to 100
2.0 to 3.0
Tin (Sn), % 0
0 to 0.25
Zinc (Zn), % 0
0 to 0.0010
Residuals, % 0 to 0.1
0