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ASTM B477 Au-Ni-Ag vs. Solder Alloy 161

Both ASTM B477 Au-Ni-Ag and solder alloy 161 are otherwise unclassified metals. There are 18 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 ASTM B477 Au-Ni-Ag and the bottom bar is solder alloy 161.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 95
38
Elongation at Break, % 5.5 to 11
44
Poisson's Ratio 0.41
0.39
Shear Modulus, GPa 34
14
Tensile Strength: Ultimate (UTS), MPa 310 to 550
53

Thermal Properties

Latent Heat of Fusion, J/g 80
48
Melting Completion (Liquidus), °C 1010
190
Melting Onset (Solidus), °C 930
180
Specific Heat Capacity, J/kg-K 160
190
Thermal Expansion, µm/m-K 15
25

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 14
11
Electrical Conductivity: Equal Weight (Specific), % IACS 7.5
11

Otherwise Unclassified Properties

Density, g/cm3 17
8.9

Common Calculations

Stiffness to Weight: Axial, points 3.1
2.4
Stiffness to Weight: Bending, points 8.9
13
Strength to Weight: Axial, points 5.0 to 9.0
1.7
Strength to Weight: Bending, points 6.0 to 8.8
3.5
Thermal Shock Resistance, points 16 to 28
4.1

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
1.2 to 1.6
Gold (Au), % 74.2 to 75.8
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 0
0 to 0.020
Lead (Pb), % 0
37.3 to 39.3
Nickel (Ni), % 2.6 to 3.4
0 to 0.010
Silver (Ag), % 21.4 to 22.6
0 to 0.1
Tin (Sn), % 0
59.5 to 60.5
Zinc (Zn), % 0
0 to 0.0010
Residuals, % 0 to 0.3
0