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Solder Alloy 135 vs. 60Pd-40Ag Alloy

Both solder alloy 135 and 60Pd-40Ag alloy are otherwise unclassified metals. There are 20 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 solder alloy 135 and the bottom bar is 60Pd-40Ag alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 27
100
Elongation at Break, % 20
1.1 to 28
Poisson's Ratio 0.41
0.38
Shear Modulus, GPa 9.5
37
Tensile Strength: Ultimate (UTS), MPa 35
340 to 720

Thermal Properties

Latent Heat of Fusion, J/g 36
140
Melting Completion (Liquidus), °C 250
1360
Melting Onset (Solidus), °C 190
1310
Specific Heat Capacity, J/kg-K 160
240
Thermal Conductivity, W/m-K 42
29
Thermal Expansion, µm/m-K 27
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.5
4.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
3.2

Otherwise Unclassified Properties

Density, g/cm3 10
11

Common Calculations

Stiffness to Weight: Axial, points 1.5
4.9
Stiffness to Weight: Bending, points 9.9
14
Strength to Weight: Axial, points 1.0
8.4 to 18
Strength to Weight: Bending, points 2.4
9.6 to 16
Thermal Diffusivity, mm2/s 27
11
Thermal Shock Resistance, points 3.5
16 to 34

Alloy Composition


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Aluminum (Al), % 0 to 0.0010
0
Antimony (Sb), % 0.5 to 1.8
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.25
0
Cadmium (Cd), % 0 to 0.0050
0
Copper (Cu), % 0 to 0.080
0 to 0.1
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0
Lead (Pb), % 67.1 to 70
0
Nickel (Ni), % 0 to 0.010
0
Palladium (Pd), % 0
59.5 to 60.9
Silver (Ag), % 0 to 0.1
39.1 to 40.5
Tin (Sn), % 29.5 to 30.5
0
Zinc (Zn), % 0 to 0.0010
0
Residuals, % 0
0 to 0.3