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Solder Alloy 704 vs. R60802 Alloy

Both solder alloy 704 and R60802 alloy are otherwise unclassified metals. There are 16 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is solder alloy 704 and the bottom bar is R60802 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 51
98
Elongation at Break, % 30
22
Poisson's Ratio 0.36
0.34
Shear Modulus, GPa 19
36
Tensile Strength: Ultimate (UTS), MPa 55
430

Thermal Properties

Latent Heat of Fusion, J/g 62
250
Specific Heat Capacity, J/kg-K 220
270
Thermal Conductivity, W/m-K 50
22
Thermal Expansion, µm/m-K 22
6.0

Otherwise Unclassified Properties

Density, g/cm3 7.5
6.5

Common Calculations

Stiffness to Weight: Axial, points 3.8
8.3
Stiffness to Weight: Bending, points 17
23
Strength to Weight: Axial, points 2.1
18
Strength to Weight: Bending, points 4.3
19
Thermal Diffusivity, mm2/s 30
12
Thermal Shock Resistance, points 3.5
53

Alloy Composition


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Aluminum (Al), % 0 to 0.0010
0
Antimony (Sb), % 0 to 0.1
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.1
0
Cadmium (Cd), % 0 to 0.0020
0
Chromium (Cr), % 0
0.050 to 0.15
Copper (Cu), % 0 to 0.050
0
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0.070 to 0.2
Lead (Pb), % 0 to 0.070
0
Nickel (Ni), % 0 to 0.010
0.030 to 0.080
Silver (Ag), % 4.8 to 5.2
0
Tin (Sn), % 94.3 to 95.2
1.2 to 1.7
Zinc (Zn), % 0 to 0.0010
0
Zirconium (Zr), % 0
97.8 to 98.7
Residuals, % 0
0 to 0.11