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Solder Alloy 703 vs. R60901 Alloy

Both solder alloy 703 and R60901 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 703 and the bottom bar is R60901 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 51
98
Elongation at Break, % 35
17 to 22
Poisson's Ratio 0.36
0.34
Shear Modulus, GPa 19
37
Tensile Strength: Ultimate (UTS), MPa 57
500 to 580

Thermal Properties

Latent Heat of Fusion, J/g 61
250
Specific Heat Capacity, J/kg-K 220
270
Thermal Conductivity, W/m-K 55
17
Thermal Expansion, µm/m-K 22
6.3

Otherwise Unclassified Properties

Density, g/cm3 7.4
6.6

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
21 to 25
Strength to Weight: Bending, points 4.4
21 to 24
Thermal Diffusivity, mm2/s 33
9.7
Thermal Shock Resistance, points 3.7
58 to 67

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
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
Lead (Pb), % 0 to 0.070
0
Nickel (Ni), % 0 to 0.010
0
Niobium (Nb), % 0
2.4 to 2.8
Silver (Ag), % 3.3 to 3.7
0
Tin (Sn), % 95.8 to 96.7
0
Zinc (Zn), % 0 to 0.0010
0
Zirconium (Zr), % 0
96.8 to 97.5
Residuals, % 0
0 to 0.29