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Solder Alloy 702 vs. R05240 Alloy

Both solder alloy 702 and R05240 alloy are otherwise unclassified metals. There are 14 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is solder alloy 702 and the bottom bar is R05240 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 51
150
Elongation at Break, % 21
25
Poisson's Ratio 0.36
0.36
Shear Modulus, GPa 19
57
Tensile Strength: Ultimate (UTS), MPa 53
270

Thermal Properties

Latent Heat of Fusion, J/g 61
210
Specific Heat Capacity, J/kg-K 220
190
Thermal Expansion, µm/m-K 22
6.8

Otherwise Unclassified Properties

Density, g/cm3 7.4
14

Common Calculations

Stiffness to Weight: Axial, points 3.8
6.3
Stiffness to Weight: Bending, points 17
13
Strength to Weight: Axial, points 2.0
5.4
Strength to Weight: Bending, points 4.2
6.8
Thermal Shock Resistance, points 3.4
18

Alloy Composition

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
Carbon (C), % 0
0 to 0.010
Copper (Cu), % 0 to 0.050
0
Gold (Au), % 0 to 0.050
0
Hydrogen (H), % 0
0 to 0.0015
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0 to 0.010
Lead (Pb), % 0 to 0.070
0
Molybdenum (Mo), % 0
0 to 0.020
Nickel (Ni), % 0 to 0.010
0 to 0.010
Niobium (Nb), % 0
35 to 42
Nitrogen (N), % 0
0 to 0.010
Oxygen (O), % 0
0 to 0.020
Silicon (Si), % 0
0 to 0.0050
Silver (Ag), % 2.8 to 3.2
0
Tantalum (Ta), % 0
57.9 to 65
Tin (Sn), % 96.3 to 97.2
0
Titanium (Ti), % 0
0 to 0.010
Tungsten (W), % 0
0 to 0.050
Zinc (Zn), % 0 to 0.0010
0