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Solder Alloy 715 vs. C15900 Copper

Solder alloy 715 belongs to the otherwise unclassified metals classification, while C15900 copper belongs to the copper alloys. There are 22 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is solder alloy 715 and the bottom bar is C15900 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 51
110
Elongation at Break, % 21
6.5
Poisson's Ratio 0.36
0.34
Shear Modulus, GPa 19
43
Tensile Strength: Ultimate (UTS), MPa 30
720

Thermal Properties

Latent Heat of Fusion, J/g 61
210
Melting Completion (Liquidus), °C 220
1080
Melting Onset (Solidus), °C 220
1030
Specific Heat Capacity, J/kg-K 220
390
Thermal Conductivity, W/m-K 60
280
Thermal Expansion, µm/m-K 22
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
48
Electrical Conductivity: Equal Weight (Specific), % IACS 15
49

Otherwise Unclassified Properties

Density, g/cm3 7.3
8.8
Embodied Carbon, kg CO2/kg material 16
2.8
Embodied Energy, MJ/kg 270
45

Common Calculations

Stiffness to Weight: Axial, points 3.8
7.2
Stiffness to Weight: Bending, points 17
18
Strength to Weight: Axial, points 1.1
23
Strength to Weight: Bending, points 2.9
20
Thermal Diffusivity, mm2/s 37
80
Thermal Shock Resistance, points 1.9
26

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0.76 to 0.84
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
0.27 to 0.33
Copper (Cu), % 0.5 to 0.9
97.5 to 97.9
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0 to 0.040
Lead (Pb), % 0 to 0.070
0
Nickel (Ni), % 0 to 0.010
0
Oxygen (O), % 0
0.4 to 0.54
Silver (Ag), % 0.8 to 1.2
0
Tin (Sn), % 97.4 to 98.7
0
Titanium (Ti), % 0
0.66 to 0.74
Zinc (Zn), % 0 to 0.0010
0