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Solder Alloy 401 vs. C15900 Copper

Solder alloy 401 belongs to the otherwise unclassified metals classification, while C15900 copper belongs to the copper alloys. There are 23 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is solder alloy 401 and the bottom bar is C15900 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 50
110
Elongation at Break, % 21
6.5
Poisson's Ratio 0.36
0.34
Shear Modulus, GPa 19
43
Tensile Strength: Ultimate (UTS), MPa 29
720

Thermal Properties

Latent Heat of Fusion, J/g 60
210
Melting Completion (Liquidus), °C 230
1080
Melting Onset (Solidus), °C 230
1030
Specific Heat Capacity, J/kg-K 220
390
Thermal Conductivity, W/m-K 66
280
Thermal Expansion, µm/m-K 22
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 14
48
Electrical Conductivity: Equal Weight (Specific), % IACS 17
49

Otherwise Unclassified Properties

Density, g/cm3 7.3
8.8
Embodied Carbon, kg CO2/kg material 15
2.8
Embodied Energy, MJ/kg 250
45
Embodied Water, L/kg 1200
310

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 40
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 to 0.1
0
Tin (Sn), % 98.5 to 99.5
0
Titanium (Ti), % 0
0.66 to 0.74
Zinc (Zn), % 0 to 0.0010
0