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Solder Alloy 141 vs. C18400 Copper

Solder alloy 141 belongs to the otherwise unclassified metals classification, while C18400 copper belongs to the copper alloys. There are 23 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is solder alloy 141 and the bottom bar is C18400 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 37
120
Elongation at Break, % 39
13 to 50
Poisson's Ratio 0.39
0.34
Shear Modulus, GPa 13
44
Tensile Strength: Ultimate (UTS), MPa 54
270 to 490

Thermal Properties

Latent Heat of Fusion, J/g 46
210
Melting Completion (Liquidus), °C 190
1080
Melting Onset (Solidus), °C 180
1070
Specific Heat Capacity, J/kg-K 180
390
Thermal Conductivity, W/m-K 48
320
Thermal Expansion, µm/m-K 24
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
80
Electrical Conductivity: Equal Weight (Specific), % IACS 10
81

Otherwise Unclassified Properties

Density, g/cm3 8.9
8.9
Embodied Carbon, kg CO2/kg material 11
2.6
Embodied Energy, MJ/kg 180
41
Embodied Water, L/kg 970
310

Common Calculations

Stiffness to Weight: Axial, points 2.3
7.3
Stiffness to Weight: Bending, points 13
18
Strength to Weight: Axial, points 1.7
8.5 to 15
Strength to Weight: Bending, points 3.6
10 to 16
Thermal Diffusivity, mm2/s 29
94
Thermal Shock Resistance, points 4.3
9.6 to 17

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0
Antimony (Sb), % 0 to 0.2
0
Arsenic (As), % 0 to 0.030
0 to 0.0050
Bismuth (Bi), % 2.0 to 3.0
0
Cadmium (Cd), % 0 to 0.0020
0
Calcium (Ca), % 0
0 to 0.0050
Chromium (Cr), % 0
0.4 to 1.2
Copper (Cu), % 0 to 0.080
97.2 to 99.6
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0 to 0.15
Lead (Pb), % 35.9 to 38.5
0
Lithium (Li), % 0
0 to 0.050
Nickel (Ni), % 0 to 0.010
0
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0
0 to 0.1
Silver (Ag), % 0 to 0.1
0
Tin (Sn), % 59.5 to 60.5
0
Zinc (Zn), % 0 to 0.0010
0 to 0.7
Residuals, % 0
0 to 0.5