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Solder Alloy 141 vs. C70700 Copper-nickel

Solder alloy 141 belongs to the otherwise unclassified metals classification, while C70700 copper-nickel 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 C70700 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 37
120
Elongation at Break, % 39
39
Poisson's Ratio 0.39
0.34
Shear Modulus, GPa 13
46
Tensile Strength: Ultimate (UTS), MPa 54
320

Thermal Properties

Latent Heat of Fusion, J/g 46
220
Melting Completion (Liquidus), °C 190
1120
Melting Onset (Solidus), °C 180
1060
Specific Heat Capacity, J/kg-K 180
390
Thermal Conductivity, W/m-K 48
59
Thermal Expansion, µm/m-K 24
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
11
Electrical Conductivity: Equal Weight (Specific), % IACS 10
12

Otherwise Unclassified Properties

Density, g/cm3 8.9
8.9
Embodied Carbon, kg CO2/kg material 11
3.4
Embodied Energy, MJ/kg 180
52
Embodied Water, L/kg 970
300

Common Calculations

Stiffness to Weight: Axial, points 2.3
7.6
Stiffness to Weight: Bending, points 13
19
Strength to Weight: Axial, points 1.7
10
Strength to Weight: Bending, points 3.6
12
Thermal Diffusivity, mm2/s 29
17
Thermal Shock Resistance, points 4.3
12

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0
Antimony (Sb), % 0 to 0.2
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 2.0 to 3.0
0
Cadmium (Cd), % 0 to 0.0020
0
Copper (Cu), % 0 to 0.080
88.5 to 90.5
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0 to 0.050
Lead (Pb), % 35.9 to 38.5
0
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 0 to 0.010
9.5 to 10.5
Silver (Ag), % 0 to 0.1
0
Tin (Sn), % 59.5 to 60.5
0
Zinc (Zn), % 0 to 0.0010
0
Residuals, % 0
0 to 0.5