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Solder Alloy 402 vs. C70600 Copper-nickel

Solder alloy 402 belongs to the otherwise unclassified metals classification, while C70600 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 402 and the bottom bar is C70600 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 52
120
Elongation at Break, % 20
3.0 to 34
Poisson's Ratio 0.36
0.34
Shear Modulus, GPa 19
46
Tensile Strength: Ultimate (UTS), MPa 57
290 to 570

Thermal Properties

Latent Heat of Fusion, J/g 64
220
Melting Completion (Liquidus), °C 310
1150
Melting Onset (Solidus), °C 230
1100
Specific Heat Capacity, J/kg-K 230
390
Thermal Conductivity, W/m-K 61
44
Thermal Expansion, µm/m-K 22
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
9.8
Electrical Conductivity: Equal Weight (Specific), % IACS 18
9.9

Otherwise Unclassified Properties

Density, g/cm3 7.3
8.9
Embodied Carbon, kg CO2/kg material 15
3.4
Embodied Energy, MJ/kg 250
51
Embodied Water, L/kg 1180
300

Common Calculations

Stiffness to Weight: Axial, points 3.9
7.7
Stiffness to Weight: Bending, points 17
19
Strength to Weight: Axial, points 2.2
9.1 to 18
Strength to Weight: Bending, points 4.5
11 to 17
Thermal Diffusivity, mm2/s 37
13
Thermal Shock Resistance, points 3.6
9.8 to 19

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
Copper (Cu), % 2.5 to 3.5
84.7 to 90
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
1.0 to 1.8
Lead (Pb), % 0 to 0.070
0 to 0.050
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0 to 0.010
9.0 to 11
Silver (Ag), % 0 to 0.1
0
Tin (Sn), % 95.9 to 97.5
0
Zinc (Zn), % 0 to 0.0010
0 to 1.0
Residuals, % 0
0 to 0.5