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Solder Alloy 704 vs. CC382H Copper-nickel

Solder alloy 704 belongs to the otherwise unclassified metals classification, while CC382H copper-nickel belongs to the copper alloys. There are 23 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is solder alloy 704 and the bottom bar is CC382H copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 14
130
Elastic (Young's, Tensile) Modulus, GPa 51
140
Elongation at Break, % 30
20
Poisson's Ratio 0.36
0.33
Shear Modulus, GPa 19
53
Tensile Strength: Ultimate (UTS), MPa 55
490

Thermal Properties

Latent Heat of Fusion, J/g 62
240
Melting Completion (Liquidus), °C 240
1180
Melting Onset (Solidus), °C 220
1120
Specific Heat Capacity, J/kg-K 220
410
Thermal Conductivity, W/m-K 50
30
Thermal Expansion, µm/m-K 22
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
5.5
Electrical Conductivity: Equal Weight (Specific), % IACS 15
5.6

Otherwise Unclassified Properties

Density, g/cm3 7.5
8.9
Embodied Carbon, kg CO2/kg material 19
5.2
Embodied Energy, MJ/kg 320
76

Common Calculations

Stiffness to Weight: Axial, points 3.8
8.8
Stiffness to Weight: Bending, points 17
20
Strength to Weight: Axial, points 2.1
15
Strength to Weight: Bending, points 4.3
16
Thermal Diffusivity, mm2/s 30
8.2
Thermal Shock Resistance, points 3.5
16

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0 to 0.010
Antimony (Sb), % 0 to 0.1
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.1
0 to 0.0020
Boron (B), % 0
0 to 0.010
Cadmium (Cd), % 0 to 0.0020
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
1.5 to 2.0
Copper (Cu), % 0 to 0.050
62.8 to 68.4
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0.5 to 1.0
Lead (Pb), % 0 to 0.070
0 to 0.0050
Magnesium (Mg), % 0
0 to 0.010
Manganese (Mn), % 0
0.5 to 1.0
Nickel (Ni), % 0 to 0.010
29 to 32
Phosphorus (P), % 0
0 to 0.010
Selenium (Se), % 0
0 to 0.0050
Silicon (Si), % 0
0.15 to 0.5
Silver (Ag), % 4.8 to 5.2
0
Sulfur (S), % 0
0 to 0.010
Tellurium (Te), % 0
0 to 0.0050
Tin (Sn), % 94.3 to 95.2
0
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 0 to 0.0010
0 to 0.2
Zirconium (Zr), % 0
0 to 0.15