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Solder Alloy 703 vs. CC383H Copper-nickel

Solder alloy 703 belongs to the otherwise unclassified metals classification, while CC383H 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 703 and the bottom bar is CC383H copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 15
130
Elastic (Young's, Tensile) Modulus, GPa 51
140
Elongation at Break, % 35
20
Poisson's Ratio 0.36
0.33
Shear Modulus, GPa 19
52
Tensile Strength: Ultimate (UTS), MPa 57
490

Thermal Properties

Latent Heat of Fusion, J/g 61
240
Melting Completion (Liquidus), °C 220
1180
Melting Onset (Solidus), °C 220
1130
Specific Heat Capacity, J/kg-K 220
410
Thermal Conductivity, W/m-K 55
29
Thermal Expansion, µm/m-K 22
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 14
5.2
Electrical Conductivity: Equal Weight (Specific), % IACS 17
5.3

Otherwise Unclassified Properties

Density, g/cm3 7.4
8.9
Embodied Carbon, kg CO2/kg material 18
5.7
Embodied Energy, MJ/kg 300
83

Common Calculations

Stiffness to Weight: Axial, points 3.8
8.6
Stiffness to Weight: Bending, points 17
19
Strength to Weight: Axial, points 2.1
15
Strength to Weight: Bending, points 4.4
16
Thermal Diffusivity, mm2/s 33
8.1
Thermal Shock Resistance, points 3.7
17

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 0.010
Boron (B), % 0
0 to 0.010
Cadmium (Cd), % 0 to 0.0020
0 to 0.020
Carbon (C), % 0
0 to 0.030
Copper (Cu), % 0 to 0.050
64 to 69.1
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0.5 to 1.5
Lead (Pb), % 0 to 0.070
0 to 0.010
Magnesium (Mg), % 0
0 to 0.010
Manganese (Mn), % 0
0.6 to 1.2
Nickel (Ni), % 0 to 0.010
29 to 31
Niobium (Nb), % 0
0.5 to 1.0
Phosphorus (P), % 0
0 to 0.010
Selenium (Se), % 0
0 to 0.010
Silicon (Si), % 0
0.3 to 0.7
Silver (Ag), % 3.3 to 3.7
0
Sulfur (S), % 0
0 to 0.010
Tellurium (Te), % 0
0 to 0.010
Tin (Sn), % 95.8 to 96.7
0
Zinc (Zn), % 0 to 0.0010
0 to 0.5