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Solder Alloy 704 vs. C96300 Copper-nickel

Solder alloy 704 belongs to the otherwise unclassified metals classification, while C96300 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 C96300 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 14
150
Elastic (Young's, Tensile) Modulus, GPa 51
130
Elongation at Break, % 30
11
Poisson's Ratio 0.36
0.33
Shear Modulus, GPa 19
49
Tensile Strength: Ultimate (UTS), MPa 55
580

Thermal Properties

Latent Heat of Fusion, J/g 62
230
Melting Completion (Liquidus), °C 240
1200
Melting Onset (Solidus), °C 220
1150
Specific Heat Capacity, J/kg-K 220
400
Thermal Conductivity, W/m-K 50
37
Thermal Expansion, µm/m-K 22
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
6.0
Electrical Conductivity: Equal Weight (Specific), % IACS 15
6.1

Otherwise Unclassified Properties

Density, g/cm3 7.5
8.9
Embodied Carbon, kg CO2/kg material 19
5.1
Embodied Energy, MJ/kg 320
76

Common Calculations

Stiffness to Weight: Axial, points 3.8
8.2
Stiffness to Weight: Bending, points 17
19
Strength to Weight: Axial, points 2.1
18
Strength to Weight: Bending, points 4.3
17
Thermal Diffusivity, mm2/s 30
10
Thermal Shock Resistance, points 3.5
20

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
Carbon (C), % 0
0 to 0.15
Copper (Cu), % 0 to 0.050
72.3 to 80.8
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
Manganese (Mn), % 0
0.25 to 1.5
Nickel (Ni), % 0 to 0.010
18 to 22
Niobium (Nb), % 0
0.5 to 1.5
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0
0 to 0.5
Silver (Ag), % 4.8 to 5.2
0
Sulfur (S), % 0
0 to 0.020
Tin (Sn), % 94.3 to 95.2
0
Zinc (Zn), % 0 to 0.0010
0
Residuals, % 0
0 to 0.5