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Solder Alloy 704 vs. C75200 Nickel Silver

Solder alloy 704 belongs to the otherwise unclassified metals classification, while C75200 nickel silver belongs to the copper alloys. There are 21 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 704 and the bottom bar is C75200 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 51
120
Poisson's Ratio 0.36
0.32
Shear Modulus, GPa 19
47
Tensile Strength: Ultimate (UTS), MPa 55
400 to 660

Thermal Properties

Latent Heat of Fusion, J/g 62
210
Melting Completion (Liquidus), °C 240
1110
Melting Onset (Solidus), °C 220
1070
Specific Heat Capacity, J/kg-K 220
400
Thermal Conductivity, W/m-K 50
33
Thermal Expansion, µm/m-K 22
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
6.0
Electrical Conductivity: Equal Weight (Specific), % IACS 15
6.3

Otherwise Unclassified Properties

Density, g/cm3 7.5
8.5
Embodied Carbon, kg CO2/kg material 19
4.1
Embodied Energy, MJ/kg 320
62

Common Calculations

Stiffness to Weight: Axial, points 3.8
8.0
Stiffness to Weight: Bending, points 17
19
Strength to Weight: Axial, points 2.1
13 to 21
Strength to Weight: Bending, points 4.3
14 to 20
Thermal Diffusivity, mm2/s 30
9.8
Thermal Shock Resistance, points 3.5
13 to 22

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), % 0 to 0.050
63.5 to 66.5
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0 to 0.25
Lead (Pb), % 0 to 0.070
0 to 0.050
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 0 to 0.010
16.5 to 19.5
Silver (Ag), % 4.8 to 5.2
0
Tin (Sn), % 94.3 to 95.2
0
Zinc (Zn), % 0 to 0.0010
12.7 to 20
Residuals, % 0
0 to 0.5