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Solder Alloy 704 vs. C97400 Nickel Silver

Solder alloy 704 belongs to the otherwise unclassified metals classification, while C97400 nickel silver 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 C97400 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 14
70
Elastic (Young's, Tensile) Modulus, GPa 51
120
Elongation at Break, % 30
20
Poisson's Ratio 0.36
0.33
Shear Modulus, GPa 19
44
Tensile Strength: Ultimate (UTS), MPa 55
260

Thermal Properties

Latent Heat of Fusion, J/g 62
190
Melting Completion (Liquidus), °C 240
1100
Melting Onset (Solidus), °C 220
1070
Specific Heat Capacity, J/kg-K 220
380
Thermal Conductivity, W/m-K 50
27
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
8.6
Embodied Carbon, kg CO2/kg material 19
4.1
Embodied Energy, MJ/kg 320
64

Common Calculations

Stiffness to Weight: Axial, points 3.8
7.5
Stiffness to Weight: Bending, points 17
19
Strength to Weight: Axial, points 2.1
8.5
Strength to Weight: Bending, points 4.3
11
Thermal Diffusivity, mm2/s 30
8.3
Thermal Shock Resistance, points 3.5
8.8

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
58 to 61
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0 to 1.5
Lead (Pb), % 0 to 0.070
4.5 to 5.5
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 0 to 0.010
15.5 to 17
Silver (Ag), % 4.8 to 5.2
0
Tin (Sn), % 94.3 to 95.2
2.5 to 3.5
Zinc (Zn), % 0 to 0.0010
10 to 19.5
Residuals, % 0
0 to 1.0