MakeItFrom.com
Menu (ESC)

Solder Alloy 402 vs. C78200 Nickel Silver

Solder alloy 402 belongs to the otherwise unclassified metals classification, while C78200 nickel silver belongs to the copper alloys. There are 23 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is solder alloy 402 and the bottom bar is C78200 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 52
110
Elongation at Break, % 20
3.0 to 40
Poisson's Ratio 0.36
0.32
Shear Modulus, GPa 19
43
Tensile Strength: Ultimate (UTS), MPa 57
370 to 630

Thermal Properties

Latent Heat of Fusion, J/g 64
190
Melting Completion (Liquidus), °C 310
1000
Melting Onset (Solidus), °C 230
970
Specific Heat Capacity, J/kg-K 230
390
Thermal Conductivity, W/m-K 61
48
Thermal Expansion, µm/m-K 22
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
11
Electrical Conductivity: Equal Weight (Specific), % IACS 18
12

Otherwise Unclassified Properties

Density, g/cm3 7.3
8.4
Embodied Carbon, kg CO2/kg material 15
3.3
Embodied Energy, MJ/kg 250
52
Embodied Water, L/kg 1180
310

Common Calculations

Stiffness to Weight: Axial, points 3.9
7.4
Stiffness to Weight: Bending, points 17
19
Strength to Weight: Axial, points 2.2
12 to 21
Strength to Weight: Bending, points 4.5
14 to 19
Thermal Diffusivity, mm2/s 37
15
Thermal Shock Resistance, points 3.6
12 to 21

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), % 2.5 to 3.5
63 to 67
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0 to 0.35
Lead (Pb), % 0 to 0.070
1.5 to 2.5
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 0 to 0.010
7.0 to 9.0
Silver (Ag), % 0 to 0.1
0
Tin (Sn), % 95.9 to 97.5
0
Zinc (Zn), % 0 to 0.0010
20.2 to 28.5
Residuals, % 0
0 to 0.5