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Solder Alloy 704 vs. Nickel 80A

Solder alloy 704 belongs to the otherwise unclassified metals classification, while nickel 80A belongs to the nickel alloys. There are 22 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is solder alloy 704 and the bottom bar is nickel 80A.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 51
190
Elongation at Break, % 30
22
Poisson's Ratio 0.36
0.29
Shear Modulus, GPa 19
74
Tensile Strength: Ultimate (UTS), MPa 55
1040

Thermal Properties

Latent Heat of Fusion, J/g 62
320
Melting Completion (Liquidus), °C 240
1360
Melting Onset (Solidus), °C 220
1310
Specific Heat Capacity, J/kg-K 220
470
Thermal Conductivity, W/m-K 50
11
Thermal Expansion, µm/m-K 22
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 15
1.6

Otherwise Unclassified Properties

Density, g/cm3 7.5
8.3
Embodied Carbon, kg CO2/kg material 19
9.8
Embodied Energy, MJ/kg 320
140

Common Calculations

Stiffness to Weight: Axial, points 3.8
13
Stiffness to Weight: Bending, points 17
23
Strength to Weight: Axial, points 2.1
35
Strength to Weight: Bending, points 4.3
27
Thermal Diffusivity, mm2/s 30
2.9
Thermal Shock Resistance, points 3.5
31

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0.5 to 1.8
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 0.1
Chromium (Cr), % 0
18 to 21
Copper (Cu), % 0 to 0.050
0
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0 to 3.0
Lead (Pb), % 0 to 0.070
0
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0 to 0.010
69.4 to 79.7
Silicon (Si), % 0
0 to 1.0
Silver (Ag), % 4.8 to 5.2
0
Sulfur (S), % 0
0 to 0.015
Tin (Sn), % 94.3 to 95.2
0
Titanium (Ti), % 0
1.8 to 2.7
Zinc (Zn), % 0 to 0.0010
0