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Solder Alloy 704 vs. Nickel 908

Solder alloy 704 belongs to the otherwise unclassified metals classification, while nickel 908 belongs to the nickel alloys. There are 20 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is solder alloy 704 and the bottom bar is nickel 908.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 51
180
Elongation at Break, % 30
11
Poisson's Ratio 0.36
0.3
Shear Modulus, GPa 19
70
Tensile Strength: Ultimate (UTS), MPa 55
1340

Thermal Properties

Latent Heat of Fusion, J/g 62
290
Melting Completion (Liquidus), °C 240
1430
Melting Onset (Solidus), °C 220
1380
Specific Heat Capacity, J/kg-K 220
460
Thermal Conductivity, W/m-K 50
11
Thermal Expansion, µm/m-K 22
8.6

Otherwise Unclassified Properties

Density, g/cm3 7.5
8.3
Embodied Carbon, kg CO2/kg material 19
9.3
Embodied Energy, MJ/kg 320
140

Common Calculations

Stiffness to Weight: Axial, points 3.8
12
Stiffness to Weight: Bending, points 17
23
Strength to Weight: Axial, points 2.1
45
Strength to Weight: Bending, points 4.3
33
Thermal Diffusivity, mm2/s 30
2.9
Thermal Shock Resistance, points 3.5
61

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0.75 to 1.3
Antimony (Sb), % 0 to 0.1
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.1
0
Boron (B), % 0
0 to 0.012
Cadmium (Cd), % 0 to 0.0020
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
3.8 to 4.5
Cobalt (Co), % 0
0 to 0.5
Copper (Cu), % 0 to 0.050
0 to 0.5
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
35.6 to 44.6
Lead (Pb), % 0 to 0.070
0
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0 to 0.010
47 to 51
Niobium (Nb), % 0
2.7 to 3.3
Phosphorus (P), % 0
0 to 0.015
Silicon (Si), % 0
0 to 0.5
Silver (Ag), % 4.8 to 5.2
0
Sulfur (S), % 0
0 to 0.0050
Tin (Sn), % 94.3 to 95.2
0
Titanium (Ti), % 0
1.2 to 1.8
Zinc (Zn), % 0 to 0.0010
0