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Nickel 684 vs. Solder Alloy 704

Nickel 684 belongs to the nickel alloys classification, while solder alloy 704 belongs to the otherwise unclassified metals. There are 19 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is nickel 684 and the bottom bar is solder alloy 704.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 310
14
Elastic (Young's, Tensile) Modulus, GPa 200
51
Elongation at Break, % 11
30
Poisson's Ratio 0.29
0.36
Shear Modulus, GPa 76
19
Tensile Strength: Ultimate (UTS), MPa 1190
55

Thermal Properties

Latent Heat of Fusion, J/g 320
62
Melting Completion (Liquidus), °C 1370
240
Melting Onset (Solidus), °C 1320
220
Specific Heat Capacity, J/kg-K 470
220
Thermal Expansion, µm/m-K 13
22

Otherwise Unclassified Properties

Density, g/cm3 8.3
7.5
Embodied Carbon, kg CO2/kg material 10
19
Embodied Energy, MJ/kg 140
320

Common Calculations

Stiffness to Weight: Axial, points 13
3.8
Stiffness to Weight: Bending, points 23
17
Strength to Weight: Axial, points 40
2.1
Strength to Weight: Bending, points 30
4.3
Thermal Shock Resistance, points 34
3.5

Alloy Composition

Aluminum (Al), % 2.5 to 3.3
0 to 0.0010
Antimony (Sb), % 0
0 to 0.1
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0 to 0.1
Boron (B), % 0.0030 to 0.010
0
Cadmium (Cd), % 0
0 to 0.0020
Carbon (C), % 0 to 0.15
0
Chromium (Cr), % 15 to 20
0
Cobalt (Co), % 13 to 20
0
Copper (Cu), % 0 to 0.15
0 to 0.050
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 0 to 4.0
0 to 0.020
Lead (Pb), % 0
0 to 0.070
Manganese (Mn), % 0 to 0.75
0
Molybdenum (Mo), % 3.0 to 5.0
0
Nickel (Ni), % 42.7 to 64
0 to 0.010
Phosphorus (P), % 0 to 0.015
0
Silicon (Si), % 0 to 0.75
0
Silver (Ag), % 0
4.8 to 5.2
Sulfur (S), % 0 to 0.015
0
Tin (Sn), % 0
94.3 to 95.2
Titanium (Ti), % 2.5 to 3.3
0
Zinc (Zn), % 0
0 to 0.0010