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Solder Alloy 121 vs. N06025 Nickel

Solder alloy 121 belongs to the otherwise unclassified metals classification, while N06025 nickel belongs to the nickel alloys. There are 24 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is solder alloy 121 and the bottom bar is N06025 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 21
200
Elongation at Break, % 25
32
Poisson's Ratio 0.43
0.28
Shear Modulus, GPa 7.5
76
Tensile Strength: Ultimate (UTS), MPa 32
760

Thermal Properties

Latent Heat of Fusion, J/g 29
320
Melting Completion (Liquidus), °C 290
1350
Melting Onset (Solidus), °C 230
1300
Specific Heat Capacity, J/kg-K 140
480
Thermal Conductivity, W/m-K 31
11
Thermal Expansion, µm/m-K 28
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.8
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 7.4
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 80
50
Density, g/cm3 11
8.2
Embodied Carbon, kg CO2/kg material 5.6
8.4
Embodied Energy, MJ/kg 93
120
Embodied Water, L/kg 580
290

Common Calculations

Stiffness to Weight: Axial, points 1.1
13
Stiffness to Weight: Bending, points 8.6
24
Strength to Weight: Axial, points 0.84
26
Strength to Weight: Bending, points 2.1
22
Thermal Diffusivity, mm2/s 20
2.9
Thermal Shock Resistance, points 3.9
21

Alloy Composition

Aluminum (Al), % 0 to 0.0010
1.8 to 2.4
Antimony (Sb), % 0 to 0.5
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.25
0
Cadmium (Cd), % 0 to 0.0050
0
Carbon (C), % 0
0.15 to 0.25
Chromium (Cr), % 0
24 to 26
Copper (Cu), % 0 to 0.080
0 to 0.1
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
8.0 to 11
Lead (Pb), % 83.4 to 85.5
0
Manganese (Mn), % 0
0 to 0.15
Nickel (Ni), % 0 to 0.010
59.2 to 65.9
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0
0 to 0.5
Silver (Ag), % 0 to 0.1
0
Sulfur (S), % 0
0 to 0.010
Tin (Sn), % 14.5 to 15.5
0
Titanium (Ti), % 0
0.1 to 0.2
Yttrium (Y), % 0
0.050 to 0.12
Zinc (Zn), % 0 to 0.0010
0.010 to 0.1