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Solder Alloy 121 vs. N06255 Nickel

Solder alloy 121 belongs to the otherwise unclassified metals classification, while N06255 nickel belongs to the nickel alloys. There are 20 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is solder alloy 121 and the bottom bar is N06255 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 21
210
Elongation at Break, % 25
45
Poisson's Ratio 0.43
0.28
Shear Modulus, GPa 7.5
81
Tensile Strength: Ultimate (UTS), MPa 32
660

Thermal Properties

Latent Heat of Fusion, J/g 29
320
Melting Completion (Liquidus), °C 290
1470
Melting Onset (Solidus), °C 230
1420
Specific Heat Capacity, J/kg-K 140
450
Thermal Expansion, µm/m-K 28
13

Otherwise Unclassified Properties

Base Metal Price, % relative 80
55
Density, g/cm3 11
8.5
Embodied Carbon, kg CO2/kg material 5.6
9.4
Embodied Energy, MJ/kg 93
130
Embodied Water, L/kg 580
270

Common Calculations

Stiffness to Weight: Axial, points 1.1
14
Stiffness to Weight: Bending, points 8.6
23
Strength to Weight: Axial, points 0.84
22
Strength to Weight: Bending, points 2.1
20
Thermal Shock Resistance, points 3.9
17

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0
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 to 0.030
Chromium (Cr), % 0
23 to 26
Copper (Cu), % 0 to 0.080
0 to 1.2
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
6.0 to 24
Lead (Pb), % 83.4 to 85.5
0
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
6.0 to 9.0
Nickel (Ni), % 0 to 0.010
47 to 52
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 1.0
Silver (Ag), % 0 to 0.1
0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 14.5 to 15.5
0
Titanium (Ti), % 0
0 to 0.69
Tungsten (W), % 0
0 to 3.0
Zinc (Zn), % 0 to 0.0010
0