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Solder Alloy 121 vs. Nickel 30

Solder alloy 121 belongs to the otherwise unclassified metals classification, while nickel 30 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 nickel 30.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 21
210
Elongation at Break, % 25
34
Poisson's Ratio 0.43
0.28
Shear Modulus, GPa 7.5
82
Tensile Strength: Ultimate (UTS), MPa 32
660

Thermal Properties

Latent Heat of Fusion, J/g 29
320
Melting Completion (Liquidus), °C 290
1480
Melting Onset (Solidus), °C 230
1430
Specific Heat Capacity, J/kg-K 140
450
Thermal Conductivity, W/m-K 31
10
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
60
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
290

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 Diffusivity, mm2/s 20
2.7
Thermal Shock Resistance, points 3.9
18

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
28 to 31.5
Cobalt (Co), % 0
0 to 5.0
Copper (Cu), % 0 to 0.080
1.0 to 2.4
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
13 to 17
Lead (Pb), % 83.4 to 85.5
0
Manganese (Mn), % 0
0 to 0.030
Molybdenum (Mo), % 0
4.0 to 6.0
Nickel (Ni), % 0 to 0.010
30.2 to 52.2
Niobium (Nb), % 0
0.3 to 1.5
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 0.8
Silver (Ag), % 0 to 0.1
0
Sulfur (S), % 0
0 to 0.020
Tin (Sn), % 14.5 to 15.5
0
Tungsten (W), % 0
1.5 to 4.0
Zinc (Zn), % 0 to 0.0010
0