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Type 3 Magnetic Alloy vs. Solder Alloy 121

Type 3 magnetic alloy belongs to the nickel alloys classification, while solder alloy 121 belongs to the otherwise unclassified metals. There are 22 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is Type 3 magnetic alloy and the bottom bar is solder alloy 121.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
21
Elongation at Break, % 43
25
Poisson's Ratio 0.31
0.43
Shear Modulus, GPa 70
7.5
Tensile Strength: Ultimate (UTS), MPa 550
32

Thermal Properties

Latent Heat of Fusion, J/g 290
29
Melting Completion (Liquidus), °C 1370
290
Melting Onset (Solidus), °C 1320
230
Specific Heat Capacity, J/kg-K 450
140
Thermal Expansion, µm/m-K 12
28

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
8.8
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
7.4

Otherwise Unclassified Properties

Base Metal Price, % relative 55
80
Density, g/cm3 8.7
11
Embodied Carbon, kg CO2/kg material 8.7
5.6
Embodied Energy, MJ/kg 120
93
Embodied Water, L/kg 220
580

Common Calculations

Stiffness to Weight: Axial, points 12
1.1
Stiffness to Weight: Bending, points 22
8.6
Strength to Weight: Axial, points 18
0.84
Strength to Weight: Bending, points 17
2.1
Thermal Shock Resistance, points 18
3.9

Alloy Composition

Aluminum (Al), % 0
0 to 0.0010
Antimony (Sb), % 0
0 to 0.5
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0 to 0.25
Cadmium (Cd), % 0
0 to 0.0050
Carbon (C), % 0 to 0.050
0
Chromium (Cr), % 2.0 to 3.0
0
Cobalt (Co), % 0 to 0.5
0
Copper (Cu), % 4.0 to 6.0
0 to 0.080
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 9.9 to 19
0 to 0.020
Lead (Pb), % 0
83.4 to 85.5
Manganese (Mn), % 0 to 1.5
0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 75 to 78
0 to 0.010
Phosphorus (P), % 0 to 0.010
0
Silicon (Si), % 0 to 0.5
0
Silver (Ag), % 0
0 to 0.1
Sulfur (S), % 0 to 0.020
0
Tin (Sn), % 0
14.5 to 15.5
Zinc (Zn), % 0
0 to 0.0010