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Solder Alloy 201 vs. Type 2 Magnetic Alloy

Solder alloy 201 belongs to the otherwise unclassified metals classification, while Type 2 magnetic alloy belongs to the iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is solder alloy 201 and the bottom bar is Type 2 magnetic alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 50
190
Elongation at Break, % 38
2.0 to 38
Poisson's Ratio 0.35
0.3
Shear Modulus, GPa 19
72
Tensile Strength: Ultimate (UTS), MPa 41
510 to 910

Thermal Properties

Latent Heat of Fusion, J/g 64
270
Melting Completion (Liquidus), °C 240
1420
Melting Onset (Solidus), °C 240
1370
Specific Heat Capacity, J/kg-K 220
460
Thermal Expansion, µm/m-K 21
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
3.9
Electrical Conductivity: Equal Weight (Specific), % IACS 15
4.2

Otherwise Unclassified Properties

Density, g/cm3 7.3
8.4
Embodied Carbon, kg CO2/kg material 15
5.9
Embodied Energy, MJ/kg 250
81
Embodied Water, L/kg 1320
140

Common Calculations

Stiffness to Weight: Axial, points 3.8
12
Stiffness to Weight: Bending, points 17
23
Strength to Weight: Axial, points 1.6
17 to 30
Strength to Weight: Bending, points 3.6
17 to 25
Thermal Shock Resistance, points 2.7
16 to 29

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0
Antimony (Sb), % 4.5 to 5.5
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.1
0
Cadmium (Cd), % 0 to 0.0020
0
Carbon (C), % 0
0 to 0.050
Chromium (Cr), % 0
0 to 0.3
Cobalt (Co), % 0
0 to 0.5
Copper (Cu), % 0 to 0.050
0 to 0.3
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
48.2 to 53
Lead (Pb), % 0 to 0.070
0
Manganese (Mn), % 0
0 to 0.8
Molybdenum (Mo), % 0
0 to 0.3
Nickel (Ni), % 0 to 0.010
47 to 49
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0
0 to 0.5
Silver (Ag), % 0 to 0.1
0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 94 to 95.5
0
Zinc (Zn), % 0 to 0.0010
0