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Type 3 Magnetic Alloy vs. R30075 Cobalt

Type 3 magnetic alloy belongs to the nickel alloys classification, while R30075 cobalt belongs to the cobalt alloys. There are 25 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 Type 3 magnetic alloy and the bottom bar is R30075 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
210 to 250
Elongation at Break, % 43
12
Fatigue Strength, MPa 170
250 to 840
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 70
82 to 98
Tensile Strength: Ultimate (UTS), MPa 550
780 to 1280
Tensile Strength: Yield (Proof), MPa 210
480 to 840

Thermal Properties

Latent Heat of Fusion, J/g 290
320
Melting Completion (Liquidus), °C 1370
1360
Melting Onset (Solidus), °C 1320
1290
Specific Heat Capacity, J/kg-K 450
450
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
2.1

Otherwise Unclassified Properties

Density, g/cm3 8.7
8.4
Embodied Carbon, kg CO2/kg material 8.7
8.1
Embodied Energy, MJ/kg 120
110
Embodied Water, L/kg 220
530

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
84 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 120
560 to 1410
Stiffness to Weight: Axial, points 12
14 to 17
Stiffness to Weight: Bending, points 22
24 to 25
Strength to Weight: Axial, points 18
26 to 42
Strength to Weight: Bending, points 17
22 to 31
Thermal Shock Resistance, points 18
21 to 29

Alloy Composition

Aluminum (Al), % 0
0 to 0.1
Boron (B), % 0
0 to 0.010
Carbon (C), % 0 to 0.050
0 to 0.35
Chromium (Cr), % 2.0 to 3.0
27 to 30
Cobalt (Co), % 0 to 0.5
58.7 to 68
Copper (Cu), % 4.0 to 6.0
0
Iron (Fe), % 9.9 to 19
0 to 0.75
Manganese (Mn), % 0 to 1.5
0 to 1.0
Molybdenum (Mo), % 0 to 0.5
5.0 to 7.0
Nickel (Ni), % 75 to 78
0 to 0.5
Nitrogen (N), % 0
0 to 0.25
Phosphorus (P), % 0 to 0.010
0 to 0.020
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.010
Titanium (Ti), % 0
0 to 0.1
Tungsten (W), % 0
0 to 0.2